diff options
468 files changed, 3686 insertions, 2059 deletions
diff --git a/Documentation/Changes b/Documentation/Changes index 2254db0..227bec8 100644 --- a/Documentation/Changes +++ b/Documentation/Changes @@ -280,12 +280,9 @@ that is possible. mcelog ------ -In Linux 2.6.31+ the i386 kernel needs to run the mcelog utility -as a regular cronjob similar to the x86-64 kernel to process and log -machine check events when CONFIG_X86_NEW_MCE is enabled. Machine check -events are errors reported by the CPU. Processing them is strongly encouraged. -All x86-64 kernels since 2.6.4 require the mcelog utility to -process machine checks. +On x86 kernels the mcelog utility is needed to process and log machine check +events when CONFIG_X86_MCE is enabled. Machine check events are errors reported +by the CPU. Processing them is strongly encouraged. Getting updated software ======================== diff --git a/Documentation/DocBook/gadget.tmpl b/Documentation/DocBook/gadget.tmpl index 4017f14..2c425d7 100644 --- a/Documentation/DocBook/gadget.tmpl +++ b/Documentation/DocBook/gadget.tmpl @@ -708,7 +708,7 @@ hardware level details could be very different. <para>Systems need specialized hardware support to implement OTG, notably including a special <emphasis>Mini-AB</emphasis> jack -and associated transciever to support <emphasis>Dual-Role</emphasis> +and associated transceiver to support <emphasis>Dual-Role</emphasis> operation: they can act either as a host, using the standard Linux-USB host side driver stack, diff --git a/Documentation/DocBook/genericirq.tmpl b/Documentation/DocBook/genericirq.tmpl index 46347f6..59fb5c0 100644 --- a/Documentation/DocBook/genericirq.tmpl +++ b/Documentation/DocBook/genericirq.tmpl @@ -182,7 +182,7 @@ <para> Each interrupt is described by an interrupt descriptor structure irq_desc. The interrupt is referenced by an 'unsigned int' numeric - value which selects the corresponding interrupt decription structure + value which selects the corresponding interrupt description structure in the descriptor structures array. The descriptor structure contains status information and pointers to the interrupt flow method and the interrupt chip structure @@ -470,7 +470,7 @@ if (desc->irq_data.chip->irq_eoi) <para> To avoid copies of identical implementations of IRQ chips the core provides a configurable generic interrupt chip - implementation. Developers should check carefuly whether the + implementation. Developers should check carefully whether the generic chip fits their needs before implementing the same functionality slightly differently themselves. </para> diff --git a/Documentation/DocBook/kernel-locking.tmpl b/Documentation/DocBook/kernel-locking.tmpl index 19f2a5a..e584ee1 100644 --- a/Documentation/DocBook/kernel-locking.tmpl +++ b/Documentation/DocBook/kernel-locking.tmpl @@ -1760,7 +1760,7 @@ as it would be on UP. </para> <para> -There is a furthur optimization possible here: remember our original +There is a further optimization possible here: remember our original cache code, where there were no reference counts and the caller simply held the lock whenever using the object? This is still possible: if you hold the lock, no one can delete the object, so you don't need to diff --git a/Documentation/DocBook/libata.tmpl b/Documentation/DocBook/libata.tmpl index deb71ba..d7fcdc5 100644 --- a/Documentation/DocBook/libata.tmpl +++ b/Documentation/DocBook/libata.tmpl @@ -677,7 +677,7 @@ and other resources, etc. <listitem> <para> - ATA_QCFLAG_ACTIVE is clared from qc->flags. + ATA_QCFLAG_ACTIVE is cleared from qc->flags. </para> </listitem> @@ -708,7 +708,7 @@ and other resources, etc. <listitem> <para> - qc->waiting is claread & completed (in that order). + qc->waiting is cleared & completed (in that order). </para> </listitem> @@ -1163,7 +1163,7 @@ and other resources, etc. <para> Once sense data is acquired, this type of errors can be - handled similary to other SCSI errors. Note that sense data + handled similarly to other SCSI errors. Note that sense data may indicate ATA bus error (e.g. Sense Key 04h HARDWARE ERROR && ASC/ASCQ 47h/00h SCSI PARITY ERROR). In such cases, the error should be considered as an ATA bus error and diff --git a/Documentation/DocBook/media_api.tmpl b/Documentation/DocBook/media_api.tmpl index 4decb46..03f9a1f 100644 --- a/Documentation/DocBook/media_api.tmpl +++ b/Documentation/DocBook/media_api.tmpl @@ -68,7 +68,7 @@ several digital tv standards. While it is called as DVB API, in fact it covers several different video standards including DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated - to documment support also for DVB-S2, ISDB-T and ISDB-S.</para> + to document support also for DVB-S2, ISDB-T and ISDB-S.</para> <para>The third part covers the Remote Controller API.</para> <para>The fourth part covers the Media Controller API.</para> <para>For additional information and for the latest development code, diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl index cd11926..7da8f04 100644 --- a/Documentation/DocBook/mtdnand.tmpl +++ b/Documentation/DocBook/mtdnand.tmpl @@ -91,7 +91,7 @@ <listitem><para> [MTD Interface]</para><para> These functions provide the interface to the MTD kernel API. - They are not replacable and provide functionality + They are not replaceable and provide functionality which is complete hardware independent. </para></listitem> <listitem><para> @@ -100,14 +100,14 @@ </para></listitem> <listitem><para> [GENERIC]</para><para> - Generic functions are not replacable and provide functionality + Generic functions are not replaceable and provide functionality which is complete hardware independent. </para></listitem> <listitem><para> [DEFAULT]</para><para> Default functions provide hardware related functionality which is suitable for most of the implementations. These functions can be replaced by the - board driver if neccecary. Those functions are called via pointers in the + board driver if necessary. Those functions are called via pointers in the NAND chip description structure. The board driver can set the functions which should be replaced by board dependent functions before calling nand_scan(). If the function pointer is NULL on entry to nand_scan() then the pointer @@ -264,7 +264,7 @@ static void board_hwcontrol(struct mtd_info *mtd, int cmd) is set up nand_scan() is called. This function tries to detect and identify then chip. If a chip is found all the internal data fields are initialized accordingly. - The structure(s) have to be zeroed out first and then filled with the neccecary + The structure(s) have to be zeroed out first and then filled with the necessary information about the device. </para> <programlisting> @@ -327,7 +327,7 @@ module_init(board_init); <sect1 id="Exit_function"> <title>Exit function</title> <para> - The exit function is only neccecary if the driver is + The exit function is only necessary if the driver is compiled as a module. It releases all resources which are held by the chip driver and unregisters the partitions in the MTD layer. @@ -494,7 +494,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) in this case. See rts_from4.c and diskonchip.c for implementation reference. In those cases we must also use bad block tables on FLASH, because the ECC layout is - interferring with the bad block marker positions. + interfering with the bad block marker positions. See bad block table support for details. </para> </sect2> @@ -542,7 +542,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) <para> nand_scan() calls the function nand_default_bbt(). nand_default_bbt() selects appropriate default - bad block table desriptors depending on the chip information + bad block table descriptors depending on the chip information which was retrieved by nand_scan(). </para> <para> @@ -554,7 +554,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) <sect2 id="Flash_based_tables"> <title>Flash based tables</title> <para> - It may be desired or neccecary to keep a bad block table in FLASH. + It may be desired or necessary to keep a bad block table in FLASH. For AG-AND chips this is mandatory, as they have no factory marked bad blocks. They have factory marked good blocks. The marker pattern is erased when the block is erased to be reused. So in case of @@ -565,10 +565,10 @@ static void board_select_chip (struct mtd_info *mtd, int chip) of the blocks. </para> <para> - The blocks in which the tables are stored are procteted against + The blocks in which the tables are stored are protected against accidental access by marking them bad in the memory bad block table. The bad block table management functions are allowed - to circumvernt this protection. + to circumvent this protection. </para> <para> The simplest way to activate the FLASH based bad block table support @@ -592,7 +592,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) User defined tables are created by filling out a nand_bbt_descr structure and storing the pointer in the nand_chip structure member bbt_td before calling nand_scan(). - If a mirror table is neccecary a second structure must be + If a mirror table is necessary a second structure must be created and a pointer to this structure must be stored in bbt_md inside the nand_chip structure. If the bbt_md member is set to NULL then only the main table is used @@ -666,7 +666,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip) <para> For automatic placement some blocks must be reserved for bad block table storage. The number of reserved blocks is defined - in the maxblocks member of the babd block table description structure. + in the maxblocks member of the bad block table description structure. Reserving 4 blocks for mirrored tables should be a reasonable number. This also limits the number of blocks which are scanned for the bad block table ident pattern. @@ -1068,11 +1068,11 @@ in this page</entry> <chapter id="filesystems"> <title>Filesystem support</title> <para> - The NAND driver provides all neccecary functions for a + The NAND driver provides all necessary functions for a filesystem via the MTD interface. </para> <para> - Filesystems must be aware of the NAND pecularities and + Filesystems must be aware of the NAND peculiarities and restrictions. One major restrictions of NAND Flash is, that you cannot write as often as you want to a page. The consecutive writes to a page, before erasing it again, are restricted to 1-3 writes, depending on the @@ -1222,7 +1222,7 @@ in this page</entry> #define NAND_BBT_VERSION 0x00000100 /* Create a bbt if none axists */ #define NAND_BBT_CREATE 0x00000200 -/* Write bbt if neccecary */ +/* Write bbt if necessary */ #define NAND_BBT_WRITE 0x00001000 /* Read and write back block contents when writing bbt */ #define NAND_BBT_SAVECONTENT 0x00002000 diff --git a/Documentation/DocBook/regulator.tmpl b/Documentation/DocBook/regulator.tmpl index 346e552..3b08a08 100644 --- a/Documentation/DocBook/regulator.tmpl +++ b/Documentation/DocBook/regulator.tmpl @@ -155,7 +155,7 @@ release regulators. Functions are provided to <link linkend='API-regulator-enable'>enable</link> and <link linkend='API-regulator-disable'>disable</link> the - reguator and to get and set the runtime parameters of the + regulator and to get and set the runtime parameters of the regulator. </para> <para> diff --git a/Documentation/DocBook/uio-howto.tmpl b/Documentation/DocBook/uio-howto.tmpl index 9561815..bbe9c1f 100644 --- a/Documentation/DocBook/uio-howto.tmpl +++ b/Documentation/DocBook/uio-howto.tmpl @@ -766,10 +766,10 @@ framework to set up sysfs files for this region. Simply leave it alone. <para> The dynamic memory regions will be allocated when the UIO device file, <varname>/dev/uioX</varname> is opened. - Simiar to static memory resources, the memory region information for + Similar to static memory resources, the memory region information for dynamic regions is then visible via sysfs at <varname>/sys/class/uio/uioX/maps/mapY/*</varname>. - The dynmaic memory regions will be freed when the UIO device file is + The dynamic memory regions will be freed when the UIO device file is closed. When no processes are holding the device file open, the address returned to userspace is ~0. </para> diff --git a/Documentation/DocBook/usb.tmpl b/Documentation/DocBook/usb.tmpl index 8d57c18..85fc0e2 100644 --- a/Documentation/DocBook/usb.tmpl +++ b/Documentation/DocBook/usb.tmpl @@ -153,7 +153,7 @@ <listitem><para>The Linux USB API supports synchronous calls for control and bulk messages. - It also supports asynchnous calls for all kinds of data transfer, + It also supports asynchronous calls for all kinds of data transfer, using request structures called "URBs" (USB Request Blocks). </para></listitem> diff --git a/Documentation/DocBook/writing-an-alsa-driver.tmpl b/Documentation/DocBook/writing-an-alsa-driver.tmpl index d0056a4..6f639d9 100644 --- a/Documentation/DocBook/writing-an-alsa-driver.tmpl +++ b/Documentation/DocBook/writing-an-alsa-driver.tmpl @@ -5696,7 +5696,7 @@ struct _snd_pcm_runtime { suspending the PCM operations via <function>snd_pcm_suspend_all()</function> or <function>snd_pcm_suspend()</function>. It means that the PCM - streams are already stoppped when the register snapshot is + streams are already stopped when the register snapshot is taken. But, remember that you don't have to restart the PCM stream in the resume callback. It'll be restarted via trigger call with <constant>SNDRV_PCM_TRIGGER_RESUME</constant> diff --git a/Documentation/cpu-freq/intel-pstate.txt b/Documentation/cpu-freq/intel-pstate.txt index e742d21..a69ffe1 100644 --- a/Documentation/cpu-freq/intel-pstate.txt +++ b/Documentation/cpu-freq/intel-pstate.txt @@ -15,10 +15,13 @@ New sysfs files for controlling P state selection have been added to /sys/devices/system/cpu/intel_pstate/ max_perf_pct: limits the maximum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the available performance. The + available (P states) performance may be reduced by the no_turbo + setting described below. min_perf_pct: limits the minimum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the max (non-turbo) + performance level. no_turbo: limits the driver to selecting P states below the turbo frequency range. diff --git a/Documentation/devicetree/bindings/arm/exynos/power_domain.txt b/Documentation/devicetree/bindings/arm/exynos/power_domain.txt index 5216b41..8b4f7b7f 100644 --- a/Documentation/devicetree/bindings/arm/exynos/power_domain.txt +++ b/Documentation/devicetree/bindings/arm/exynos/power_domain.txt @@ -9,6 +9,18 @@ Required Properties: - reg: physical base address of the controller and length of memory mapped region. +Optional Properties: +- clocks: List of clock handles. The parent clocks of the input clocks to the + devices in this power domain are set to oscclk before power gating + and restored back after powering on a domain. This is required for + all domains which are powered on and off and not required for unused + domains. +- clock-names: The following clocks can be specified: + - oscclk: Oscillator clock. + - pclkN, clkN: Pairs of parent of input clock and input clock to the + devices in this power domain. Maximum of 4 pairs (N = 0 to 3) + are supported currently. + Node of a device using power domains must have a samsung,power-domain property defined with a phandle to respective power domain. @@ -19,6 +31,14 @@ Example: reg = <0x10023C00 0x10>; }; + mfc_pd: power-domain@10044060 { + compatible = "samsung,exynos4210-pd"; + reg = <0x10044060 0x20>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MOUT_SW_ACLK333>, + <&clock CLK_MOUT_USER_ACLK333>; + clock-names = "oscclk", "pclk0", "clk0"; + }; + Example of the node using power domain: node { diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt index 64fd7de..b355660 100644 --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -4,6 +4,13 @@ Required properties: - compatible: Must contain one of the following: + - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART. + - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART. + - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART. + - "renesas,scifb-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFB compatible UART. + - "renesas,scifa-r8a7740" for R8A7740 (R-Mobile A1) SCIFA compatible UART. + - "renesas,scifb-r8a7740" for R8A7740 (R-Mobile A1) SCIFB compatible UART. + - "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART. - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART. - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART. - "renesas,scifa-r8a7790" for R8A7790 (R-Car H2) SCIFA compatible UART. diff --git a/Documentation/laptops/00-INDEX b/Documentation/laptops/00-INDEX index d13b9a9..d399ae1 100644 --- a/Documentation/laptops/00-INDEX +++ b/Documentation/laptops/00-INDEX @@ -8,8 +8,8 @@ disk-shock-protection.txt - information on hard disk shock protection. dslm.c - Simple Disk Sleep Monitor program -hpfall.c - - (HP) laptop accelerometer program for disk protection. +freefall.c + - (HP/DELL) laptop accelerometer program for disk protection. laptop-mode.txt - how to conserve battery power using laptop-mode. sony-laptop.txt diff --git a/Documentation/laptops/hpfall.c b/Documentation/laptops/freefall.c index b85dbba..aab2ff0 100644 --- a/Documentation/laptops/hpfall.c +++ b/Documentation/laptops/freefall.c @@ -1,7 +1,9 @@ -/* Disk protection for HP machines. +/* Disk protection for HP/DELL machines. * * Copyright 2008 Eric Piel * Copyright 2009 Pavel Machek <pavel@ucw.cz> + * Copyright 2012 Sonal Santan + * Copyright 2014 Pali Rohár <pali.rohar@gmail.com> * * GPLv2. */ @@ -18,24 +20,31 @@ #include <signal.h> #include <sys/mman.h> #include <sched.h> +#include <syslog.h> -char unload_heads_path[64]; +static int noled; +static char unload_heads_path[64]; +static char device_path[32]; +static const char app_name[] = "FREE FALL"; -int set_unload_heads_path(char *device) +static int set_unload_heads_path(char *device) { char devname[64]; if (strlen(device) <= 5 || strncmp(device, "/dev/", 5) != 0) return -EINVAL; - strncpy(devname, device + 5, sizeof(devname)); + strncpy(devname, device + 5, sizeof(devname) - 1); + strncpy(device_path, device, sizeof(device_path) - 1); snprintf(unload_heads_path, sizeof(unload_heads_path) - 1, "/sys/block/%s/device/unload_heads", devname); return 0; } -int valid_disk(void) + +static int valid_disk(void) { int fd = open(unload_heads_path, O_RDONLY); + if (fd < 0) { perror(unload_heads_path); return 0; @@ -45,43 +54,54 @@ int valid_disk(void) return 1; } -void write_int(char *path, int i) +static void write_int(char *path, int i) { char buf[1024]; int fd = open(path, O_RDWR); + if (fd < 0) { perror("open"); exit(1); } + sprintf(buf, "%d", i); + if (write(fd, buf, strlen(buf)) != strlen(buf)) { perror("write"); exit(1); } + close(fd); } -void set_led(int on) +static void set_led(int on) { + if (noled) + return; write_int("/sys/class/leds/hp::hddprotect/brightness", on); } -void protect(int seconds) +static void protect(int seconds) { + const char *str = (seconds == 0) ? "Unparked" : "Parked"; + write_int(unload_heads_path, seconds*1000); + syslog(LOG_INFO, "%s %s disk head\n", str, device_path); } -int on_ac(void) +static int on_ac(void) { -// /sys/class/power_supply/AC0/online + /* /sys/class/power_supply/AC0/online */ + return 1; } -int lid_open(void) +static int lid_open(void) { -// /proc/acpi/button/lid/LID/state + /* /proc/acpi/button/lid/LID/state */ + return 1; } -void ignore_me(void) +static void ignore_me(int signum) { protect(0); set_led(0); @@ -90,6 +110,7 @@ void ignore_me(void) int main(int argc, char **argv) { int fd, ret; + struct stat st; struct sched_param param; if (argc == 1) @@ -111,7 +132,16 @@ int main(int argc, char **argv) return EXIT_FAILURE; } - daemon(0, 0); + if (stat("/sys/class/leds/hp::hddprotect/brightness", &st)) + noled = 1; + + if (daemon(0, 0) != 0) { + perror("daemon"); + return EXIT_FAILURE; + } + + openlog(app_name, LOG_CONS | LOG_PID | LOG_NDELAY, LOG_LOCAL1); + param.sched_priority = sched_get_priority_max(SCHED_FIFO); sched_setscheduler(0, SCHED_FIFO, ¶m); mlockall(MCL_CURRENT|MCL_FUTURE); @@ -141,6 +171,7 @@ int main(int argc, char **argv) alarm(20); } + closelog(); close(fd); return EXIT_SUCCESS; } diff --git a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl b/Documentation/trace/postprocess/trace-vmscan-postprocess.pl index 00e425f..78c9a7b 100644 --- a/Documentation/trace/postprocess/trace-vmscan-postprocess.pl +++ b/Documentation/trace/postprocess/trace-vmscan-postprocess.pl @@ -47,7 +47,6 @@ use constant HIGH_KSWAPD_REWAKEUP => 21; use constant HIGH_NR_SCANNED => 22; use constant HIGH_NR_TAKEN => 23; use constant HIGH_NR_RECLAIMED => 24; -use constant HIGH_NR_CONTIG_DIRTY => 25; my %perprocesspid; my %perprocess; @@ -105,7 +104,7 @@ my $regex_direct_end_default = 'nr_reclaimed=([0-9]*)'; my $regex_kswapd_wake_default = 'nid=([0-9]*) order=([0-9]*)'; my $regex_kswapd_sleep_default = 'nid=([0-9]*)'; my $regex_wakeup_kswapd_default = 'nid=([0-9]*) zid=([0-9]*) order=([0-9]*)'; -my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_taken=([0-9]*) contig_taken=([0-9]*) contig_dirty=([0-9]*) contig_failed=([0-9]*)'; +my $regex_lru_isolate_default = 'isolate_mode=([0-9]*) order=([0-9]*) nr_requested=([0-9]*) nr_scanned=([0-9]*) nr_taken=([0-9]*) file=([0-9]*)'; my $regex_lru_shrink_inactive_default = 'nid=([0-9]*) zid=([0-9]*) nr_scanned=([0-9]*) nr_reclaimed=([0-9]*) priority=([0-9]*) flags=([A-Z_|]*)'; my $regex_lru_shrink_active_default = 'lru=([A-Z_]*) nr_scanned=([0-9]*) nr_rotated=([0-9]*) priority=([0-9]*)'; my $regex_writepage_default = 'page=([0-9a-f]*) pfn=([0-9]*) flags=([A-Z_|]*)'; @@ -200,7 +199,7 @@ $regex_lru_isolate = generate_traceevent_regex( $regex_lru_isolate_default, "isolate_mode", "order", "nr_requested", "nr_scanned", "nr_taken", - "contig_taken", "contig_dirty", "contig_failed"); + "file"); $regex_lru_shrink_inactive = generate_traceevent_regex( "vmscan/mm_vmscan_lru_shrink_inactive", $regex_lru_shrink_inactive_default, @@ -375,7 +374,6 @@ EVENT_PROCESS: } my $isolate_mode = $1; my $nr_scanned = $4; - my $nr_contig_dirty = $7; # To closer match vmstat scanning statistics, only count isolate_both # and isolate_inactive as scanning. isolate_active is rotation @@ -385,7 +383,6 @@ EVENT_PROCESS: if ($isolate_mode != 2) { $perprocesspid{$process_pid}->{HIGH_NR_SCANNED} += $nr_scanned; } - $perprocesspid{$process_pid}->{HIGH_NR_CONTIG_DIRTY} += $nr_contig_dirty; } elsif ($tracepoint eq "mm_vmscan_lru_shrink_inactive") { $details = $6; if ($details !~ /$regex_lru_shrink_inactive/o) { @@ -539,13 +536,6 @@ sub dump_stats { } } } - if ($stats{$process_pid}->{HIGH_NR_CONTIG_DIRTY}) { - print " "; - my $count = $stats{$process_pid}->{HIGH_NR_CONTIG_DIRTY}; - if ($count != 0) { - print "contig-dirty=$count "; - } - } print "\n"; } diff --git a/MAINTAINERS b/MAINTAINERS index 702ca10..61a8f48 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -156,7 +156,6 @@ F: drivers/net/hamradio/6pack.c 8169 10/100/1000 GIGABIT ETHERNET DRIVER M: Realtek linux nic maintainers <nic_swsd@realtek.com> -M: Francois Romieu <romieu@fr.zoreil.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/realtek/r8169.c @@ -943,16 +942,10 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git F: arch/arm/mach-imx/ +F: arch/arm/mach-mxs/ F: arch/arm/boot/dts/imx* F: arch/arm/configs/imx*_defconfig -ARM/FREESCALE MXS ARM ARCHITECTURE -M: Shawn Guo <shawn.guo@linaro.org> -L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -S: Maintained -T: git git://git.linaro.org/people/shawnguo/linux-2.6.git -F: arch/arm/mach-mxs/ - ARM/GLOMATION GESBC9312SX MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1052,9 +1045,33 @@ M: Santosh Shilimkar <santosh.shilimkar@ti.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-keystone/ -F: drivers/clk/keystone/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone.git +ARM/TEXAS INSTRUMENT KEYSTONE CLOCK FRAMEWORK +M: Santosh Shilimkar <santosh.shilimkar@ti.com> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/clk/keystone/ + +ARM/TEXAS INSTRUMENT KEYSTONE ClOCKSOURCE +M: Santosh Shilimkar <santosh.shilimkar@ti.com> +L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/clocksource/timer-keystone.c + +ARM/TEXAS INSTRUMENT KEYSTONE RESET DRIVER +M: Santosh Shilimkar <santosh.shilimkar@ti.com> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/power/reset/keystone-reset.c + +ARM/TEXAS INSTRUMENT AEMIF/EMIF DRIVERS +M: Santosh Shilimkar <santosh.shilimkar@ti.com> +L: linux-kernel@vger.kernel.org +S: Maintained +F: drivers/memory/*emif* + ARM/LOGICPD PXA270 MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) @@ -1296,6 +1313,20 @@ W: http://oss.renesas.com Q: http://patchwork.kernel.org/project/linux-sh/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git next S: Supported +F: arch/arm/boot/dts/emev2* +F: arch/arm/boot/dts/r7s* +F: arch/arm/boot/dts/r8a* +F: arch/arm/boot/dts/sh* +F: arch/arm/configs/ape6evm_defconfig +F: arch/arm/configs/armadillo800eva_defconfig +F: arch/arm/configs/bockw_defconfig +F: arch/arm/configs/genmai_defconfig +F: arch/arm/configs/koelsch_defconfig +F: arch/arm/configs/kzm9g_defconfig +F: arch/arm/configs/lager_defconfig +F: arch/arm/configs/mackerel_defconfig +F: arch/arm/configs/marzen_defconfig +F: arch/arm/configs/shmobile_defconfig F: arch/arm/mach-shmobile/ F: drivers/sh/ @@ -4479,8 +4510,7 @@ S: Supported F: drivers/idle/i7300_idle.c IEEE 802.15.4 SUBSYSTEM -M: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> -M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> +M: Alexander Aring <alex.aring@gmail.com> L: linux-zigbee-devel@lists.sourceforge.net (moderated for non-subscribers) W: http://apps.sourceforge.net/trac/linux-zigbee T: git git://git.kernel.org/pub/scm/linux/kernel/git/lowpan/lowpan.git @@ -5512,10 +5542,11 @@ S: Maintained F: arch/arm/mach-lpc32xx/ LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI) -M: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com> -M: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> -M: support@lsi.com -L: DL-MPTFusionLinux@lsi.com +M: Nagalakshmi Nandigama <nagalakshmi.nandigama@avagotech.com> +M: Praveen Krishnamoorthy <praveen.krishnamoorthy@avagotech.com> +M: Sreekanth Reddy <sreekanth.reddy@avagotech.com> +M: Abhijit Mahajan <abhijit.mahajan@avagotech.com> +L: MPT-FusionLinux.pdl@avagotech.com L: linux-scsi@vger.kernel.org W: http://www.lsilogic.com/support S: Supported @@ -6768,7 +6799,7 @@ F: arch/x86/kernel/quirks.c PCI DRIVER FOR IMX6 M: Richard Zhu <r65037@freescale.com> -M: Shawn Guo <shawn.guo@linaro.org> +M: Shawn Guo <shawn.guo@freescale.com> L: linux-pci@vger.kernel.org L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained @@ -8965,7 +8996,7 @@ F: drivers/media/radio/radio-raremono.c THERMAL M: Zhang Rui <rui.zhang@intel.com> -M: Eduardo Valentin <eduardo.valentin@ti.com> +M: Eduardo Valentin <edubezval@gmail.com> L: linux-pm@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git T: git git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.git @@ -8992,7 +9023,7 @@ S: Maintained F: drivers/platform/x86/thinkpad_acpi.c TI BANDGAP AND THERMAL DRIVER -M: Eduardo Valentin <eduardo.valentin@ti.com> +M: Eduardo Valentin <edubezval@gmail.com> L: linux-pm@vger.kernel.org S: Supported F: drivers/thermal/ti-soc-thermal/ @@ -9406,12 +9437,6 @@ S: Maintained F: drivers/usb/host/isp116x* F: include/linux/usb/isp116x.h -USB KAWASAKI LSI DRIVER -M: Oliver Neukum <oliver@neukum.org> -L: linux-usb@vger.kernel.org -S: Maintained -F: drivers/usb/serial/kl5kusb105.* - USB MASS STORAGE DRIVER M: Matthew Dharm <mdharm-usb@one-eyed-alien.net> L: linux-usb@vger.kernel.org @@ -9439,12 +9464,6 @@ S: Maintained F: Documentation/usb/ohci.txt F: drivers/usb/host/ohci* -USB OPTION-CARD DRIVER -M: Matthias Urlichs <smurf@smurf.noris.de> -L: linux-usb@vger.kernel.org -S: Maintained -F: drivers/usb/serial/option.c - USB PEGASUS DRIVER M: Petko Manolov <petkan@nucleusys.com> L: linux-usb@vger.kernel.org @@ -9477,7 +9496,7 @@ S: Maintained F: drivers/net/usb/rtl8150.c USB SERIAL SUBSYSTEM -M: Johan Hovold <jhovold@gmail.com> +M: Johan Hovold <johan@kernel.org> L: linux-usb@vger.kernel.org S: Maintained F: Documentation/usb/usb-serial.txt @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 16 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc5 NAME = Shuffling Zombie Juror # *DOCUMENTATION* @@ -41,6 +41,29 @@ unexport GREP_OPTIONS # descending is started. They are now explicitly listed as the # prepare rule. +# Beautify output +# --------------------------------------------------------------------------- +# +# Normally, we echo the whole command before executing it. By making +# that echo $($(quiet)$(cmd)), we now have the possibility to set +# $(quiet) to choose other forms of output instead, e.g. +# +# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ +# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< +# +# If $(quiet) is empty, the whole command will be printed. +# If it is set to "quiet_", only the short version will be printed. +# If it is set to "silent_", nothing will be printed at all, since +# the variable $(silent_cmd_cc_o_c) doesn't exist. +# +# A simple variant is to prefix commands with $(Q) - that's useful +# for commands that shall be hidden in non-verbose mode. +# +# $(Q)ln $@ :< +# +# If KBUILD_VERBOSE equals 0 then the above command will be hidden. +# If KBUILD_VERBOSE equals 1 then the above command is displayed. +# # To put more focus on warnings, be less verbose as default # Use 'make V=1' to see the full commands @@ -51,6 +74,29 @@ ifndef KBUILD_VERBOSE KBUILD_VERBOSE = 0 endif +ifeq ($(KBUILD_VERBOSE),1) + quiet = + Q = +else + quiet=quiet_ + Q = @ +endif + +# If the user is running make -s (silent mode), suppress echoing of +# commands + +ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 +ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) + quiet=silent_ +endif +else # make-3.8x +ifneq ($(filter s% -s%,$(MAKEFLAGS)),) + quiet=silent_ +endif +endif + +export quiet Q KBUILD_VERBOSE + # Call a source code checker (by default, "sparse") as part of the # C compilation. # @@ -126,7 +172,13 @@ PHONY += $(MAKECMDGOALS) sub-make $(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make @: +# Fake the "Entering directory" message once, so that IDEs/editors are +# able to understand relative filenames. + echodir := @echo + quiet_echodir := @echo +silent_echodir := @: sub-make: FORCE + $($(quiet)echodir) "make[1]: Entering directory \`$(KBUILD_OUTPUT)'" $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \ KBUILD_SRC=$(CURDIR) \ KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \ @@ -289,52 +341,6 @@ endif export KBUILD_MODULES KBUILD_BUILTIN export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD -# Beautify output -# --------------------------------------------------------------------------- -# -# Normally, we echo the whole command before executing it. By making -# that echo $($(quiet)$(cmd)), we now have the possibility to set -# $(quiet) to choose other forms of output instead, e.g. -# -# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@ -# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< -# -# If $(quiet) is empty, the whole command will be printed. -# If it is set to "quiet_", only the short version will be printed. -# If it is set to "silent_", nothing will be printed at all, since -# the variable $(silent_cmd_cc_o_c) doesn't exist. -# -# A simple variant is to prefix commands with $(Q) - that's useful -# for commands that shall be hidden in non-verbose mode. -# -# $(Q)ln $@ :< -# -# If KBUILD_VERBOSE equals 0 then the above command will be hidden. -# If KBUILD_VERBOSE equals 1 then the above command is displayed. - -ifeq ($(KBUILD_VERBOSE),1) - quiet = - Q = -else - quiet=quiet_ - Q = @ -endif - -# If the user is running make -s (silent mode), suppress echoing of -# commands - -ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 -ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) - quiet=silent_ -endif -else # make-3.8x -ifneq ($(filter s% -s%,$(MAKEFLAGS)),) - quiet=silent_ -endif -endif - -export quiet Q KBUILD_VERBOSE - ifneq ($(CC),) ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang version"), 1) COMPILER := clang @@ -1170,7 +1176,7 @@ distclean: mrproper # Packaging of the kernel to various formats # --------------------------------------------------------------------------- # rpm target kept for backward compatibility -package-dir := $(srctree)/scripts/package +package-dir := scripts/package %src-pkg: FORCE $(Q)$(MAKE) $(build)=$(package-dir) $@ diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index ecb2677..e2156a5 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -529,8 +529,8 @@ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ 0 0 1 2 >; - tx-num-evt = <1>; - rx-num-evt = <1>; + tx-num-evt = <32>; + rx-num-evt = <32>; }; &tps { diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index ab9a34c..80a3b21 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -560,8 +560,8 @@ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ 0 0 1 2 >; - tx-num-evt = <1>; - rx-num-evt = <1>; + tx-num-evt = <32>; + rx-num-evt = <32>; }; &tscadc { diff --git a/arch/arm/boot/dts/am335x-igep0033.dtsi b/arch/arm/boot/dts/am335x-igep0033.dtsi index 8a0a72d..a1a0cc5 100644 --- a/arch/arm/boot/dts/am335x-igep0033.dtsi +++ b/arch/arm/boot/dts/am335x-igep0033.dtsi @@ -105,10 +105,16 @@ &cpsw_emac0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "rmii"; }; &cpsw_emac1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "rmii"; +}; + +&phy_sel { + rmii-clock-ext; }; &elm { diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts index 19f1f7e..90098f9 100644 --- a/arch/arm/boot/dts/am43x-epos-evm.dts +++ b/arch/arm/boot/dts/am43x-epos-evm.dts @@ -319,6 +319,10 @@ phy-mode = "rmii"; }; +&phy_sel { + rmii-clock-ext; +}; + &i2c0 { status = "okay"; pinctrl-names = "default"; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index d6133f4..2ebc421 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -1045,6 +1045,8 @@ reg = <0x00500000 0x80000 0xf803c000 0x400>; interrupts = <23 IRQ_TYPE_LEVEL_HIGH 0>; + clocks = <&usb>, <&udphs_clk>; + clock-names = "hclk", "pclk"; status = "disabled"; ep0 { diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 4adc280..8308954 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -240,6 +240,7 @@ regulator-name = "ldo3"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; regulator-boot-on; }; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index c29945e..8012763 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -773,7 +773,6 @@ clocks = <&qspi_gfclk_div>; clock-names = "fck"; num-cs = <4>; - interrupts = <0 343 0x4>; status = "disabled"; }; @@ -984,6 +983,17 @@ #size-cells = <1>; status = "disabled"; }; + + atl: atl@4843c000 { + compatible = "ti,dra7-atl"; + reg = <0x4843c000 0x3ff>; + ti,hwmods = "atl"; + ti,provided-clocks = <&atl_clkin0_ck>, <&atl_clkin1_ck>, + <&atl_clkin2_ck>, <&atl_clkin3_ck>; + clocks = <&atl_gfclk_mux>; + clock-names = "fck"; + status = "disabled"; + }; }; }; diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi index b03cfe4..dc7a292 100644 --- a/arch/arm/boot/dts/dra7xx-clocks.dtsi +++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi @@ -10,26 +10,26 @@ &cm_core_aon_clocks { atl_clkin0_ck: atl_clkin0_ck { #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; }; atl_clkin1_ck: atl_clkin1_ck { #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; }; atl_clkin2_ck: atl_clkin2_ck { #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; }; atl_clkin3_ck: atl_clkin3_ck { #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; + compatible = "ti,dra7-atl-clock"; + clocks = <&atl_gfclk_mux>; }; hdmi_clkin_ck: hdmi_clkin_ck { @@ -673,10 +673,12 @@ l3_iclk_div: l3_iclk_div { #clock-cells = <0>; - compatible = "fixed-factor-clock"; + compatible = "ti,divider-clock"; + ti,max-div = <2>; + ti,bit-shift = <4>; + reg = <0x0100>; clocks = <&dpll_core_h12x2_ck>; - clock-mult = <1>; - clock-div = <1>; + ti,index-power-of-two; }; l4_root_clk_div: l4_root_clk_div { @@ -684,7 +686,7 @@ compatible = "fixed-factor-clock"; clocks = <&l3_iclk_div>; clock-mult = <1>; - clock-div = <1>; + clock-div = <2>; }; video1_clk2_div: video1_clk2_div { diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index fbaf426..17b22e9 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -554,7 +554,7 @@ interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>; clocks = <&clock CLK_PWM>; clock-names = "timers"; - #pwm-cells = <2>; + #pwm-cells = <3>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index e385322..1595722 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -167,7 +167,7 @@ compatible = "samsung,exynos5420-audss-clock"; reg = <0x03810000 0x0C>; #clock-cells = <1>; - clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>, + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>, <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>; clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in"; }; @@ -260,6 +260,9 @@ mfc_pd: power-domain@10044060 { compatible = "samsung,exynos4210-pd"; reg = <0x10044060 0x20>; + clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MOUT_SW_ACLK333>, + <&clock CLK_MOUT_USER_ACLK333>; + clock-names = "oscclk", "pclk0", "clk0"; }; disp_pd: power-domain@100440C0 { diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index cf0be66..1becefc 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -251,6 +251,11 @@ codec { }; }; + + twl_power: power { + compatible = "ti,twl4030-power-beagleboard-xm", "ti,twl4030-power-idle-osc-off"; + ti,use_poweroff; + }; }; }; @@ -301,6 +306,7 @@ }; &uart3 { + interrupts-extended = <&intc 74 &omap3_pmx_core OMAP3_UART3_RX>; pinctrl-names = "default"; pinctrl-0 = <&uart3_pins>; }; diff --git a/arch/arm/boot/dts/omap3-evm-common.dtsi b/arch/arm/boot/dts/omap3-evm-common.dtsi index 8ae8f00..c8747c7 100644 --- a/arch/arm/boot/dts/omap3-evm-common.dtsi +++ b/arch/arm/boot/dts/omap3-evm-common.dtsi @@ -50,6 +50,13 @@ gpios = <&twl_gpio 18 GPIO_ACTIVE_LOW>; }; +&twl { + twl_power: power { + compatible = "ti,twl4030-power-omap3-evm", "ti,twl4030-power-idle"; + ti,use_poweroff; + }; +}; + &i2c2 { clock-frequency = <400000>; }; diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index ae8ae3f..1fe45d1 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -351,6 +351,11 @@ compatible = "ti,twl4030-audio"; ti,enable-vibra = <1>; }; + + twl_power: power { + compatible = "ti,twl4030-power-n900", "ti,twl4030-power-idle-osc-off"; + ti,use_poweroff; + }; }; &twl_keypad { diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 3bfda16..a4ed549 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -45,7 +45,6 @@ operating-points = < /* kHz uV */ - 500000 880000 1000000 1060000 1500000 1250000 >; diff --git a/arch/arm/configs/bcm_defconfig b/arch/arm/configs/bcm_defconfig index 9d13dae..4bf7226 100644 --- a/arch/arm/configs/bcm_defconfig +++ b/arch/arm/configs/bcm_defconfig @@ -94,10 +94,10 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_PWM=y # CONFIG_USB_SUPPORT is not set CONFIG_MMC=y -CONFIG_MMC_UNSAFE_RESUME=y CONFIG_MMC_BLOCK_MINORS=32 CONFIG_MMC_TEST=y CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y CONFIG_MMC_SDHCI_BCM_KONA=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index be1a345..5348364 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -223,12 +223,12 @@ CONFIG_POWER_RESET_GPIO=y CONFIG_POWER_RESET_SUN6I=y CONFIG_SENSORS_LM90=y CONFIG_THERMAL=y -CONFIG_DOVE_THERMAL=y CONFIG_ARMADA_THERMAL=y CONFIG_WATCHDOG=y CONFIG_ORION_WATCHDOG=y CONFIG_SUNXI_WATCHDOG=y CONFIG_MFD_AS3722=y +CONFIG_MFD_BCM590XX=y CONFIG_MFD_CROS_EC=y CONFIG_MFD_CROS_EC_SPI=y CONFIG_MFD_MAX8907=y @@ -240,6 +240,7 @@ CONFIG_MFD_TPS65910=y CONFIG_REGULATOR_VIRTUAL_CONSUMER=y CONFIG_REGULATOR_AB8500=y CONFIG_REGULATOR_AS3722=y +CONFIG_REGULATOR_BCM590XX=y CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_MAX8907=y CONFIG_REGULATOR_PALMAS=y diff --git a/arch/arm/kernel/kprobes-test-arm.c b/arch/arm/kernel/kprobes-test-arm.c index 9db4b65..cb14242 100644 --- a/arch/arm/kernel/kprobes-test-arm.c +++ b/arch/arm/kernel/kprobes-test-arm.c @@ -74,8 +74,6 @@ void kprobe_arm_test_cases(void) TEST_RRR( op "lt" s " r11, r",11,VAL1,", r",14,N(val),", asr r",7, 6,"")\ TEST_RR( op "gt" s " r12, r13" ", r",14,val, ", ror r",14,7,"")\ TEST_RR( op "le" s " r14, r",0, val, ", r13" ", lsl r",14,8,"")\ - TEST_RR( op s " r12, pc" ", r",14,val, ", ror r",14,7,"")\ - TEST_RR( op s " r14, r",0, val, ", pc" ", lsl r",14,8,"")\ TEST_R( op "eq" s " r0, r",11,VAL1,", #0xf5") \ TEST_R( op "ne" s " r11, r",0, VAL1,", #0xf5000000") \ TEST_R( op s " r7, r",8, VAL2,", #0x000af000") \ @@ -103,8 +101,6 @@ void kprobe_arm_test_cases(void) TEST_RRR( op "ge r",11,VAL1,", r",14,N(val),", asr r",7, 6,"") \ TEST_RR( op "le r13" ", r",14,val, ", ror r",14,7,"") \ TEST_RR( op "gt r",0, val, ", r13" ", lsl r",14,8,"") \ - TEST_RR( op " pc" ", r",14,val, ", ror r",14,7,"") \ - TEST_RR( op " r",0, val, ", pc" ", lsl r",14,8,"") \ TEST_R( op "eq r",11,VAL1,", #0xf5") \ TEST_R( op "ne r",0, VAL1,", #0xf5000000") \ TEST_R( op " r",8, VAL2,", #0x000af000") @@ -125,7 +121,6 @@ void kprobe_arm_test_cases(void) TEST_RR( op "ge" s " r11, r",11,N(val),", asr r",7, 6,"") \ TEST_RR( op "lt" s " r12, r",11,val, ", ror r",14,7,"") \ TEST_R( op "gt" s " r14, r13" ", lsl r",14,8,"") \ - TEST_R( op "le" s " r14, pc" ", lsl r",14,8,"") \ TEST( op "eq" s " r0, #0xf5") \ TEST( op "ne" s " r11, #0xf5000000") \ TEST( op s " r7, #0x000af000") \ @@ -159,12 +154,19 @@ void kprobe_arm_test_cases(void) TEST_SUPPORTED("cmp pc, #0x1000"); TEST_SUPPORTED("cmp sp, #0x1000"); - /* Data-processing with PC as shift*/ + /* Data-processing with PC and a shift count in a register */ TEST_UNSUPPORTED(__inst_arm(0xe15c0f1e) " @ cmp r12, r14, asl pc") TEST_UNSUPPORTED(__inst_arm(0xe1a0cf1e) " @ mov r12, r14, asl pc") TEST_UNSUPPORTED(__inst_arm(0xe08caf1e) " @ add r10, r12, r14, asl pc") - - /* Data-processing with PC as shift*/ + TEST_UNSUPPORTED(__inst_arm(0xe151021f) " @ cmp r1, pc, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe17f0211) " @ cmn pc, r1, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe1a0121f) " @ mov r1, pc, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe1a0f211) " @ mov pc, r1, lsl r2") + TEST_UNSUPPORTED(__inst_arm(0xe042131f) " @ sub r1, r2, pc, lsl r3") + TEST_UNSUPPORTED(__inst_arm(0xe1cf1312) " @ bic r1, pc, r2, lsl r3") + TEST_UNSUPPORTED(__inst_arm(0xe081f312) " @ add pc, r1, r2, lsl r3") + + /* Data-processing with PC as a target and status registers updated */ TEST_UNSUPPORTED("movs pc, r1") TEST_UNSUPPORTED("movs pc, r1, lsl r2") TEST_UNSUPPORTED("movs pc, #0x10000") @@ -187,14 +189,14 @@ void kprobe_arm_test_cases(void) TEST_BF_R ("add pc, pc, r",14,2f-1f-8,"") TEST_BF_R ("add pc, r",14,2f-1f-8,", pc") TEST_BF_R ("mov pc, r",0,2f,"") - TEST_BF_RR("mov pc, r",0,2f,", asl r",1,0,"") + TEST_BF_R ("add pc, pc, r",14,(2f-1f-8)*2,", asr #1") TEST_BB( "sub pc, pc, #1b-2b+8") #if __LINUX_ARM_ARCH__ == 6 && !defined(CONFIG_CPU_V7) TEST_BB( "sub pc, pc, #1b-2b+8-2") /* UNPREDICTABLE before and after ARMv6 */ #endif TEST_BB_R( "sub pc, pc, r",14, 1f-2f+8,"") TEST_BB_R( "rsb pc, r",14,1f-2f+8,", pc") - TEST_RR( "add pc, pc, r",10,-2,", asl r",11,1,"") + TEST_R( "add pc, pc, r",10,-2,", asl #1") #ifdef CONFIG_THUMB2_KERNEL TEST_ARM_TO_THUMB_INTERWORK_R("add pc, pc, r",0,3f-1f-8+1,"") TEST_ARM_TO_THUMB_INTERWORK_R("sub pc, r",0,3f+8+1,", #8") @@ -216,6 +218,7 @@ void kprobe_arm_test_cases(void) TEST_BB_R("bx r",7,2f,"") TEST_BF_R("bxeq r",14,2f,"") +#if __LINUX_ARM_ARCH__ >= 5 TEST_R("clz r0, r",0, 0x0,"") TEST_R("clzeq r7, r",14,0x1,"") TEST_R("clz lr, r",7, 0xffffffff,"") @@ -337,6 +340,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe16f02e1) " @ smultt pc, r1, r2") TEST_UNSUPPORTED(__inst_arm(0xe16002ef) " @ smultt r0, pc, r2") TEST_UNSUPPORTED(__inst_arm(0xe1600fe1) " @ smultt r0, r1, pc") +#endif TEST_GROUP("Multiply and multiply-accumulate") @@ -559,6 +563,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED("ldrsht r1, [r2], #48") #endif +#if __LINUX_ARM_ARCH__ >= 5 TEST_RPR( "strd r",0, VAL1,", [r",1, 48,", -r",2,24,"]") TEST_RPR( "strccd r",8, VAL2,", [r",13,0, ", r",12,48,"]") TEST_RPR( "strd r",4, VAL1,", [r",2, 24,", r",3, 48,"]!") @@ -595,6 +600,7 @@ void kprobe_arm_test_cases(void) TEST_UNSUPPORTED(__inst_arm(0xe1efc3d0) " @ ldrd r12, [pc, #48]!") TEST_UNSUPPORTED(__inst_arm(0xe0c9f3d0) " @ ldrd pc, [r9], #48") TEST_UNSUPPORTED(__inst_arm(0xe0c9e3d0) " @ ldrd lr, [r9], #48") +#endif TEST_GROUP("Miscellaneous") @@ -1227,7 +1233,9 @@ void kprobe_arm_test_cases(void) TEST_COPROCESSOR( "mrc"two" 0, 0, r0, cr0, cr0, 0") COPROCESSOR_INSTRUCTIONS_ST_LD("",e) +#if __LINUX_ARM_ARCH__ >= 5 COPROCESSOR_INSTRUCTIONS_MC_MR("",e) +#endif TEST_UNSUPPORTED("svc 0") TEST_UNSUPPORTED("svc 0xffffff") @@ -1287,7 +1295,9 @@ void kprobe_arm_test_cases(void) TEST( "blx __dummy_thumb_subroutine_odd") #endif /* __LINUX_ARM_ARCH__ >= 6 */ +#if __LINUX_ARM_ARCH__ >= 5 COPROCESSOR_INSTRUCTIONS_ST_LD("2",f) +#endif #if __LINUX_ARM_ARCH__ >= 6 COPROCESSOR_INSTRUCTIONS_MC_MR("2",f) #endif diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c index 3796399..08d7312 100644 --- a/arch/arm/kernel/kprobes-test.c +++ b/arch/arm/kernel/kprobes-test.c @@ -225,6 +225,7 @@ static int pre_handler_called; static int post_handler_called; static int jprobe_func_called; static int kretprobe_handler_called; +static int tests_failed; #define FUNC_ARG1 0x12345678 #define FUNC_ARG2 0xabcdef @@ -461,6 +462,13 @@ static int run_api_tests(long (*func)(long, long)) pr_info(" jprobe\n"); ret = test_jprobe(func); +#if defined(CONFIG_THUMB2_KERNEL) && !defined(MODULE) + if (ret == -EINVAL) { + pr_err("FAIL: Known longtime bug with jprobe on Thumb kernels\n"); + tests_failed = ret; + ret = 0; + } +#endif if (ret < 0) return ret; @@ -1672,6 +1680,8 @@ static int __init run_all_tests(void) out: if (ret == 0) + ret = tests_failed; + if (ret == 0) pr_info("Finished kprobe tests OK\n"); else pr_err("kprobe tests failed\n"); diff --git a/arch/arm/kernel/probes-arm.c b/arch/arm/kernel/probes-arm.c index 51a13a0..8eaef81 100644 --- a/arch/arm/kernel/probes-arm.c +++ b/arch/arm/kernel/probes-arm.c @@ -341,12 +341,12 @@ static const union decode_item arm_cccc_000x_table[] = { /* CMP (reg-shift reg) cccc 0001 0101 xxxx xxxx xxxx 0xx1 xxxx */ /* CMN (reg-shift reg) cccc 0001 0111 xxxx xxxx xxxx 0xx1 xxxx */ DECODE_EMULATEX (0x0f900090, 0x01100010, PROBES_DATA_PROCESSING_REG, - REGS(ANY, 0, NOPC, 0, ANY)), + REGS(NOPC, 0, NOPC, 0, NOPC)), /* MOV (reg-shift reg) cccc 0001 101x xxxx xxxx xxxx 0xx1 xxxx */ /* MVN (reg-shift reg) cccc 0001 111x xxxx xxxx xxxx 0xx1 xxxx */ DECODE_EMULATEX (0x0fa00090, 0x01a00010, PROBES_DATA_PROCESSING_REG, - REGS(0, ANY, NOPC, 0, ANY)), + REGS(0, NOPC, NOPC, 0, NOPC)), /* AND (reg-shift reg) cccc 0000 000x xxxx xxxx xxxx 0xx1 xxxx */ /* EOR (reg-shift reg) cccc 0000 001x xxxx xxxx xxxx 0xx1 xxxx */ @@ -359,7 +359,7 @@ static const union decode_item arm_cccc_000x_table[] = { /* ORR (reg-shift reg) cccc 0001 100x xxxx xxxx xxxx 0xx1 xxxx */ /* BIC (reg-shift reg) cccc 0001 110x xxxx xxxx xxxx 0xx1 xxxx */ DECODE_EMULATEX (0x0e000090, 0x00000010, PROBES_DATA_PROCESSING_REG, - REGS(ANY, ANY, NOPC, 0, ANY)), + REGS(NOPC, NOPC, NOPC, 0, NOPC)), DECODE_END }; diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index f38cf7c..46d893f 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -173,10 +173,8 @@ static struct platform_device exynos_cpuidle = { void __init exynos_cpuidle_init(void) { - if (soc_is_exynos5440()) - return; - - platform_device_register(&exynos_cpuidle); + if (soc_is_exynos4210() || soc_is_exynos5250()) + platform_device_register(&exynos_cpuidle); } void __init exynos_cpufreq_init(void) @@ -297,7 +295,7 @@ static void __init exynos_dt_machine_init(void) * This is called from smp_prepare_cpus if we've built for SMP, but * we still need to set it up for PM and firmware ops if not. */ - if (!IS_ENABLED(SMP)) + if (!IS_ENABLED(CONFIG_SMP)) exynos_sysram_init(); exynos_cpuidle_init(); diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index eb91d23..e8797bb 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -57,8 +57,13 @@ static int exynos_set_cpu_boot_addr(int cpu, unsigned long boot_addr) boot_reg = sysram_ns_base_addr + 0x1c; - if (!soc_is_exynos4212() && !soc_is_exynos3250()) - boot_reg += 4*cpu; + /* + * Almost all Exynos-series of SoCs that run in secure mode don't need + * additional offset for every CPU, with Exynos4412 being the only + * exception. + */ + if (soc_is_exynos4412()) + boot_reg += 4 * cpu; __raw_writel(boot_addr, boot_reg); return 0; diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c index fe6570e..797cb13 100644 --- a/arch/arm/mach-exynos/pm_domains.c +++ b/arch/arm/mach-exynos/pm_domains.c @@ -17,6 +17,7 @@ #include <linux/err.h> #include <linux/slab.h> #include <linux/pm_domain.h> +#include <linux/clk.h> #include <linux/delay.h> #include <linux/of_address.h> #include <linux/of_platform.h> @@ -24,6 +25,8 @@ #include "regs-pmu.h" +#define MAX_CLK_PER_DOMAIN 4 + /* * Exynos specific wrapper around the generic power domain */ @@ -32,6 +35,9 @@ struct exynos_pm_domain { char const *name; bool is_off; struct generic_pm_domain pd; + struct clk *oscclk; + struct clk *clk[MAX_CLK_PER_DOMAIN]; + struct clk *pclk[MAX_CLK_PER_DOMAIN]; }; static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) @@ -44,6 +50,19 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) pd = container_of(domain, struct exynos_pm_domain, pd); base = pd->base; + /* Set oscclk before powering off a domain*/ + if (!power_on) { + int i; + + for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) { + if (IS_ERR(pd->clk[i])) + break; + if (clk_set_parent(pd->clk[i], pd->oscclk)) + pr_err("%s: error setting oscclk as parent to clock %d\n", + pd->name, i); + } + } + pwr = power_on ? S5P_INT_LOCAL_PWR_EN : 0; __raw_writel(pwr, base); @@ -60,6 +79,20 @@ static int exynos_pd_power(struct generic_pm_domain *domain, bool power_on) cpu_relax(); usleep_range(80, 100); } + + /* Restore clocks after powering on a domain*/ + if (power_on) { + int i; + + for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) { + if (IS_ERR(pd->clk[i])) + break; + if (clk_set_parent(pd->clk[i], pd->pclk[i])) + pr_err("%s: error setting parent to clock%d\n", + pd->name, i); + } + } + return 0; } @@ -152,9 +185,11 @@ static __init int exynos4_pm_init_power_domain(void) for_each_compatible_node(np, NULL, "samsung,exynos4210-pd") { struct exynos_pm_domain *pd; - int on; + int on, i; + struct device *dev; pdev = of_find_device_by_node(np); + dev = &pdev->dev; pd = kzalloc(sizeof(*pd), GFP_KERNEL); if (!pd) { @@ -170,6 +205,30 @@ static __init int exynos4_pm_init_power_domain(void) pd->pd.power_on = exynos_pd_power_on; pd->pd.of_node = np; + pd->oscclk = clk_get(dev, "oscclk"); + if (IS_ERR(pd->oscclk)) + goto no_clk; + + for (i = 0; i < MAX_CLK_PER_DOMAIN; i++) { + char clk_name[8]; + + snprintf(clk_name, sizeof(clk_name), "clk%d", i); + pd->clk[i] = clk_get(dev, clk_name); + if (IS_ERR(pd->clk[i])) + break; + snprintf(clk_name, sizeof(clk_name), "pclk%d", i); + pd->pclk[i] = clk_get(dev, clk_name); + if (IS_ERR(pd->pclk[i])) { + clk_put(pd->clk[i]); + pd->clk[i] = ERR_PTR(-EINVAL); + break; + } + } + + if (IS_ERR(pd->clk[0])) + clk_put(pd->oscclk); + +no_clk: platform_set_drvdata(pdev, pd); on = __raw_readl(pd->base + 0x4) & S5P_INT_LOCAL_PWR_EN; diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c index 4ba587d..84acdfd 100644 --- a/arch/arm/mach-imx/clk-gate2.c +++ b/arch/arm/mach-imx/clk-gate2.c @@ -67,8 +67,12 @@ static void clk_gate2_disable(struct clk_hw *hw) spin_lock_irqsave(gate->lock, flags); - if (gate->share_count && --(*gate->share_count) > 0) - goto out; + if (gate->share_count) { + if (WARN_ON(*gate->share_count == 0)) + goto out; + else if (--(*gate->share_count) > 0) + goto out; + } reg = readl(gate->reg); reg &= ~(3 << gate->bit_idx); @@ -78,19 +82,26 @@ out: spin_unlock_irqrestore(gate->lock, flags); } -static int clk_gate2_is_enabled(struct clk_hw *hw) +static int clk_gate2_reg_is_enabled(void __iomem *reg, u8 bit_idx) { - u32 reg; - struct clk_gate2 *gate = to_clk_gate2(hw); + u32 val = readl(reg); - reg = readl(gate->reg); - - if (((reg >> gate->bit_idx) & 1) == 1) + if (((val >> bit_idx) & 1) == 1) return 1; return 0; } +static int clk_gate2_is_enabled(struct clk_hw *hw) +{ + struct clk_gate2 *gate = to_clk_gate2(hw); + + if (gate->share_count) + return !!(*gate->share_count); + else + return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx); +} + static struct clk_ops clk_gate2_ops = { .enable = clk_gate2_enable, .disable = clk_gate2_disable, @@ -116,6 +127,10 @@ struct clk *clk_register_gate2(struct device *dev, const char *name, gate->bit_idx = bit_idx; gate->flags = clk_gate2_flags; gate->lock = lock; + + /* Initialize share_count per hardware state */ + if (share_count) + *share_count = clk_gate2_reg_is_enabled(reg, bit_idx) ? 1 : 0; gate->share_count = share_count; init.name = name; diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index 2ecb828..1636cdb 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -7,7 +7,7 @@ CFLAGS_pmsu.o := -march=armv7-a obj-y += system-controller.o mvebu-soc-id.o ifeq ($(CONFIG_MACH_MVEBU_V7),y) -obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o +obj-y += cpu-reset.o board-v7.o coherency.o coherency_ll.o pmsu.o pmsu_ll.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o platsmp-a9.o headsmp-a9.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o endif diff --git a/arch/arm/mach-mvebu/board-v7.c b/arch/arm/mach-mvebu/board-v7.c index 8bb742f..b2524d6 100644 --- a/arch/arm/mach-mvebu/board-v7.c +++ b/arch/arm/mach-mvebu/board-v7.c @@ -23,6 +23,7 @@ #include <linux/mbus.h> #include <linux/signal.h> #include <linux/slab.h> +#include <linux/irqchip.h> #include <asm/hardware/cache-l2x0.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -71,17 +72,23 @@ static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr, return 1; } -static void __init mvebu_timer_and_clk_init(void) +static void __init mvebu_init_irq(void) { - of_clk_init(NULL); - clocksource_of_init(); + irqchip_init(); mvebu_scu_enable(); coherency_init(); BUG_ON(mvebu_mbus_dt_init(coherency_available())); +} + +static void __init external_abort_quirk(void) +{ + u32 dev, rev; - if (of_machine_is_compatible("marvell,armada375")) - hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0, - "imprecise external abort"); + if (mvebu_get_soc_id(&dev, &rev) == 0 && rev > ARMADA_375_Z1_REV) + return; + + hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0, + "imprecise external abort"); } static void __init i2c_quirk(void) @@ -169,8 +176,10 @@ static void __init mvebu_dt_init(void) { if (of_machine_is_compatible("plathome,openblocks-ax3-4")) i2c_quirk(); - if (of_machine_is_compatible("marvell,a375-db")) + if (of_machine_is_compatible("marvell,a375-db")) { + external_abort_quirk(); thermal_quirk(); + } of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } @@ -185,7 +194,7 @@ DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)") .l2c_aux_mask = ~0, .smp = smp_ops(armada_xp_smp_ops), .init_machine = mvebu_dt_init, - .init_time = mvebu_timer_and_clk_init, + .init_irq = mvebu_init_irq, .restart = mvebu_restart, .dt_compat = armada_370_xp_dt_compat, MACHINE_END @@ -198,7 +207,7 @@ static const char * const armada_375_dt_compat[] = { DT_MACHINE_START(ARMADA_375_DT, "Marvell Armada 375 (Device Tree)") .l2c_aux_val = 0, .l2c_aux_mask = ~0, - .init_time = mvebu_timer_and_clk_init, + .init_irq = mvebu_init_irq, .init_machine = mvebu_dt_init, .restart = mvebu_restart, .dt_compat = armada_375_dt_compat, @@ -213,7 +222,7 @@ static const char * const armada_38x_dt_compat[] = { DT_MACHINE_START(ARMADA_38X_DT, "Marvell Armada 380/385 (Device Tree)") .l2c_aux_val = 0, .l2c_aux_mask = ~0, - .init_time = mvebu_timer_and_clk_init, + .init_irq = mvebu_init_irq, .restart = mvebu_restart, .dt_compat = armada_38x_dt_compat, MACHINE_END diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 53a55c8..a1d407c 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -66,6 +66,8 @@ static void __iomem *pmsu_mp_base; extern void ll_disable_coherency(void); extern void ll_enable_coherency(void); +extern void armada_370_xp_cpu_resume(void); + static struct platform_device armada_xp_cpuidle_device = { .name = "cpuidle-armada-370-xp", }; @@ -140,13 +142,6 @@ static void armada_370_xp_pmsu_enable_l2_powerdown_onidle(void) writel(reg, pmsu_mp_base + L2C_NFABRIC_PM_CTL); } -static void armada_370_xp_cpu_resume(void) -{ - asm volatile("bl ll_add_cpu_to_smp_group\n\t" - "bl ll_enable_coherency\n\t" - "b cpu_resume\n\t"); -} - /* No locking is needed because we only access per-CPU registers */ void armada_370_xp_pmsu_idle_prepare(bool deepidle) { diff --git a/arch/arm/mach-mvebu/pmsu_ll.S b/arch/arm/mach-mvebu/pmsu_ll.S new file mode 100644 index 0000000..fc3de68 --- /dev/null +++ b/arch/arm/mach-mvebu/pmsu_ll.S @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2014 Marvell + * + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> + * Gregory Clement <gregory.clement@free-electrons.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +/* + * This is the entry point through which CPUs exiting cpuidle deep + * idle state are going. + */ +ENTRY(armada_370_xp_cpu_resume) +ARM_BE8(setend be ) @ go BE8 if entered LE + bl ll_add_cpu_to_smp_group + bl ll_enable_coherency + b cpu_resume +ENDPROC(armada_370_xp_cpu_resume) + diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 8421f38..8ca99e9 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -110,14 +110,16 @@ obj-y += prm_common.o cm_common.o obj-$(CONFIG_ARCH_OMAP2) += prm2xxx_3xxx.o prm2xxx.o cm2xxx.o obj-$(CONFIG_ARCH_OMAP3) += prm2xxx_3xxx.o prm3xxx.o cm3xxx.o obj-$(CONFIG_ARCH_OMAP3) += vc3xxx_data.o vp3xxx_data.o -obj-$(CONFIG_SOC_AM33XX) += prm33xx.o cm33xx.o omap-prcm-4-5-common = cminst44xx.o cm44xx.o prm44xx.o \ prcm_mpu44xx.o prminst44xx.o \ vc44xx_data.o vp44xx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(omap-prcm-4-5-common) obj-$(CONFIG_SOC_OMAP5) += $(omap-prcm-4-5-common) obj-$(CONFIG_SOC_DRA7XX) += $(omap-prcm-4-5-common) -obj-$(CONFIG_SOC_AM43XX) += $(omap-prcm-4-5-common) +am33xx-43xx-prcm-common += prm33xx.o cm33xx.o +obj-$(CONFIG_SOC_AM33XX) += $(am33xx-43xx-prcm-common) +obj-$(CONFIG_SOC_AM43XX) += $(omap-prcm-4-5-common) \ + $(am33xx-43xx-prcm-common) # OMAP voltage domains voltagedomain-common := voltage.o vc.o vp.o diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 332af92..67fd26a 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -76,7 +76,7 @@ * (assuming that it is counting N upwards), or -2 if the enclosing loop * should skip to the next iteration (again assuming N is increasing). */ -static int _dpll_test_fint(struct clk_hw_omap *clk, u8 n) +static int _dpll_test_fint(struct clk_hw_omap *clk, unsigned int n) { struct dpll_data *dd; long fint, fint_min, fint_max; diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h index 04dab2f..ee6c784 100644 --- a/arch/arm/mach-omap2/cm-regbits-34xx.h +++ b/arch/arm/mach-omap2/cm-regbits-34xx.h @@ -26,11 +26,14 @@ #define OMAP3430_EN_WDT3_SHIFT 12 #define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_MASK (1 << 0) #define OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT 0 +#define OMAP3430_IVA2_DPLL_FREQSEL_SHIFT 4 #define OMAP3430_IVA2_DPLL_FREQSEL_MASK (0xf << 4) #define OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT 3 +#define OMAP3430_EN_IVA2_DPLL_SHIFT 0 #define OMAP3430_EN_IVA2_DPLL_MASK (0x7 << 0) #define OMAP3430_ST_IVA2_SHIFT 0 #define OMAP3430_ST_IVA2_CLK_MASK (1 << 0) +#define OMAP3430_AUTO_IVA2_DPLL_SHIFT 0 #define OMAP3430_AUTO_IVA2_DPLL_MASK (0x7 << 0) #define OMAP3430_IVA2_CLK_SRC_SHIFT 19 #define OMAP3430_IVA2_CLK_SRC_WIDTH 3 diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h index 15a778c..bd24417 100644 --- a/arch/arm/mach-omap2/cm33xx.h +++ b/arch/arm/mach-omap2/cm33xx.h @@ -380,7 +380,7 @@ void am33xx_cm_clkdm_disable_hwsup(u16 inst, u16 cdoffs); void am33xx_cm_clkdm_force_sleep(u16 inst, u16 cdoffs); void am33xx_cm_clkdm_force_wakeup(u16 inst, u16 cdoffs); -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) extern int am33xx_cm_wait_module_idle(u16 inst, s16 cdoffs, u16 clkctrl_offs); extern void am33xx_cm_module_enable(u8 mode, u16 inst, s16 cdoffs, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index a373d50..dc571f1 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -162,7 +162,8 @@ static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd) } #endif -#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) +#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX) void omap44xx_restart(enum reboot_mode mode, const char *cmd); #else static inline void omap44xx_restart(enum reboot_mode mode, const char *cmd) @@ -248,7 +249,6 @@ static inline void __iomem *omap4_get_scu_base(void) } #endif -extern void __init gic_init_irq(void); extern void gic_dist_disable(void); extern void gic_dist_enable(void); extern bool gic_dist_disabled(void); diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 592ba0a..b6f8f34 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -297,33 +297,6 @@ static void omap_init_audio(void) static inline void omap_init_audio(void) {} #endif -#if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ - defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) - -static struct platform_device omap_hdmi_audio = { - .name = "omap-hdmi-audio", - .id = -1, -}; - -static void __init omap_init_hdmi_audio(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - - oh = omap_hwmod_lookup("dss_hdmi"); - if (!oh) - return; - - pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0); - WARN(IS_ERR(pdev), - "Can't build omap_device for omap-hdmi-audio-dai.\n"); - - platform_device_register(&omap_hdmi_audio); -} -#else -static inline void omap_init_hdmi_audio(void) {} -#endif - #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) #include <linux/platform_data/spi-omap2-mcspi.h> @@ -459,7 +432,6 @@ static int __init omap2_init_devices(void) */ omap_init_audio(); omap_init_camera(); - omap_init_hdmi_audio(); omap_init_mbox(); /* If dtb is there, the devices will be created dynamically */ if (!of_have_populated_dt()) { diff --git a/arch/arm/mach-omap2/dsp.c b/arch/arm/mach-omap2/dsp.c index b8208b4..f7492df 100644 --- a/arch/arm/mach-omap2/dsp.c +++ b/arch/arm/mach-omap2/dsp.c @@ -29,6 +29,7 @@ #ifdef CONFIG_TIDSPBRIDGE_DVFS #include "omap-pm.h" #endif +#include "soc.h" #include <linux/platform_data/dsp-omap.h> @@ -59,6 +60,9 @@ void __init omap_dsp_reserve_sdram_memblock(void) phys_addr_t size = CONFIG_TIDSPBRIDGE_MEMPOOL_SIZE; phys_addr_t paddr; + if (!cpu_is_omap34xx()) + return; + if (!size) return; @@ -83,6 +87,9 @@ static int __init omap_dsp_init(void) int err = -ENOMEM; struct omap_dsp_platform_data *pdata = &omap_dsp_pdata; + if (!cpu_is_omap34xx()) + return 0; + pdata->phys_mempool_base = omap_dsp_get_mempool_base(); if (pdata->phys_mempool_base) { @@ -115,6 +122,9 @@ module_init(omap_dsp_init); static void __exit omap_dsp_exit(void) { + if (!cpu_is_omap34xx()) + return; + platform_device_unregister(omap_dsp_pdev); } module_exit(omap_dsp_exit); diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 2c0c281..8bc1338 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1615,7 +1615,7 @@ static int gpmc_probe_dt(struct platform_device *pdev) return ret; } - for_each_child_of_node(pdev->dev.of_node, child) { + for_each_available_child_of_node(pdev->dev.of_node, child) { if (!child->name) continue; diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 43969da..d42022f 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -649,6 +649,18 @@ void __init dra7xxx_check_revision(void) } break; + case 0xb9bc: + switch (rev) { + case 0: + omap_revision = DRA722_REV_ES1_0; + break; + default: + /* If we have no new revisions */ + omap_revision = DRA722_REV_ES1_0; + break; + } + break; + default: /* Unknown default to latest silicon rev as default*/ pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%d)\n", diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index fd88ede..f62f753 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -183,8 +183,10 @@ static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition, m0_entry = mux->muxnames[0]; /* First check for full name in mode0.muxmode format */ - if (mode0_len && strncmp(muxname, m0_entry, mode0_len)) - continue; + if (mode0_len) + if (strncmp(muxname, m0_entry, mode0_len) || + (strlen(m0_entry) != mode0_len)) + continue; /* Then check for muxmode only */ for (i = 0; i < OMAP_MUX_NR_MODES; i++) { diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 326cd98..539e810 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -102,26 +102,6 @@ void __init omap_barriers_init(void) {} #endif -void __init gic_init_irq(void) -{ - void __iomem *omap_irq_base; - - /* Static mapping, never released */ - gic_dist_base_addr = ioremap(OMAP44XX_GIC_DIST_BASE, SZ_4K); - BUG_ON(!gic_dist_base_addr); - - twd_base = ioremap(OMAP44XX_LOCAL_TWD_BASE, SZ_4K); - BUG_ON(!twd_base); - - /* Static mapping, never released */ - omap_irq_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512); - BUG_ON(!omap_irq_base); - - omap_wakeupgen_init(); - - gic_init(0, 29, gic_dist_base_addr, omap_irq_base); -} - void gic_dist_disable(void) { if (gic_dist_base_addr) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index f7bb435..6c074f3 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -4251,9 +4251,9 @@ void __init omap_hwmod_init(void) soc_ops.enable_module = _omap4_enable_module; soc_ops.disable_module = _omap4_disable_module; soc_ops.wait_target_ready = _omap4_wait_target_ready; - soc_ops.assert_hardreset = _omap4_assert_hardreset; - soc_ops.deassert_hardreset = _omap4_deassert_hardreset; - soc_ops.is_hardreset_asserted = _omap4_is_hardreset_asserted; + soc_ops.assert_hardreset = _am33xx_assert_hardreset; + soc_ops.deassert_hardreset = _am33xx_deassert_hardreset; + soc_ops.is_hardreset_asserted = _am33xx_is_hardreset_asserted; soc_ops.init_clkdm = _init_clkdm; } else if (soc_is_am33xx()) { soc_ops.enable_module = _am33xx_enable_module; diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index 290213f..1103aa0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -2020,6 +2020,77 @@ static struct omap_hwmod omap54xx_wd_timer2_hwmod = { }, }; +/* + * 'ocp2scp' class + * bridge to transform ocp interface protocol to scp (serial control port) + * protocol + */ +/* ocp2scp3 */ +static struct omap_hwmod omap54xx_ocp2scp3_hwmod; +/* l4_cfg -> ocp2scp3 */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__ocp2scp3 = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_ocp2scp3_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap54xx_ocp2scp3_hwmod = { + .name = "ocp2scp3", + .class = &omap54xx_ocp2scp_hwmod_class, + .clkdm_name = "l3init_clkdm", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_OCP2SCP3_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_OCP2SCP3_CONTEXT_OFFSET, + .modulemode = MODULEMODE_HWCTRL, + }, + }, +}; + +/* + * 'sata' class + * sata: serial ata interface gen2 compliant ( 1 rx/ 1 tx) + */ + +static struct omap_hwmod_class_sysconfig omap54xx_sata_sysc = { + .sysc_offs = 0x0000, + .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class omap54xx_sata_hwmod_class = { + .name = "sata", + .sysc = &omap54xx_sata_sysc, +}; + +/* sata */ +static struct omap_hwmod omap54xx_sata_hwmod = { + .name = "sata", + .class = &omap54xx_sata_hwmod_class, + .clkdm_name = "l3init_clkdm", + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, + .main_clk = "func_48m_fclk", + .mpu_rt_idx = 1, + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_SATA_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_SATA_CONTEXT_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* l4_cfg -> sata */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__sata = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_sata_hwmod, + .clk = "l3_iclk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; /* * Interfaces @@ -2765,6 +2836,8 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = { &omap54xx_l4_cfg__usb_tll_hs, &omap54xx_l4_cfg__usb_otg_ss, &omap54xx_l4_wkup__wd_timer2, + &omap54xx_l4_cfg__ocp2scp3, + &omap54xx_l4_cfg__sata, NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 20b4398..284324f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c @@ -1268,9 +1268,6 @@ static struct omap_hwmod_class dra7xx_sata_hwmod_class = { }; /* sata */ -static struct omap_hwmod_opt_clk sata_opt_clks[] = { - { .role = "ref_clk", .clk = "sata_ref_clk" }, -}; static struct omap_hwmod dra7xx_sata_hwmod = { .name = "sata", @@ -1278,6 +1275,7 @@ static struct omap_hwmod dra7xx_sata_hwmod = { .clkdm_name = "l3init_clkdm", .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, .main_clk = "func_48m_fclk", + .mpu_rt_idx = 1, .prcm = { .omap4 = { .clkctrl_offs = DRA7XX_CM_L3INIT_SATA_CLKCTRL_OFFSET, @@ -1285,8 +1283,6 @@ static struct omap_hwmod dra7xx_sata_hwmod = { .modulemode = MODULEMODE_SWCTRL, }, }, - .opt_clks = sata_opt_clks, - .opt_clks_cnt = ARRAY_SIZE(sata_opt_clks), }; /* @@ -1731,8 +1727,20 @@ static struct omap_hwmod dra7xx_uart6_hwmod = { * */ +static struct omap_hwmod_class_sysconfig dra7xx_usb_otg_ss_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .sysc_flags = (SYSC_HAS_DMADISABLE | SYSC_HAS_MIDLEMODE | + SYSC_HAS_SIDLEMODE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + static struct omap_hwmod_class dra7xx_usb_otg_ss_hwmod_class = { .name = "usb_otg_ss", + .sysc = &dra7xx_usb_otg_ss_sysc, }; /* usb_otg_ss1 */ diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h index 106132d..cbefbd7 100644 --- a/arch/arm/mach-omap2/prm-regbits-34xx.h +++ b/arch/arm/mach-omap2/prm-regbits-34xx.h @@ -35,6 +35,8 @@ #define OMAP3430_LOGICSTATEST_MASK (1 << 2) #define OMAP3430_LASTLOGICSTATEENTERED_MASK (1 << 2) #define OMAP3430_LASTPOWERSTATEENTERED_MASK (0x3 << 0) +#define OMAP3430_GRPSEL_MCBSP5_MASK (1 << 10) +#define OMAP3430_GRPSEL_MCBSP1_MASK (1 << 9) #define OMAP3630_GRPSEL_UART4_MASK (1 << 18) #define OMAP3430_GRPSEL_GPIO6_MASK (1 << 17) #define OMAP3430_GRPSEL_GPIO5_MASK (1 << 16) @@ -42,6 +44,10 @@ #define OMAP3430_GRPSEL_GPIO3_MASK (1 << 14) #define OMAP3430_GRPSEL_GPIO2_MASK (1 << 13) #define OMAP3430_GRPSEL_UART3_MASK (1 << 11) +#define OMAP3430_GRPSEL_GPT8_MASK (1 << 9) +#define OMAP3430_GRPSEL_GPT7_MASK (1 << 8) +#define OMAP3430_GRPSEL_GPT6_MASK (1 << 7) +#define OMAP3430_GRPSEL_GPT5_MASK (1 << 6) #define OMAP3430_GRPSEL_MCBSP4_MASK (1 << 2) #define OMAP3430_GRPSEL_MCBSP3_MASK (1 << 1) #define OMAP3430_GRPSEL_MCBSP2_MASK (1 << 0) diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index de2a34c..01ca808 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -462,6 +462,7 @@ IS_OMAP_TYPE(3430, 0x3430) #define DRA7XX_CLASS 0x07000000 #define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) #define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) +#define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8)) void omap2xxx_check_revision(void); void omap3xxx_check_revision(void); diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 3f9587b..b608508 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -12,8 +12,81 @@ #include <linux/clk-provider.h> #include <linux/clocksource.h> +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/io.h> +#include <linux/reboot.h> #include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/system_misc.h> + +#define SUN4I_WATCHDOG_CTRL_REG 0x00 +#define SUN4I_WATCHDOG_CTRL_RESTART BIT(0) +#define SUN4I_WATCHDOG_MODE_REG 0x04 +#define SUN4I_WATCHDOG_MODE_ENABLE BIT(0) +#define SUN4I_WATCHDOG_MODE_RESET_ENABLE BIT(1) + +#define SUN6I_WATCHDOG1_IRQ_REG 0x00 +#define SUN6I_WATCHDOG1_CTRL_REG 0x10 +#define SUN6I_WATCHDOG1_CTRL_RESTART BIT(0) +#define SUN6I_WATCHDOG1_CONFIG_REG 0x14 +#define SUN6I_WATCHDOG1_CONFIG_RESTART BIT(0) +#define SUN6I_WATCHDOG1_CONFIG_IRQ BIT(1) +#define SUN6I_WATCHDOG1_MODE_REG 0x18 +#define SUN6I_WATCHDOG1_MODE_ENABLE BIT(0) + +static void __iomem *wdt_base; + +static void sun4i_restart(enum reboot_mode mode, const char *cmd) +{ + if (!wdt_base) + return; + + /* Enable timer and set reset bit in the watchdog */ + writel(SUN4I_WATCHDOG_MODE_ENABLE | SUN4I_WATCHDOG_MODE_RESET_ENABLE, + wdt_base + SUN4I_WATCHDOG_MODE_REG); + + /* + * Restart the watchdog. The default (and lowest) interval + * value for the watchdog is 0.5s. + */ + writel(SUN4I_WATCHDOG_CTRL_RESTART, wdt_base + SUN4I_WATCHDOG_CTRL_REG); + + while (1) { + mdelay(5); + writel(SUN4I_WATCHDOG_MODE_ENABLE | SUN4I_WATCHDOG_MODE_RESET_ENABLE, + wdt_base + SUN4I_WATCHDOG_MODE_REG); + } +} + +static struct of_device_id sunxi_restart_ids[] = { + { .compatible = "allwinner,sun4i-a10-wdt" }, + { /*sentinel*/ } +}; + +static void sunxi_setup_restart(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, sunxi_restart_ids); + if (WARN(!np, "unable to setup watchdog restart")) + return; + + wdt_base = of_iomap(np, 0); + WARN(!wdt_base, "failed to map watchdog base address"); +} + +static void __init sunxi_dt_init(void) +{ + sunxi_setup_restart(); + + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} static const char * const sunxi_board_dt_compat[] = { "allwinner,sun4i-a10", @@ -23,7 +96,9 @@ static const char * const sunxi_board_dt_compat[] = { }; DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") + .init_machine = sunxi_dt_init, .dt_compat = sunxi_board_dt_compat, + .restart = sun4i_restart, MACHINE_END static const char * const sun6i_board_dt_compat[] = { @@ -51,5 +126,7 @@ static const char * const sun7i_board_dt_compat[] = { }; DT_MACHINE_START(SUN7I_DT, "Allwinner sun7i (A20) Family") + .init_machine = sunxi_dt_init, .dt_compat = sun7i_board_dt_compat, + .restart = sun4i_restart, MACHINE_END diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 076172b..7c3fb41 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -664,7 +664,7 @@ static int l2c310_cpu_enable_flz(struct notifier_block *nb, unsigned long act, v static void __init l2c310_enable(void __iomem *base, u32 aux, unsigned num_lock) { - unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_PART_MASK; + unsigned rev = readl_relaxed(base + L2X0_CACHE_ID) & L2X0_CACHE_ID_RTL_MASK; bool cortex_a9 = read_cpuid_part_number() == ARM_CPU_PART_CORTEX_A9; if (rev >= L310_CACHE_ID_RTL_R2P0) { diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index 993bce5..902eb70 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -56,6 +56,8 @@ #define TASK_SIZE_32 UL(0x100000000) #define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \ TASK_SIZE_32 : TASK_SIZE_64) +#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ + TASK_SIZE_32 : TASK_SIZE_64) #else #define TASK_SIZE TASK_SIZE_64 #endif /* CONFIG_COMPAT */ diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 5797020..e0ccceb 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -292,7 +292,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, #define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \ PMD_TYPE_SECT) -#ifdef ARM64_64K_PAGES +#ifdef CONFIG_ARM64_64K_PAGES #define pud_sect(pud) (0) #else #define pud_sect(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \ diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h index a429b59..501000f 100644 --- a/arch/arm64/include/asm/ptrace.h +++ b/arch/arm64/include/asm/ptrace.h @@ -21,6 +21,10 @@ #include <uapi/asm/ptrace.h> +/* Current Exception Level values, as contained in CurrentEL */ +#define CurrentEL_EL1 (1 << 2) +#define CurrentEL_EL2 (2 << 2) + /* AArch32-specific ptrace requests */ #define COMPAT_PTRACE_GETREGS 12 #define COMPAT_PTRACE_SETREGS 13 diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S index 66716c9..619b1dd 100644 --- a/arch/arm64/kernel/efi-entry.S +++ b/arch/arm64/kernel/efi-entry.S @@ -78,8 +78,7 @@ ENTRY(efi_stub_entry) /* Turn off Dcache and MMU */ mrs x0, CurrentEL - cmp x0, #PSR_MODE_EL2t - ccmp x0, #PSR_MODE_EL2h, #0x4, ne + cmp x0, #CurrentEL_EL2 b.ne 1f mrs x0, sctlr_el2 bic x0, x0, #1 << 0 // clear SCTLR.M diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index a96d3a6..a2c1195 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -270,8 +270,7 @@ ENDPROC(stext) */ ENTRY(el2_setup) mrs x0, CurrentEL - cmp x0, #PSR_MODE_EL2t - ccmp x0, #PSR_MODE_EL2h, #0x4, ne + cmp x0, #CurrentEL_EL2 b.ne 1f mrs x0, sctlr_el2 CPU_BE( orr x0, x0, #(1 << 25) ) // Set the EE bit for EL2 diff --git a/arch/arm64/mm/copypage.c b/arch/arm64/mm/copypage.c index 9aecbac..13bbc3be 100644 --- a/arch/arm64/mm/copypage.c +++ b/arch/arm64/mm/copypage.c @@ -27,8 +27,10 @@ void __cpu_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr) copy_page(kto, kfrom); __flush_dcache_area(kto, PAGE_SIZE); } +EXPORT_SYMBOL_GPL(__cpu_copy_user_page); void __cpu_clear_user_page(void *kaddr, unsigned long vaddr) { clear_page(kaddr); } +EXPORT_SYMBOL_GPL(__cpu_clear_user_page); diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index e4193e3..0d64089 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -79,7 +79,8 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr) return; if (!test_and_set_bit(PG_dcache_clean, &page->flags)) { - __flush_dcache_area(page_address(page), PAGE_SIZE); + __flush_dcache_area(page_address(page), + PAGE_SIZE << compound_order(page)); __flush_icache_all(); } else if (icache_is_aivivt()) { __flush_icache_all(); diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index dbb118e..a5478845 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -921,7 +921,8 @@ L(nocon): jls 1f lsrl #1,%d1 1: - movel %d1,m68k_init_mapped_size + lea %pc@(m68k_init_mapped_size),%a0 + movel %d1,%a0@ mmu_map #PAGE_OFFSET,%pc@(L(phys_kernel_start)),%d1,\ %pc@(m68k_supervisor_cachemode) diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c index 958f1ad..3857737 100644 --- a/arch/m68k/kernel/time.c +++ b/arch/m68k/kernel/time.c @@ -11,6 +11,7 @@ */ #include <linux/errno.h> +#include <linux/export.h> #include <linux/module.h> #include <linux/sched.h> #include <linux/kernel.h> @@ -30,6 +31,7 @@ unsigned long (*mach_random_get_entropy)(void); +EXPORT_SYMBOL_GPL(mach_random_get_entropy); /* diff --git a/arch/mips/kvm/kvm_mips.c b/arch/mips/kvm/kvm_mips.c index cd5e4f5..f3c56a1 100644 --- a/arch/mips/kvm/kvm_mips.c +++ b/arch/mips/kvm/kvm_mips.c @@ -384,6 +384,7 @@ void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) kfree(vcpu->arch.guest_ebase); kfree(vcpu->arch.kseg0_commpage); + kfree(vcpu); } void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index 608716f..af3bc35 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -1210,7 +1210,8 @@ static struct hp_hardware hp_hardware_list[] = { {HPHW_FIO, 0x004, 0x00320, 0x0, "Metheus Frame Buffer"}, {HPHW_FIO, 0x004, 0x00340, 0x0, "BARCO CX4500 VME Grphx Cnsl"}, {HPHW_FIO, 0x004, 0x00360, 0x0, "Hughes TOG VME FDDI"}, - {HPHW_FIO, 0x076, 0x000AD, 0x00, "Crestone Peak RS-232"}, + {HPHW_FIO, 0x076, 0x000AD, 0x0, "Crestone Peak Core RS-232"}, + {HPHW_FIO, 0x077, 0x000AD, 0x0, "Crestone Peak Fast? Core RS-232"}, {HPHW_IOA, 0x185, 0x0000B, 0x00, "Java BC Summit Port"}, {HPHW_IOA, 0x1FF, 0x0000B, 0x00, "Hitachi Ghostview Summit Port"}, {HPHW_IOA, 0x580, 0x0000B, 0x10, "U2-IOA BC Runway Port"}, diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index bb9f3b6..93c1963 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -4,6 +4,7 @@ * Copyright (C) 2000-2001 Hewlett Packard Company * Copyright (C) 2000 John Marvin * Copyright (C) 2001 Matthew Wilcox + * Copyright (C) 2014 Helge Deller <deller@gmx.de> * * These routines maintain argument size conversion between 32bit and 64bit * environment. Based heavily on sys_ia32.c and sys_sparc32.c. @@ -11,44 +12,8 @@ #include <linux/compat.h> #include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/fs.h> -#include <linux/mm.h> -#include <linux/file.h> -#include <linux/signal.h> -#include <linux/resource.h> -#include <linux/times.h> -#include <linux/time.h> -#include <linux/smp.h> -#include <linux/sem.h> -#include <linux/shm.h> -#include <linux/slab.h> -#include <linux/uio.h> -#include <linux/ncp_fs.h> -#include <linux/poll.h> -#include <linux/personality.h> -#include <linux/stat.h> -#include <linux/highmem.h> -#include <linux/highuid.h> -#include <linux/mman.h> -#include <linux/binfmts.h> -#include <linux/namei.h> -#include <linux/vfs.h> -#include <linux/ptrace.h> -#include <linux/swap.h> #include <linux/syscalls.h> -#include <asm/types.h> -#include <asm/uaccess.h> -#include <asm/mmu_context.h> - -#undef DEBUG - -#ifdef DEBUG -#define DBG(x) printk x -#else -#define DBG(x) -#endif asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23, int r22, int r21, int r20) @@ -57,3 +22,12 @@ asmlinkage long sys32_unimplemented(int r26, int r25, int r24, int r23, current->comm, current->pid, r20); return -ENOSYS; } + +asmlinkage long sys32_fanotify_mark(compat_int_t fanotify_fd, compat_uint_t flags, + compat_uint_t mask0, compat_uint_t mask1, compat_int_t dfd, + const char __user * pathname) +{ + return sys_fanotify_mark(fanotify_fd, flags, + ((__u64)mask1 << 32) | mask0, + dfd, pathname); +} diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index c5fa7a6..84c5d3a 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -418,7 +418,7 @@ ENTRY_SAME(accept4) /* 320 */ ENTRY_SAME(prlimit64) ENTRY_SAME(fanotify_init) - ENTRY_COMP(fanotify_mark) + ENTRY_DIFF(fanotify_mark) ENTRY_COMP(clock_adjtime) ENTRY_SAME(name_to_handle_at) /* 325 */ ENTRY_COMP(open_by_handle_at) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index bd6dd6e..fefe7c8 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -414,7 +414,7 @@ config KEXEC config CRASH_DUMP bool "Build a kdump crash kernel" depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP) - select RELOCATABLE if PPC64 || 44x || FSL_BOOKE + select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x || FSL_BOOKE help Build a kernel suitable for use as a kdump capture kernel. The same kernel binary can be used as production kernel and dump @@ -1017,6 +1017,7 @@ endmenu if PPC64 config RELOCATABLE bool "Build a relocatable kernel" + depends on !COMPILE_TEST select NONSTATIC_KERNEL help This builds a kernel image that is capable of running anywhere diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h index f8d1d6d..e61f24e 100644 --- a/arch/powerpc/include/asm/mmu.h +++ b/arch/powerpc/include/asm/mmu.h @@ -19,8 +19,7 @@ #define MMU_FTR_TYPE_40x ASM_CONST(0x00000004) #define MMU_FTR_TYPE_44x ASM_CONST(0x00000008) #define MMU_FTR_TYPE_FSL_E ASM_CONST(0x00000010) -#define MMU_FTR_TYPE_3E ASM_CONST(0x00000020) -#define MMU_FTR_TYPE_47x ASM_CONST(0x00000040) +#define MMU_FTR_TYPE_47x ASM_CONST(0x00000020) /* * This is individual features @@ -106,13 +105,6 @@ MMU_FTR_CI_LARGE_PAGE #define MMU_FTRS_PA6T MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \ MMU_FTR_CI_LARGE_PAGE | MMU_FTR_NO_SLBIE_B -#define MMU_FTRS_A2 MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX | \ - MMU_FTR_USE_TLBIVAX_BCAST | \ - MMU_FTR_LOCK_BCAST_INVAL | \ - MMU_FTR_USE_TLBRSRV | \ - MMU_FTR_USE_PAIRED_MAS | \ - MMU_FTR_TLBIEL | \ - MMU_FTR_16M_PAGE #ifndef __ASSEMBLY__ #include <asm/cputable.h> diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h index 9ed73714..b3e9360 100644 --- a/arch/powerpc/include/asm/perf_event_server.h +++ b/arch/powerpc/include/asm/perf_event_server.h @@ -61,8 +61,7 @@ struct power_pmu { #define PPMU_SIAR_VALID 0x00000010 /* Processor has SIAR Valid bit */ #define PPMU_HAS_SSLOT 0x00000020 /* Has sampled slot in MMCRA */ #define PPMU_HAS_SIER 0x00000040 /* Has SIER */ -#define PPMU_BHRB 0x00000080 /* has BHRB feature enabled */ -#define PPMU_EBB 0x00000100 /* supports event based branch */ +#define PPMU_ARCH_207S 0x00000080 /* PMC is architecture v2.07S */ /* * Values for flags to get_alternatives() diff --git a/arch/powerpc/kernel/idle_power7.S b/arch/powerpc/kernel/idle_power7.S index 2480256..5cf3d36 100644 --- a/arch/powerpc/kernel/idle_power7.S +++ b/arch/powerpc/kernel/idle_power7.S @@ -131,7 +131,7 @@ _GLOBAL(power7_nap) _GLOBAL(power7_sleep) li r3,1 - li r4,0 + li r4,1 b power7_powersave_common /* No return */ diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 8c86422..731be74 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -127,11 +127,6 @@ BEGIN_FTR_SECTION stw r10, HSTATE_PMC + 24(r13) stw r11, HSTATE_PMC + 28(r13) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201) -BEGIN_FTR_SECTION - mfspr r9, SPRN_SIER - std r8, HSTATE_MMCR + 40(r13) - std r9, HSTATE_MMCR + 48(r13) -END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) 31: /* diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index af3d78e..928ebe7 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -410,17 +410,7 @@ void __init mmu_context_init(void) } else if (mmu_has_feature(MMU_FTR_TYPE_47x)) { first_context = 1; last_context = 65535; - } else -#ifdef CONFIG_PPC_BOOK3E_MMU - if (mmu_has_feature(MMU_FTR_TYPE_3E)) { - u32 mmucfg = mfspr(SPRN_MMUCFG); - u32 pid_bits = (mmucfg & MMUCFG_PIDSIZE_MASK) - >> MMUCFG_PIDSIZE_SHIFT; - first_context = 1; - last_context = (1UL << (pid_bits + 1)) - 1; - } else -#endif - { + } else { first_context = 1; last_context = 255; } diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c index 6dcdade..82e82ca 100644 --- a/arch/powerpc/net/bpf_jit_comp.c +++ b/arch/powerpc/net/bpf_jit_comp.c @@ -390,12 +390,16 @@ static int bpf_jit_build_body(struct sk_filter *fp, u32 *image, case BPF_ANC | SKF_AD_VLAN_TAG: case BPF_ANC | SKF_AD_VLAN_TAG_PRESENT: BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, vlan_tci) != 2); + BUILD_BUG_ON(VLAN_TAG_PRESENT != 0x1000); + PPC_LHZ_OFFS(r_A, r_skb, offsetof(struct sk_buff, vlan_tci)); - if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) - PPC_ANDI(r_A, r_A, VLAN_VID_MASK); - else + if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) { + PPC_ANDI(r_A, r_A, ~VLAN_TAG_PRESENT); + } else { PPC_ANDI(r_A, r_A, VLAN_TAG_PRESENT); + PPC_SRWI(r_A, r_A, 12); + } break; case BPF_ANC | SKF_AD_QUEUE: BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 4520c93..6b0641c 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -485,7 +485,7 @@ static bool is_ebb_event(struct perf_event *event) * check that the PMU supports EBB, meaning those that don't can still * use bit 63 of the event code for something else if they wish. */ - return (ppmu->flags & PPMU_EBB) && + return (ppmu->flags & PPMU_ARCH_207S) && ((event->attr.config >> PERF_EVENT_CONFIG_EBB_SHIFT) & 1); } @@ -777,7 +777,7 @@ void perf_event_print_debug(void) if (ppmu->flags & PPMU_HAS_SIER) sier = mfspr(SPRN_SIER); - if (ppmu->flags & PPMU_EBB) { + if (ppmu->flags & PPMU_ARCH_207S) { pr_info("MMCR2: %016lx EBBHR: %016lx\n", mfspr(SPRN_MMCR2), mfspr(SPRN_EBBHR)); pr_info("EBBRR: %016lx BESCR: %016lx\n", @@ -996,7 +996,22 @@ static void power_pmu_read(struct perf_event *event) } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); local64_add(delta, &event->count); - local64_sub(delta, &event->hw.period_left); + + /* + * A number of places program the PMC with (0x80000000 - period_left). + * We never want period_left to be less than 1 because we will program + * the PMC with a value >= 0x800000000 and an edge detected PMC will + * roll around to 0 before taking an exception. We have seen this + * on POWER8. + * + * To fix this, clamp the minimum value of period_left to 1. + */ + do { + prev = local64_read(&event->hw.period_left); + val = prev - delta; + if (val < 1) + val = 1; + } while (local64_cmpxchg(&event->hw.period_left, prev, val) != prev); } /* @@ -1300,6 +1315,9 @@ static void power_pmu_enable(struct pmu *pmu) write_mmcr0(cpuhw, mmcr0); + if (ppmu->flags & PPMU_ARCH_207S) + mtspr(SPRN_MMCR2, 0); + /* * Enable instruction sampling if necessary */ @@ -1696,7 +1714,7 @@ static int power_pmu_event_init(struct perf_event *event) if (has_branch_stack(event)) { /* PMU has BHRB enabled */ - if (!(ppmu->flags & PPMU_BHRB)) + if (!(ppmu->flags & PPMU_ARCH_207S)) return -EOPNOTSUPP; } diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index fe2763b..639cd91 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -792,7 +792,7 @@ static struct power_pmu power8_pmu = { .get_constraint = power8_get_constraint, .get_alternatives = power8_get_alternatives, .disable_pmc = power8_disable_pmc, - .flags = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_BHRB | PPMU_EBB, + .flags = PPMU_HAS_SSLOT | PPMU_HAS_SIER | PPMU_ARCH_207S, .n_generic = ARRAY_SIZE(power8_generic_events), .generic_events = power8_generic_events, .cache_events = &power8_cache_events, diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index 38e0a1a..5e6e0ba 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -111,6 +111,7 @@ asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus) return ret; } +#ifdef CONFIG_COREDUMP int elf_coredump_extra_notes_size(void) { struct spufs_calls *calls; @@ -142,6 +143,7 @@ int elf_coredump_extra_notes_write(struct coredump_params *cprm) return ret; } +#endif void notify_spus_active(void) { diff --git a/arch/powerpc/platforms/cell/spufs/Makefile b/arch/powerpc/platforms/cell/spufs/Makefile index b9d5d67..52a7d25 100644 --- a/arch/powerpc/platforms/cell/spufs/Makefile +++ b/arch/powerpc/platforms/cell/spufs/Makefile @@ -1,8 +1,9 @@ obj-$(CONFIG_SPU_FS) += spufs.o -spufs-y += inode.o file.o context.o syscalls.o coredump.o +spufs-y += inode.o file.o context.o syscalls.o spufs-y += sched.o backing_ops.o hw_ops.o run.o gang.o spufs-y += switch.o fault.o lscsa_alloc.o +spufs-$(CONFIG_COREDUMP) += coredump.o # magic for the trace events CFLAGS_sched.o := -I$(src) diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index b045fdd..a87200a 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -79,8 +79,10 @@ static long do_spu_create(const char __user *pathname, unsigned int flags, struct spufs_calls spufs_calls = { .create_thread = do_spu_create, .spu_run = do_spu_run, - .coredump_extra_notes_size = spufs_coredump_extra_notes_size, - .coredump_extra_notes_write = spufs_coredump_extra_notes_write, .notify_spus_active = do_notify_spus_active, .owner = THIS_MODULE, +#ifdef CONFIG_COREDUMP + .coredump_extra_notes_size = spufs_coredump_extra_notes_size, + .coredump_extra_notes_write = spufs_coredump_extra_notes_write, +#endif }; diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild index 6a9a9eb..7366373 100644 --- a/arch/s390/include/uapi/asm/Kbuild +++ b/arch/s390/include/uapi/asm/Kbuild @@ -36,6 +36,7 @@ header-y += signal.h header-y += socket.h header-y += sockios.h header-y += sclp_ctl.h +header-y += sie.h header-y += stat.h header-y += statfs.h header-y += swab.h diff --git a/arch/s390/include/uapi/asm/sie.h b/arch/s390/include/uapi/asm/sie.h index 3d97f61..5d9cc19 100644 --- a/arch/s390/include/uapi/asm/sie.h +++ b/arch/s390/include/uapi/asm/sie.h @@ -1,8 +1,6 @@ #ifndef _UAPI_ASM_S390_SIE_H #define _UAPI_ASM_S390_SIE_H -#include <asm/sigp.h> - #define diagnose_codes \ { 0x10, "DIAG (0x10) release pages" }, \ { 0x44, "DIAG (0x44) time slice end" }, \ @@ -13,18 +11,18 @@ { 0x500, "DIAG (0x500) KVM virtio functions" }, \ { 0x501, "DIAG (0x501) KVM breakpoint" } -#define sigp_order_codes \ - { SIGP_SENSE, "SIGP sense" }, \ - { SIGP_EXTERNAL_CALL, "SIGP external call" }, \ - { SIGP_EMERGENCY_SIGNAL, "SIGP emergency signal" }, \ - { SIGP_STOP, "SIGP stop" }, \ - { SIGP_STOP_AND_STORE_STATUS, "SIGP stop and store status" }, \ - { SIGP_SET_ARCHITECTURE, "SIGP set architecture" }, \ - { SIGP_SET_PREFIX, "SIGP set prefix" }, \ - { SIGP_SENSE_RUNNING, "SIGP sense running" }, \ - { SIGP_RESTART, "SIGP restart" }, \ - { SIGP_INITIAL_CPU_RESET, "SIGP initial cpu reset" }, \ - { SIGP_STORE_STATUS_AT_ADDRESS, "SIGP store status at address" } +#define sigp_order_codes \ + { 0x01, "SIGP sense" }, \ + { 0x02, "SIGP external call" }, \ + { 0x03, "SIGP emergency signal" }, \ + { 0x05, "SIGP stop" }, \ + { 0x06, "SIGP restart" }, \ + { 0x09, "SIGP stop and store status" }, \ + { 0x0b, "SIGP initial cpu reset" }, \ + { 0x0d, "SIGP set prefix" }, \ + { 0x0e, "SIGP store status at address" }, \ + { 0x12, "SIGP set architecture" }, \ + { 0x15, "SIGP sense running" } #define icpt_prog_codes \ { 0x0001, "Prog Operation" }, \ diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c index f30cd10..8626b03 100644 --- a/arch/x86/crypto/sha512_ssse3_glue.c +++ b/arch/x86/crypto/sha512_ssse3_glue.c @@ -141,7 +141,7 @@ static int sha512_ssse3_final(struct shash_desc *desc, u8 *out) /* save number of bits */ bits[1] = cpu_to_be64(sctx->count[0] << 3); - bits[0] = cpu_to_be64(sctx->count[1] << 3) | sctx->count[0] >> 61; + bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61); /* Pad out to 112 mod 128 and append length */ index = sctx->count[0] & 0x7f; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 4931415..49205d0 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -95,7 +95,7 @@ static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level) #define KVM_REFILL_PAGES 25 #define KVM_MAX_CPUID_ENTRIES 80 #define KVM_NR_FIXED_MTRR_REGION 88 -#define KVM_NR_VAR_MTRR 8 +#define KVM_NR_VAR_MTRR 10 #define ASYNC_PF_PER_VCPU 64 @@ -461,7 +461,7 @@ struct kvm_vcpu_arch { bool nmi_injected; /* Trying to inject an NMI this entry */ struct mtrr_state_type mtrr_state; - u32 pat; + u64 pat; unsigned switch_db_regs; unsigned long db[KVM_NR_DB_REGS]; diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h index 14fd6fd..6205f0c 100644 --- a/arch/x86/include/asm/ptrace.h +++ b/arch/x86/include/asm/ptrace.h @@ -231,6 +231,22 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, #define ARCH_HAS_USER_SINGLE_STEP_INFO +/* + * When hitting ptrace_stop(), we cannot return using SYSRET because + * that does not restore the full CPU state, only a minimal set. The + * ptracer can change arbitrary register values, which is usually okay + * because the usual ptrace stops run off the signal delivery path which + * forces IRET; however, ptrace_event() stops happen in arbitrary places + * in the kernel and don't force IRET path. + * + * So force IRET path after a ptrace stop. + */ +#define arch_ptrace_stop_needed(code, info) \ +({ \ + set_thread_flag(TIF_NOTIFY_RESUME); \ + false; \ +}) + struct user_desc; extern int do_get_thread_area(struct task_struct *p, int idx, struct user_desc __user *info); diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index adb02aa..07846d7 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -1382,6 +1382,15 @@ again: intel_pmu_lbr_read(); /* + * CondChgd bit 63 doesn't mean any overflow status. Ignore + * and clear the bit. + */ + if (__test_and_clear_bit(63, (unsigned long *)&status)) { + if (!status) + goto done; + } + + /* * PEBS overflow sets bit 62 in the global status register */ if (__test_and_clear_bit(62, (unsigned long *)&status)) { diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ec8366c..b5e994a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1462,6 +1462,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, */ if (var->unusable) var->db = 0; + var->dpl = to_svm(vcpu)->vmcb->save.cpl; break; } } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index f32a025..f644933 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1898,7 +1898,7 @@ static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data) if (!(data & HV_X64_MSR_TSC_REFERENCE_ENABLE)) break; gfn = data >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT; - if (kvm_write_guest(kvm, data, + if (kvm_write_guest(kvm, gfn << HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT, &tsc_ref, sizeof(tsc_ref))) return 1; mark_page_dirty(kvm, gfn); diff --git a/arch/x86/vdso/vdso2c.h b/arch/x86/vdso/vdso2c.h index df95a2f..11b65d4 100644 --- a/arch/x86/vdso/vdso2c.h +++ b/arch/x86/vdso/vdso2c.h @@ -93,6 +93,9 @@ static void BITSFUNC(copy_section)(struct BITSFUNC(fake_sections) *out, uint64_t flags = GET_LE(&in->sh_flags); bool copy = flags & SHF_ALLOC && + (GET_LE(&in->sh_size) || + (GET_LE(&in->sh_type) != SHT_RELA && + GET_LE(&in->sh_type) != SHT_REL)) && strcmp(name, ".altinstructions") && strcmp(name, ".altinstr_replacement"); diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c index e1513c4..5a5176d 100644 --- a/arch/x86/vdso/vma.c +++ b/arch/x86/vdso/vma.c @@ -62,6 +62,9 @@ struct linux_binprm; Only used for the 64-bit and x32 vdsos. */ static unsigned long vdso_addr(unsigned long start, unsigned len) { +#ifdef CONFIG_X86_32 + return 0; +#else unsigned long addr, end; unsigned offset; end = (start + PMD_SIZE - 1) & PMD_MASK; @@ -83,6 +86,7 @@ static unsigned long vdso_addr(unsigned long start, unsigned len) addr = align_vdso_addr(addr); return addr; +#endif } static int map_vdso(const struct vdso_image *image, bool calculate_addr) diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index c67f6f5..36b0e61 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -30,6 +30,10 @@ #include <linux/types.h> #include <linux/dmi.h> #include <linux/delay.h> +#ifdef CONFIG_ACPI_PROCFS_POWER +#include <linux/proc_fs.h> +#include <linux/seq_file.h> +#endif #include <linux/platform_device.h> #include <linux/power_supply.h> #include <linux/acpi.h> @@ -52,6 +56,7 @@ MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI AC Adapter Driver"); MODULE_LICENSE("GPL"); + static int acpi_ac_add(struct acpi_device *device); static int acpi_ac_remove(struct acpi_device *device); static void acpi_ac_notify(struct acpi_device *device, u32 event); @@ -67,6 +72,13 @@ static int acpi_ac_resume(struct device *dev); #endif static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume); +#ifdef CONFIG_ACPI_PROCFS_POWER +extern struct proc_dir_entry *acpi_lock_ac_dir(void); +extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir); +static int acpi_ac_open_fs(struct inode *inode, struct file *file); +#endif + + static int ac_sleep_before_get_state_ms; static struct acpi_driver acpi_ac_driver = { @@ -91,6 +103,16 @@ struct acpi_ac { #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger) +#ifdef CONFIG_ACPI_PROCFS_POWER +static const struct file_operations acpi_ac_fops = { + .owner = THIS_MODULE, + .open = acpi_ac_open_fs, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; +#endif + /* -------------------------------------------------------------------------- AC Adapter Management -------------------------------------------------------------------------- */ @@ -143,6 +165,83 @@ static enum power_supply_property ac_props[] = { POWER_SUPPLY_PROP_ONLINE, }; +#ifdef CONFIG_ACPI_PROCFS_POWER +/* -------------------------------------------------------------------------- + FS Interface (/proc) + -------------------------------------------------------------------------- */ + +static struct proc_dir_entry *acpi_ac_dir; + +static int acpi_ac_seq_show(struct seq_file *seq, void *offset) +{ + struct acpi_ac *ac = seq->private; + + + if (!ac) + return 0; + + if (acpi_ac_get_state(ac)) { + seq_puts(seq, "ERROR: Unable to read AC Adapter state\n"); + return 0; + } + + seq_puts(seq, "state: "); + switch (ac->state) { + case ACPI_AC_STATUS_OFFLINE: + seq_puts(seq, "off-line\n"); + break; + case ACPI_AC_STATUS_ONLINE: + seq_puts(seq, "on-line\n"); + break; + default: + seq_puts(seq, "unknown\n"); + break; + } + + return 0; +} + +static int acpi_ac_open_fs(struct inode *inode, struct file *file) +{ + return single_open(file, acpi_ac_seq_show, PDE_DATA(inode)); +} + +static int acpi_ac_add_fs(struct acpi_ac *ac) +{ + struct proc_dir_entry *entry = NULL; + + printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded," + " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n"); + if (!acpi_device_dir(ac->device)) { + acpi_device_dir(ac->device) = + proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir); + if (!acpi_device_dir(ac->device)) + return -ENODEV; + } + + /* 'state' [R] */ + entry = proc_create_data(ACPI_AC_FILE_STATE, + S_IRUGO, acpi_device_dir(ac->device), + &acpi_ac_fops, ac); + if (!entry) + return -ENODEV; + return 0; +} + +static int acpi_ac_remove_fs(struct acpi_ac *ac) +{ + + if (acpi_device_dir(ac->device)) { + remove_proc_entry(ACPI_AC_FILE_STATE, + acpi_device_dir(ac->device)); + remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir); + acpi_device_dir(ac->device) = NULL; + } + + return 0; +} +#endif + /* -------------------------------------------------------------------------- Driver Model -------------------------------------------------------------------------- */ @@ -243,6 +342,11 @@ static int acpi_ac_add(struct acpi_device *device) goto end; ac->charger.name = acpi_device_bid(device); +#ifdef CONFIG_ACPI_PROCFS_POWER + result = acpi_ac_add_fs(ac); + if (result) + goto end; +#endif ac->charger.type = POWER_SUPPLY_TYPE_MAINS; ac->charger.properties = ac_props; ac->charger.num_properties = ARRAY_SIZE(ac_props); @@ -258,8 +362,12 @@ static int acpi_ac_add(struct acpi_device *device) ac->battery_nb.notifier_call = acpi_ac_battery_notify; register_acpi_notifier(&ac->battery_nb); end: - if (result) + if (result) { +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_ac_remove_fs(ac); +#endif kfree(ac); + } dmi_check_system(ac_dmi_table); return result; @@ -303,6 +411,10 @@ static int acpi_ac_remove(struct acpi_device *device) power_supply_unregister(&ac->charger); unregister_acpi_notifier(&ac->battery_nb); +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_ac_remove_fs(ac); +#endif + kfree(ac); return 0; @@ -315,9 +427,20 @@ static int __init acpi_ac_init(void) if (acpi_disabled) return -ENODEV; +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_ac_dir = acpi_lock_ac_dir(); + if (!acpi_ac_dir) + return -ENODEV; +#endif + + result = acpi_bus_register_driver(&acpi_ac_driver); - if (result < 0) + if (result < 0) { +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_unlock_ac_dir(acpi_ac_dir); +#endif return -ENODEV; + } return 0; } @@ -325,6 +448,9 @@ static int __init acpi_ac_init(void) static void __exit acpi_ac_exit(void) { acpi_bus_unregister_driver(&acpi_ac_driver); +#ifdef CONFIG_ACPI_PROCFS_POWER + acpi_unlock_ac_dir(acpi_ac_dir); +#endif } module_init(acpi_ac_init); module_exit(acpi_ac_exit); diff --git a/drivers/acpi/acpi_pnp.c b/drivers/acpi/acpi_pnp.c index 6703c1f..4ddb0dc 100644 --- a/drivers/acpi/acpi_pnp.c +++ b/drivers/acpi/acpi_pnp.c @@ -14,6 +14,8 @@ #include <linux/module.h> static const struct acpi_device_id acpi_pnp_device_ids[] = { + /* soc_button_array */ + {"PNP0C40"}, /* pata_isapnp */ {"PNP0600"}, /* Generic ESDI/IDE/ATA compatible hard disk controller */ /* floppy */ diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 0d7116f..130f513 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -35,6 +35,7 @@ #include <linux/delay.h> #include <linux/slab.h> #include <linux/suspend.h> +#include <linux/delay.h> #include <asm/unaligned.h> #ifdef CONFIG_ACPI_PROCFS_POWER @@ -534,6 +535,20 @@ static int acpi_battery_get_state(struct acpi_battery *battery) " invalid.\n"); } + /* + * When fully charged, some batteries wrongly report + * capacity_now = design_capacity instead of = full_charge_capacity + */ + if (battery->capacity_now > battery->full_charge_capacity + && battery->full_charge_capacity != ACPI_BATTERY_VALUE_UNKNOWN) { + battery->capacity_now = battery->full_charge_capacity; + if (battery->capacity_now != battery->design_capacity) + printk_once(KERN_WARNING FW_BUG + "battery: reported current charge level (%d) " + "is higher than reported maximum charge level (%d).\n", + battery->capacity_now, battery->full_charge_capacity); + } + if (test_bit(ACPI_BATTERY_QUIRK_PERCENTAGE_CAPACITY, &battery->flags) && battery->capacity_now >= 0 && battery->capacity_now <= 100) battery->capacity_now = (battery->capacity_now * @@ -1151,6 +1166,28 @@ static struct dmi_system_id bat_dmi_table[] = { {}, }; +/* + * Some machines'(E,G Lenovo Z480) ECs are not stable + * during boot up and this causes battery driver fails to be + * probed due to failure of getting battery information + * from EC sometimes. After several retries, the operation + * may work. So add retry code here and 20ms sleep between + * every retries. + */ +static int acpi_battery_update_retry(struct acpi_battery *battery) +{ + int retry, ret; + + for (retry = 5; retry; retry--) { + ret = acpi_battery_update(battery, false); + if (!ret) + break; + + msleep(20); + } + return ret; +} + static int acpi_battery_add(struct acpi_device *device) { int result = 0; @@ -1169,9 +1206,11 @@ static int acpi_battery_add(struct acpi_device *device) mutex_init(&battery->sysfs_lock); if (acpi_has_method(battery->device->handle, "_BIX")) set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags); - result = acpi_battery_update(battery, false); + + result = acpi_battery_update_retry(battery); if (result) goto fail; + #ifdef CONFIG_ACPI_PROCFS_POWER result = acpi_battery_add_fs(device); #endif diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index ad11ba4..a66ab65 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1,11 +1,14 @@ /* - * ec.c - ACPI Embedded Controller Driver (v2.1) + * ec.c - ACPI Embedded Controller Driver (v2.2) * - * Copyright (C) 2006-2008 Alexey Starikovskiy <astarikovskiy@suse.de> - * Copyright (C) 2006 Denis Sadykov <denis.m.sadykov@intel.com> - * Copyright (C) 2004 Luming Yu <luming.yu@intel.com> - * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> - * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + * Copyright (C) 2001-2014 Intel Corporation + * Author: 2014 Lv Zheng <lv.zheng@intel.com> + * 2006, 2007 Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> + * 2006 Denis Sadykov <denis.m.sadykov@intel.com> + * 2004 Luming Yu <luming.yu@intel.com> + * 2001, 2002 Andy Grover <andrew.grover@intel.com> + * 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> + * Copyright (C) 2008 Alexey Starikovskiy <astarikovskiy@suse.de> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * @@ -52,6 +55,7 @@ /* EC status register */ #define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */ #define ACPI_EC_FLAG_IBF 0x02 /* Input buffer full */ +#define ACPI_EC_FLAG_CMD 0x08 /* Input buffer contains a command */ #define ACPI_EC_FLAG_BURST 0x10 /* burst mode */ #define ACPI_EC_FLAG_SCI 0x20 /* EC-SCI occurred */ @@ -78,6 +82,9 @@ enum { EC_FLAGS_BLOCKED, /* Transactions are blocked */ }; +#define ACPI_EC_COMMAND_POLL 0x01 /* Available for command byte */ +#define ACPI_EC_COMMAND_COMPLETE 0x02 /* Completed last byte */ + /* ec.c is compiled in acpi namespace so this shows up as acpi.ec_delay param */ static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY; module_param(ec_delay, uint, 0644); @@ -109,7 +116,7 @@ struct transaction { u8 ri; u8 wlen; u8 rlen; - bool done; + u8 flags; }; struct acpi_ec *boot_ec, *first_ec; @@ -127,83 +134,104 @@ static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */ static inline u8 acpi_ec_read_status(struct acpi_ec *ec) { u8 x = inb(ec->command_addr); - pr_debug("---> status = 0x%2.2x\n", x); + pr_debug("EC_SC(R) = 0x%2.2x " + "SCI_EVT=%d BURST=%d CMD=%d IBF=%d OBF=%d\n", + x, + !!(x & ACPI_EC_FLAG_SCI), + !!(x & ACPI_EC_FLAG_BURST), + !!(x & ACPI_EC_FLAG_CMD), + !!(x & ACPI_EC_FLAG_IBF), + !!(x & ACPI_EC_FLAG_OBF)); return x; } static inline u8 acpi_ec_read_data(struct acpi_ec *ec) { u8 x = inb(ec->data_addr); - pr_debug("---> data = 0x%2.2x\n", x); + pr_debug("EC_DATA(R) = 0x%2.2x\n", x); return x; } static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command) { - pr_debug("<--- command = 0x%2.2x\n", command); + pr_debug("EC_SC(W) = 0x%2.2x\n", command); outb(command, ec->command_addr); } static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data) { - pr_debug("<--- data = 0x%2.2x\n", data); + pr_debug("EC_DATA(W) = 0x%2.2x\n", data); outb(data, ec->data_addr); } -static int ec_transaction_done(struct acpi_ec *ec) +static int ec_transaction_completed(struct acpi_ec *ec) { unsigned long flags; int ret = 0; spin_lock_irqsave(&ec->lock, flags); - if (!ec->curr || ec->curr->done) + if (ec->curr && (ec->curr->flags & ACPI_EC_COMMAND_COMPLETE)) ret = 1; spin_unlock_irqrestore(&ec->lock, flags); return ret; } -static void start_transaction(struct acpi_ec *ec) +static bool advance_transaction(struct acpi_ec *ec) { - ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0; - ec->curr->done = false; - acpi_ec_write_cmd(ec, ec->curr->command); -} - -static void advance_transaction(struct acpi_ec *ec, u8 status) -{ - unsigned long flags; struct transaction *t; + u8 status; + bool wakeup = false; - spin_lock_irqsave(&ec->lock, flags); + pr_debug("===== %s =====\n", in_interrupt() ? "IRQ" : "TASK"); + status = acpi_ec_read_status(ec); t = ec->curr; if (!t) - goto unlock; - if (t->wlen > t->wi) { - if ((status & ACPI_EC_FLAG_IBF) == 0) - acpi_ec_write_data(ec, - t->wdata[t->wi++]); - else - goto err; - } else if (t->rlen > t->ri) { - if ((status & ACPI_EC_FLAG_OBF) == 1) { - t->rdata[t->ri++] = acpi_ec_read_data(ec); - if (t->rlen == t->ri) - t->done = true; + goto err; + if (t->flags & ACPI_EC_COMMAND_POLL) { + if (t->wlen > t->wi) { + if ((status & ACPI_EC_FLAG_IBF) == 0) + acpi_ec_write_data(ec, t->wdata[t->wi++]); + else + goto err; + } else if (t->rlen > t->ri) { + if ((status & ACPI_EC_FLAG_OBF) == 1) { + t->rdata[t->ri++] = acpi_ec_read_data(ec); + if (t->rlen == t->ri) { + t->flags |= ACPI_EC_COMMAND_COMPLETE; + wakeup = true; + } + } else + goto err; + } else if (t->wlen == t->wi && + (status & ACPI_EC_FLAG_IBF) == 0) { + t->flags |= ACPI_EC_COMMAND_COMPLETE; + wakeup = true; + } + return wakeup; + } else { + if ((status & ACPI_EC_FLAG_IBF) == 0) { + acpi_ec_write_cmd(ec, t->command); + t->flags |= ACPI_EC_COMMAND_POLL; } else goto err; - } else if (t->wlen == t->wi && - (status & ACPI_EC_FLAG_IBF) == 0) - t->done = true; - goto unlock; + return wakeup; + } err: /* * If SCI bit is set, then don't think it's a false IRQ * otherwise will take a not handled IRQ as a false one. */ - if (in_interrupt() && !(status & ACPI_EC_FLAG_SCI)) - ++t->irq_count; + if (!(status & ACPI_EC_FLAG_SCI)) { + if (in_interrupt() && t) + ++t->irq_count; + } + return wakeup; +} -unlock: - spin_unlock_irqrestore(&ec->lock, flags); +static void start_transaction(struct acpi_ec *ec) +{ + ec->curr->irq_count = ec->curr->wi = ec->curr->ri = 0; + ec->curr->flags = 0; + (void)advance_transaction(ec); } static int acpi_ec_sync_query(struct acpi_ec *ec, u8 *data); @@ -228,15 +256,17 @@ static int ec_poll(struct acpi_ec *ec) /* don't sleep with disabled interrupts */ if (EC_FLAGS_MSI || irqs_disabled()) { udelay(ACPI_EC_MSI_UDELAY); - if (ec_transaction_done(ec)) + if (ec_transaction_completed(ec)) return 0; } else { if (wait_event_timeout(ec->wait, - ec_transaction_done(ec), + ec_transaction_completed(ec), msecs_to_jiffies(1))) return 0; } - advance_transaction(ec, acpi_ec_read_status(ec)); + spin_lock_irqsave(&ec->lock, flags); + (void)advance_transaction(ec); + spin_unlock_irqrestore(&ec->lock, flags); } while (time_before(jiffies, delay)); pr_debug("controller reset, restart transaction\n"); spin_lock_irqsave(&ec->lock, flags); @@ -268,23 +298,6 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, return ret; } -static int ec_check_ibf0(struct acpi_ec *ec) -{ - u8 status = acpi_ec_read_status(ec); - return (status & ACPI_EC_FLAG_IBF) == 0; -} - -static int ec_wait_ibf0(struct acpi_ec *ec) -{ - unsigned long delay = jiffies + msecs_to_jiffies(ec_delay); - /* interrupt wait manually if GPE mode is not active */ - while (time_before(jiffies, delay)) - if (wait_event_timeout(ec->wait, ec_check_ibf0(ec), - msecs_to_jiffies(1))) - return 0; - return -ETIME; -} - static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) { int status; @@ -305,12 +318,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) goto unlock; } } - if (ec_wait_ibf0(ec)) { - pr_err("input buffer is not empty, " - "aborting transaction\n"); - status = -ETIME; - goto end; - } pr_debug("transaction start (cmd=0x%02x, addr=0x%02x)\n", t->command, t->wdata ? t->wdata[0] : 0); /* disable GPE during transaction if storm is detected */ @@ -334,7 +341,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) set_bit(EC_FLAGS_GPE_STORM, &ec->flags); } pr_debug("transaction end\n"); -end: if (ec->global_lock) acpi_release_global_lock(glk); unlock: @@ -634,17 +640,14 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state) static u32 acpi_ec_gpe_handler(acpi_handle gpe_device, u32 gpe_number, void *data) { + unsigned long flags; struct acpi_ec *ec = data; - u8 status = acpi_ec_read_status(ec); - pr_debug("~~~> interrupt, status:0x%02x\n", status); - - advance_transaction(ec, status); - if (ec_transaction_done(ec) && - (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) == 0) { + spin_lock_irqsave(&ec->lock, flags); + if (advance_transaction(ec)) wake_up(&ec->wait); - ec_check_sci(ec, acpi_ec_read_status(ec)); - } + spin_unlock_irqrestore(&ec->lock, flags); + ec_check_sci(ec, acpi_ec_read_status(ec)); return ACPI_INTERRUPT_HANDLED | ACPI_REENABLE_GPE; } @@ -1066,8 +1069,10 @@ int __init acpi_ec_ecdt_probe(void) /* fall through */ } - if (EC_FLAGS_SKIP_DSDT_SCAN) + if (EC_FLAGS_SKIP_DSDT_SCAN) { + kfree(saved_ec); return -ENODEV; + } /* This workaround is needed only on some broken machines, * which require early EC, but fail to provide ECDT */ @@ -1105,6 +1110,7 @@ install: } error: kfree(boot_ec); + kfree(saved_ec); boot_ec = NULL; return -ENODEV; } diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 0bdacc5..2ba8f02 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -77,7 +77,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res) switch (ares->type) { case ACPI_RESOURCE_TYPE_MEMORY24: memory24 = &ares->data.memory24; - if (!memory24->address_length) + if (!memory24->minimum && !memory24->address_length) return false; acpi_dev_get_memresource(res, memory24->minimum, memory24->address_length, @@ -85,7 +85,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res) break; case ACPI_RESOURCE_TYPE_MEMORY32: memory32 = &ares->data.memory32; - if (!memory32->address_length) + if (!memory32->minimum && !memory32->address_length) return false; acpi_dev_get_memresource(res, memory32->minimum, memory32->address_length, @@ -93,7 +93,7 @@ bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res) break; case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: fixed_memory32 = &ares->data.fixed_memory32; - if (!fixed_memory32->address_length) + if (!fixed_memory32->address && !fixed_memory32->address_length) return false; acpi_dev_get_memresource(res, fixed_memory32->address, fixed_memory32->address_length, @@ -150,7 +150,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res) switch (ares->type) { case ACPI_RESOURCE_TYPE_IO: io = &ares->data.io; - if (!io->address_length) + if (!io->minimum && !io->address_length) return false; acpi_dev_get_ioresource(res, io->minimum, io->address_length, @@ -158,7 +158,7 @@ bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res) break; case ACPI_RESOURCE_TYPE_FIXED_IO: fixed_io = &ares->data.fixed_io; - if (!fixed_io->address_length) + if (!fixed_io->address && !fixed_io->address_length) return false; acpi_dev_get_ioresource(res, fixed_io->address, fixed_io->address_length, diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index fb9ffe9..071c1df 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -241,13 +241,14 @@ static bool acpi_video_use_native_backlight(void) return use_native_backlight_dmi; } -static bool acpi_video_verify_backlight_support(void) +bool acpi_video_verify_backlight_support(void) { if (acpi_osi_is_win8() && acpi_video_use_native_backlight() && backlight_device_registered(BACKLIGHT_RAW)) return false; return acpi_video_backlight_support(); } +EXPORT_SYMBOL_GPL(acpi_video_verify_backlight_support); /* backlight device sysfs support */ static int acpi_video_get_brightness(struct backlight_device *bd) @@ -563,6 +564,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { + .callback = video_set_use_native_backlight, + .ident = "Acer TravelMate B113", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate B113"), + }, + }, + { .callback = video_set_use_native_backlight, .ident = "HP ProBook 4340s", .matches = { diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 33e3db5..c42feb2 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -166,6 +166,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Dell Inspiron 5737", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5737"), + }, + }, { }, }; diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 05882e4..5513296 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -371,7 +371,9 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class, int pmp, unsigned long deadline, int (*check_ready)(struct ata_link *link)); +unsigned int ahci_qc_issue(struct ata_queued_cmd *qc); int ahci_stop_engine(struct ata_port *ap); +void ahci_start_fis_rx(struct ata_port *ap); void ahci_start_engine(struct ata_port *ap); int ahci_check_ready(struct ata_link *link); int ahci_kick_engine(struct ata_port *ap); diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index 3a90152..cac4360 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -58,6 +58,8 @@ enum ahci_imx_type { struct imx_ahci_priv { struct platform_device *ahci_pdev; enum ahci_imx_type type; + struct clk *sata_clk; + struct clk *sata_ref_clk; struct clk *ahb_clk; struct regmap *gpr; bool no_device; @@ -224,7 +226,7 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv) return ret; } - ret = ahci_platform_enable_clks(hpriv); + ret = clk_prepare_enable(imxpriv->sata_ref_clk); if (ret < 0) goto disable_regulator; @@ -291,7 +293,7 @@ static void imx_sata_disable(struct ahci_host_priv *hpriv) !IMX6Q_GPR13_SATA_MPLL_CLK_EN); } - ahci_platform_disable_clks(hpriv); + clk_disable_unprepare(imxpriv->sata_ref_clk); if (hpriv->target_pwr) regulator_disable(hpriv->target_pwr); @@ -324,6 +326,9 @@ static void ahci_imx_error_handler(struct ata_port *ap) writel(reg_val | IMX_P0PHYCR_TEST_PDDQ, mmio + IMX_P0PHYCR); imx_sata_disable(hpriv); imxpriv->no_device = true; + + dev_info(ap->dev, "no device found, disabling link.\n"); + dev_info(ap->dev, "pass " MODULE_PARAM_PREFIX ".hotplug=1 to enable hotplug\n"); } static int ahci_imx_softreset(struct ata_link *link, unsigned int *class, @@ -385,6 +390,19 @@ static int imx_ahci_probe(struct platform_device *pdev) imxpriv->no_device = false; imxpriv->first_time = true; imxpriv->type = (enum ahci_imx_type)of_id->data; + + imxpriv->sata_clk = devm_clk_get(dev, "sata"); + if (IS_ERR(imxpriv->sata_clk)) { + dev_err(dev, "can't get sata clock.\n"); + return PTR_ERR(imxpriv->sata_clk); + } + + imxpriv->sata_ref_clk = devm_clk_get(dev, "sata_ref"); + if (IS_ERR(imxpriv->sata_ref_clk)) { + dev_err(dev, "can't get sata_ref clock.\n"); + return PTR_ERR(imxpriv->sata_ref_clk); + } + imxpriv->ahb_clk = devm_clk_get(dev, "ahb"); if (IS_ERR(imxpriv->ahb_clk)) { dev_err(dev, "can't get ahb clock.\n"); @@ -407,10 +425,14 @@ static int imx_ahci_probe(struct platform_device *pdev) hpriv->plat_data = imxpriv; - ret = imx_sata_enable(hpriv); + ret = clk_prepare_enable(imxpriv->sata_clk); if (ret) return ret; + ret = imx_sata_enable(hpriv); + if (ret) + goto disable_clk; + /* * Configure the HWINIT bits of the HOST_CAP and HOST_PORTS_IMPL, * and IP vendor specific register IMX_TIMER1MS. @@ -435,16 +457,24 @@ static int imx_ahci_probe(struct platform_device *pdev) ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0, 0); if (ret) - imx_sata_disable(hpriv); + goto disable_sata; + return 0; + +disable_sata: + imx_sata_disable(hpriv); +disable_clk: + clk_disable_unprepare(imxpriv->sata_clk); return ret; } static void ahci_imx_host_stop(struct ata_host *host) { struct ahci_host_priv *hpriv = host->private_data; + struct imx_ahci_priv *imxpriv = hpriv->plat_data; imx_sata_disable(hpriv); + clk_disable_unprepare(imxpriv->sata_clk); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index ebe505c..b10d81d 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -58,7 +58,7 @@ static int ahci_probe(struct platform_device *pdev) } if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) - hflags |= AHCI_HFLAG_NO_FBS; + hflags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, hflags, 0, 0); diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 042a9bb..ee3a365 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -78,6 +78,7 @@ struct xgene_ahci_context { struct ahci_host_priv *hpriv; struct device *dev; + u8 last_cmd[MAX_AHCI_CHN_PERCTR]; /* tracking the last command issued*/ void __iomem *csr_core; /* Core CSR address of IP */ void __iomem *csr_diag; /* Diag CSR address of IP */ void __iomem *csr_axi; /* AXI CSR address of IP */ @@ -98,20 +99,62 @@ static int xgene_ahci_init_memram(struct xgene_ahci_context *ctx) } /** + * xgene_ahci_restart_engine - Restart the dma engine. + * @ap : ATA port of interest + * + * Restarts the dma engine inside the controller. + */ +static int xgene_ahci_restart_engine(struct ata_port *ap) +{ + struct ahci_host_priv *hpriv = ap->host->private_data; + + ahci_stop_engine(ap); + ahci_start_fis_rx(ap); + hpriv->start_engine(ap); + + return 0; +} + +/** + * xgene_ahci_qc_issue - Issue commands to the device + * @qc: Command to issue + * + * Due to Hardware errata for IDENTIFY DEVICE command, the controller cannot + * clear the BSY bit after receiving the PIO setup FIS. This results in the dma + * state machine goes into the CMFatalErrorUpdate state and locks up. By + * restarting the dma engine, it removes the controller out of lock up state. + */ +static unsigned int xgene_ahci_qc_issue(struct ata_queued_cmd *qc) +{ + struct ata_port *ap = qc->ap; + struct ahci_host_priv *hpriv = ap->host->private_data; + struct xgene_ahci_context *ctx = hpriv->plat_data; + int rc = 0; + + if (unlikely(ctx->last_cmd[ap->port_no] == ATA_CMD_ID_ATA)) + xgene_ahci_restart_engine(ap); + + rc = ahci_qc_issue(qc); + + /* Save the last command issued */ + ctx->last_cmd[ap->port_no] = qc->tf.command; + + return rc; +} + +/** * xgene_ahci_read_id - Read ID data from the specified device * @dev: device * @tf: proposed taskfile * @id: data buffer * * This custom read ID function is required due to the fact that the HW - * does not support DEVSLP and the controller state machine may get stuck - * after processing the ID query command. + * does not support DEVSLP. */ static unsigned int xgene_ahci_read_id(struct ata_device *dev, struct ata_taskfile *tf, u16 *id) { u32 err_mask; - void __iomem *port_mmio = ahci_port_base(dev->link->ap); err_mask = ata_do_dev_read_id(dev, tf, id); if (err_mask) @@ -133,16 +176,6 @@ static unsigned int xgene_ahci_read_id(struct ata_device *dev, */ id[ATA_ID_FEATURE_SUPP] &= ~(1 << 8); - /* - * Due to HW errata, restart the port if no other command active. - * Otherwise the controller may get stuck. - */ - if (!readl(port_mmio + PORT_CMD_ISSUE)) { - writel(PORT_CMD_FIS_RX, port_mmio + PORT_CMD); - readl(port_mmio + PORT_CMD); /* Force a barrier */ - writel(PORT_CMD_FIS_RX | PORT_CMD_START, port_mmio + PORT_CMD); - readl(port_mmio + PORT_CMD); /* Force a barrier */ - } return 0; } @@ -300,6 +333,7 @@ static struct ata_port_operations xgene_ahci_ops = { .host_stop = xgene_ahci_host_stop, .hardreset = xgene_ahci_hardreset, .read_id = xgene_ahci_read_id, + .qc_issue = xgene_ahci_qc_issue, }; static const struct ata_port_info xgene_ahci_port_info = { diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 40ea583..d72ce04 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -68,7 +68,6 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state, static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); -static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc); static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc); static int ahci_port_start(struct ata_port *ap); static void ahci_port_stop(struct ata_port *ap); @@ -620,7 +619,7 @@ int ahci_stop_engine(struct ata_port *ap) } EXPORT_SYMBOL_GPL(ahci_stop_engine); -static void ahci_start_fis_rx(struct ata_port *ap) +void ahci_start_fis_rx(struct ata_port *ap) { void __iomem *port_mmio = ahci_port_base(ap); struct ahci_host_priv *hpriv = ap->host->private_data; @@ -646,6 +645,7 @@ static void ahci_start_fis_rx(struct ata_port *ap) /* flush */ readl(port_mmio + PORT_CMD); } +EXPORT_SYMBOL_GPL(ahci_start_fis_rx); static int ahci_stop_fis_rx(struct ata_port *ap) { @@ -1945,7 +1945,7 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance) } EXPORT_SYMBOL_GPL(ahci_interrupt); -static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) +unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; void __iomem *port_mmio = ahci_port_base(ap); @@ -1974,6 +1974,7 @@ static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc) return 0; } +EXPORT_SYMBOL_GPL(ahci_qc_issue); static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc) { diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index 3a5b4ed..b0077589 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -250,8 +250,13 @@ struct ahci_host_priv *ahci_platform_get_resources(struct platform_device *pdev) if (IS_ERR(hpriv->phy)) { rc = PTR_ERR(hpriv->phy); switch (rc) { - case -ENODEV: case -ENOSYS: + /* No PHY support. Check if PHY is required. */ + if (of_find_property(dev->of_node, "phys", NULL)) { + dev_err(dev, "couldn't get sata-phy: ENOSYS\n"); + goto err_out; + } + case -ENODEV: /* continue normally */ hpriv->phy = NULL; break; diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 48eccb3..089e72c 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -622,8 +622,10 @@ static void zram_reset_device(struct zram *zram, bool reset_capacity) memset(&zram->stats, 0, sizeof(zram->stats)); zram->disksize = 0; - if (reset_capacity) + if (reset_capacity) { set_capacity(zram->disk, 0); + revalidate_disk(zram->disk); + } up_write(&zram->init_lock); } @@ -664,6 +666,7 @@ static ssize_t disksize_store(struct device *dev, zram->comp = comp; zram->disksize = disksize; set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT); + revalidate_disk(zram->disk); up_write(&zram->init_lock); return len; diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index f983806..f50dffc 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -90,7 +90,6 @@ static const struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x0b05, 0x17d0) }, { USB_DEVICE(0x0CF3, 0x0036) }, { USB_DEVICE(0x0CF3, 0x3004) }, - { USB_DEVICE(0x0CF3, 0x3005) }, { USB_DEVICE(0x0CF3, 0x3008) }, { USB_DEVICE(0x0CF3, 0x311D) }, { USB_DEVICE(0x0CF3, 0x311E) }, @@ -140,7 +139,6 @@ static const struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a1c80b0..6250fc2 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -162,7 +162,6 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, - { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c index 04680ea..fede8ca 100644 --- a/drivers/bluetooth/hci_h5.c +++ b/drivers/bluetooth/hci_h5.c @@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c) H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) { BT_ERR("Non-link packet received in non-active state"); h5_reset_rx(h5); + return 0; } h5->rx_func = h5_rx_payload; diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index d915707..93dcad0 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -138,7 +138,9 @@ static int i8k_smm(struct smm_regs *regs) if (!alloc_cpumask_var(&old_mask, GFP_KERNEL)) return -ENOMEM; cpumask_copy(old_mask, ¤t->cpus_allowed); - set_cpus_allowed_ptr(current, cpumask_of(0)); + rc = set_cpus_allowed_ptr(current, cpumask_of(0)); + if (rc) + goto out; if (smp_processor_id() != 0) { rc = -EBUSY; goto out; diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c index 9b7b585..3757e9e 100644 --- a/drivers/clk/clk-s2mps11.c +++ b/drivers/clk/clk-s2mps11.c @@ -230,16 +230,13 @@ static int s2mps11_clk_probe(struct platform_device *pdev) goto err_reg; } - s2mps11_clk->lookup = devm_kzalloc(&pdev->dev, - sizeof(struct clk_lookup), GFP_KERNEL); + s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk, + s2mps11_name(s2mps11_clk), NULL); if (!s2mps11_clk->lookup) { ret = -ENOMEM; goto err_lup; } - s2mps11_clk->lookup->con_id = s2mps11_name(s2mps11_clk); - s2mps11_clk->lookup->clk = s2mps11_clk->clk; - clkdev_add(s2mps11_clk->lookup); } diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c index 12f3c0b..4c449b3 100644 --- a/drivers/clk/qcom/mmcc-msm8960.c +++ b/drivers/clk/qcom/mmcc-msm8960.c @@ -1209,7 +1209,7 @@ static struct clk_branch rot_clk = { static u8 mmcc_pxo_hdmi_map[] = { [P_PXO] = 0, - [P_HDMI_PLL] = 2, + [P_HDMI_PLL] = 3, }; static const char *mmcc_pxo_hdmi[] = { diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 4f150c9..7f4a473 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -925,21 +925,13 @@ static struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = { GATE(CLK_RTC, "rtc", "aclk100", E4X12_GATE_IP_PERIR, 15, 0, 0), GATE(CLK_KEYIF, "keyif", "aclk100", E4X12_GATE_IP_PERIR, 16, 0, 0), - GATE(CLK_SCLK_PWM_ISP, "sclk_pwm_isp", "div_pwm_isp", - E4X12_SRC_MASK_ISP, 0, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPI0_ISP, "sclk_spi0_isp", "div_spi0_isp_pre", - E4X12_SRC_MASK_ISP, 4, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_SPI1_ISP, "sclk_spi1_isp", "div_spi1_isp_pre", - E4X12_SRC_MASK_ISP, 8, CLK_SET_RATE_PARENT, 0), - GATE(CLK_SCLK_UART_ISP, "sclk_uart_isp", "div_uart_isp", - E4X12_SRC_MASK_ISP, 12, CLK_SET_RATE_PARENT, 0), - GATE(CLK_PWM_ISP_SCLK, "pwm_isp_sclk", "sclk_pwm_isp", + GATE(CLK_PWM_ISP_SCLK, "pwm_isp_sclk", "div_pwm_isp", E4X12_GATE_IP_ISP, 0, 0, 0), - GATE(CLK_SPI0_ISP_SCLK, "spi0_isp_sclk", "sclk_spi0_isp", + GATE(CLK_SPI0_ISP_SCLK, "spi0_isp_sclk", "div_spi0_isp_pre", E4X12_GATE_IP_ISP, 1, 0, 0), - GATE(CLK_SPI1_ISP_SCLK, "spi1_isp_sclk", "sclk_spi1_isp", + GATE(CLK_SPI1_ISP_SCLK, "spi1_isp_sclk", "div_spi1_isp_pre", E4X12_GATE_IP_ISP, 2, 0, 0), - GATE(CLK_UART_ISP_SCLK, "uart_isp_sclk", "sclk_uart_isp", + GATE(CLK_UART_ISP_SCLK, "uart_isp_sclk", "div_uart_isp", E4X12_GATE_IP_ISP, 3, 0, 0), GATE(CLK_WDT, "watchdog", "aclk100", E4X12_GATE_IP_PERIR, 14, 0, 0), GATE(CLK_PCM0, "pcm0", "aclk100", E4X12_GATE_IP_MAUDIO, 2, diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 1fad4c5..184f642 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -661,7 +661,7 @@ static struct samsung_gate_clock exynos5250_gate_clks[] __initdata = { GATE(CLK_RTC, "rtc", "div_aclk66", GATE_IP_PERIS, 20, 0, 0), GATE(CLK_TMU, "tmu", "div_aclk66", GATE_IP_PERIS, 21, 0, 0), GATE(CLK_SMMU_TV, "smmu_tv", "mout_aclk200_disp1_sub", - GATE_IP_DISP1, 2, 0, 0), + GATE_IP_DISP1, 9, 0, 0), GATE(CLK_SMMU_FIMD1, "smmu_fimd1", "mout_aclk200_disp1_sub", GATE_IP_DISP1, 8, 0, 0), GATE(CLK_SMMU_2D, "smmu_2d", "div_aclk200", GATE_IP_ACP, 7, 0, 0), diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index 9d7d7ee..a4e6cc7 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -631,7 +631,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { SRC_TOP4, 16, 1), MUX(0, "mout_user_aclk266", mout_user_aclk266_p, SRC_TOP4, 20, 1), MUX(0, "mout_user_aclk166", mout_user_aclk166_p, SRC_TOP4, 24, 1), - MUX(0, "mout_user_aclk333", mout_user_aclk333_p, SRC_TOP4, 28, 1), + MUX(CLK_MOUT_USER_ACLK333, "mout_user_aclk333", mout_user_aclk333_p, + SRC_TOP4, 28, 1), MUX(0, "mout_user_aclk400_disp1", mout_user_aclk400_disp1_p, SRC_TOP5, 0, 1), @@ -684,7 +685,8 @@ static struct samsung_mux_clock exynos5x_mux_clks[] __initdata = { SRC_TOP11, 12, 1), MUX(0, "mout_sw_aclk266", mout_sw_aclk266_p, SRC_TOP11, 20, 1), MUX(0, "mout_sw_aclk166", mout_sw_aclk166_p, SRC_TOP11, 24, 1), - MUX(0, "mout_sw_aclk333", mout_sw_aclk333_p, SRC_TOP11, 28, 1), + MUX(CLK_MOUT_SW_ACLK333, "mout_sw_aclk333", mout_sw_aclk333_p, + SRC_TOP11, 28, 1), MUX(0, "mout_sw_aclk400_disp1", mout_sw_aclk400_disp1_p, SRC_TOP12, 4, 1), @@ -890,8 +892,6 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { GATE_BUS_TOP, 9, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk66_psgen", "mout_user_aclk66_psgen", GATE_BUS_TOP, 10, CLK_IGNORE_UNUSED, 0), - GATE(CLK_ACLK66_PERIC, "aclk66_peric", "mout_user_aclk66_peric", - GATE_BUS_TOP, 11, CLK_IGNORE_UNUSED, 0), GATE(0, "aclk266_isp", "mout_user_aclk266_isp", GATE_BUS_TOP, 13, 0, 0), GATE(0, "aclk166", "mout_user_aclk166", @@ -994,34 +994,61 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { SRC_MASK_FSYS, 24, CLK_SET_RATE_PARENT, 0), /* PERIC Block */ - GATE(CLK_UART0, "uart0", "aclk66_peric", GATE_IP_PERIC, 0, 0, 0), - GATE(CLK_UART1, "uart1", "aclk66_peric", GATE_IP_PERIC, 1, 0, 0), - GATE(CLK_UART2, "uart2", "aclk66_peric", GATE_IP_PERIC, 2, 0, 0), - GATE(CLK_UART3, "uart3", "aclk66_peric", GATE_IP_PERIC, 3, 0, 0), - GATE(CLK_I2C0, "i2c0", "aclk66_peric", GATE_IP_PERIC, 6, 0, 0), - GATE(CLK_I2C1, "i2c1", "aclk66_peric", GATE_IP_PERIC, 7, 0, 0), - GATE(CLK_I2C2, "i2c2", "aclk66_peric", GATE_IP_PERIC, 8, 0, 0), - GATE(CLK_I2C3, "i2c3", "aclk66_peric", GATE_IP_PERIC, 9, 0, 0), - GATE(CLK_USI0, "usi0", "aclk66_peric", GATE_IP_PERIC, 10, 0, 0), - GATE(CLK_USI1, "usi1", "aclk66_peric", GATE_IP_PERIC, 11, 0, 0), - GATE(CLK_USI2, "usi2", "aclk66_peric", GATE_IP_PERIC, 12, 0, 0), - GATE(CLK_USI3, "usi3", "aclk66_peric", GATE_IP_PERIC, 13, 0, 0), - GATE(CLK_I2C_HDMI, "i2c_hdmi", "aclk66_peric", GATE_IP_PERIC, 14, 0, 0), - GATE(CLK_TSADC, "tsadc", "aclk66_peric", GATE_IP_PERIC, 15, 0, 0), - GATE(CLK_SPI0, "spi0", "aclk66_peric", GATE_IP_PERIC, 16, 0, 0), - GATE(CLK_SPI1, "spi1", "aclk66_peric", GATE_IP_PERIC, 17, 0, 0), - GATE(CLK_SPI2, "spi2", "aclk66_peric", GATE_IP_PERIC, 18, 0, 0), - GATE(CLK_I2S1, "i2s1", "aclk66_peric", GATE_IP_PERIC, 20, 0, 0), - GATE(CLK_I2S2, "i2s2", "aclk66_peric", GATE_IP_PERIC, 21, 0, 0), - GATE(CLK_PCM1, "pcm1", "aclk66_peric", GATE_IP_PERIC, 22, 0, 0), - GATE(CLK_PCM2, "pcm2", "aclk66_peric", GATE_IP_PERIC, 23, 0, 0), - GATE(CLK_PWM, "pwm", "aclk66_peric", GATE_IP_PERIC, 24, 0, 0), - GATE(CLK_SPDIF, "spdif", "aclk66_peric", GATE_IP_PERIC, 26, 0, 0), - GATE(CLK_USI4, "usi4", "aclk66_peric", GATE_IP_PERIC, 28, 0, 0), - GATE(CLK_USI5, "usi5", "aclk66_peric", GATE_IP_PERIC, 30, 0, 0), - GATE(CLK_USI6, "usi6", "aclk66_peric", GATE_IP_PERIC, 31, 0, 0), - - GATE(CLK_KEYIF, "keyif", "aclk66_peric", GATE_BUS_PERIC, 22, 0, 0), + GATE(CLK_UART0, "uart0", "mout_user_aclk66_peric", + GATE_IP_PERIC, 0, 0, 0), + GATE(CLK_UART1, "uart1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 1, 0, 0), + GATE(CLK_UART2, "uart2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 2, 0, 0), + GATE(CLK_UART3, "uart3", "mout_user_aclk66_peric", + GATE_IP_PERIC, 3, 0, 0), + GATE(CLK_I2C0, "i2c0", "mout_user_aclk66_peric", + GATE_IP_PERIC, 6, 0, 0), + GATE(CLK_I2C1, "i2c1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 7, 0, 0), + GATE(CLK_I2C2, "i2c2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 8, 0, 0), + GATE(CLK_I2C3, "i2c3", "mout_user_aclk66_peric", + GATE_IP_PERIC, 9, 0, 0), + GATE(CLK_USI0, "usi0", "mout_user_aclk66_peric", + GATE_IP_PERIC, 10, 0, 0), + GATE(CLK_USI1, "usi1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 11, 0, 0), + GATE(CLK_USI2, "usi2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 12, 0, 0), + GATE(CLK_USI3, "usi3", "mout_user_aclk66_peric", + GATE_IP_PERIC, 13, 0, 0), + GATE(CLK_I2C_HDMI, "i2c_hdmi", "mout_user_aclk66_peric", + GATE_IP_PERIC, 14, 0, 0), + GATE(CLK_TSADC, "tsadc", "mout_user_aclk66_peric", + GATE_IP_PERIC, 15, 0, 0), + GATE(CLK_SPI0, "spi0", "mout_user_aclk66_peric", + GATE_IP_PERIC, 16, 0, 0), + GATE(CLK_SPI1, "spi1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 17, 0, 0), + GATE(CLK_SPI2, "spi2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 18, 0, 0), + GATE(CLK_I2S1, "i2s1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 20, 0, 0), + GATE(CLK_I2S2, "i2s2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 21, 0, 0), + GATE(CLK_PCM1, "pcm1", "mout_user_aclk66_peric", + GATE_IP_PERIC, 22, 0, 0), + GATE(CLK_PCM2, "pcm2", "mout_user_aclk66_peric", + GATE_IP_PERIC, 23, 0, 0), + GATE(CLK_PWM, "pwm", "mout_user_aclk66_peric", + GATE_IP_PERIC, 24, 0, 0), + GATE(CLK_SPDIF, "spdif", "mout_user_aclk66_peric", + GATE_IP_PERIC, 26, 0, 0), + GATE(CLK_USI4, "usi4", "mout_user_aclk66_peric", + GATE_IP_PERIC, 28, 0, 0), + GATE(CLK_USI5, "usi5", "mout_user_aclk66_peric", + GATE_IP_PERIC, 30, 0, 0), + GATE(CLK_USI6, "usi6", "mout_user_aclk66_peric", + GATE_IP_PERIC, 31, 0, 0), + + GATE(CLK_KEYIF, "keyif", "mout_user_aclk66_peric", + GATE_BUS_PERIC, 22, 0, 0), /* PERIS Block */ GATE(CLK_CHIPID, "chipid", "aclk66_psgen", diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c index ba07168..140f473 100644 --- a/drivers/clk/samsung/clk-s3c2410.c +++ b/drivers/clk/samsung/clk-s3c2410.c @@ -152,6 +152,11 @@ struct samsung_clock_alias s3c2410_common_aliases[] __initdata = { ALIAS(HCLK, NULL, "hclk"), ALIAS(MPLL, NULL, "mpll"), ALIAS(FCLK, NULL, "fclk"), + ALIAS(PCLK, NULL, "watchdog"), + ALIAS(PCLK_SDI, NULL, "sdi"), + ALIAS(HCLK_NAND, NULL, "nand"), + ALIAS(PCLK_I2S, NULL, "iis"), + ALIAS(PCLK_I2C, NULL, "i2c"), }; /* S3C2410 specific clocks */ @@ -378,7 +383,7 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, if (!np) s3c2410_common_clk_register_fixed_ext(ctx, xti_f); - if (current_soc == 2410) { + if (current_soc == S3C2410) { if (_get_rate("xti") == 12 * MHZ) { s3c2410_plls[mpll].rate_table = pll_s3c2410_12mhz_tbl; s3c2410_plls[upll].rate_table = pll_s3c2410_12mhz_tbl; @@ -432,7 +437,7 @@ void __init s3c2410_common_clk_init(struct device_node *np, unsigned long xti_f, samsung_clk_register_fixed_factor(ctx, s3c2410_ffactor, ARRAY_SIZE(s3c2410_ffactor)); samsung_clk_register_alias(ctx, s3c2410_aliases, - ARRAY_SIZE(s3c2410_common_aliases)); + ARRAY_SIZE(s3c2410_aliases)); break; case S3C2440: samsung_clk_register_mux(ctx, s3c2440_muxes, diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c index efa16ee..8889ff1c 100644 --- a/drivers/clk/samsung/clk-s3c64xx.c +++ b/drivers/clk/samsung/clk-s3c64xx.c @@ -418,8 +418,10 @@ static struct samsung_clock_alias s3c64xx_clock_aliases[] = { ALIAS(SCLK_MMC2, "s3c-sdhci.2", "mmc_busclk.2"), ALIAS(SCLK_MMC1, "s3c-sdhci.1", "mmc_busclk.2"), ALIAS(SCLK_MMC0, "s3c-sdhci.0", "mmc_busclk.2"), - ALIAS(SCLK_SPI1, "s3c6410-spi.1", "spi-bus"), - ALIAS(SCLK_SPI0, "s3c6410-spi.0", "spi-bus"), + ALIAS(PCLK_SPI1, "s3c6410-spi.1", "spi_busclk0"), + ALIAS(SCLK_SPI1, "s3c6410-spi.1", "spi_busclk2"), + ALIAS(PCLK_SPI0, "s3c6410-spi.0", "spi_busclk0"), + ALIAS(SCLK_SPI0, "s3c6410-spi.0", "spi_busclk2"), ALIAS(SCLK_AUDIO1, "samsung-pcm.1", "audio-bus"), ALIAS(SCLK_AUDIO1, "samsung-i2s.1", "audio-bus"), ALIAS(SCLK_AUDIO0, "samsung-pcm.0", "audio-bus"), diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c index c2d2043..bb5f387 100644 --- a/drivers/clk/spear/spear3xx_clock.c +++ b/drivers/clk/spear/spear3xx_clock.c @@ -211,7 +211,7 @@ static inline void spear310_clk_init(void) { } /* array of all spear 320 clock lookups */ #ifdef CONFIG_MACH_SPEAR320 -#define SPEAR320_CONTROL_REG (soc_config_base + 0x0000) +#define SPEAR320_CONTROL_REG (soc_config_base + 0x0010) #define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018) #define SPEAR320_UARTX_PCLK_MASK 0x1 @@ -245,7 +245,8 @@ static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk", "ras_syn0_gclk", }; static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", }; -static void __init spear320_clk_init(void __iomem *soc_config_base) +static void __init spear320_clk_init(void __iomem *soc_config_base, + struct clk *ras_apb_clk) { struct clk *clk; @@ -342,6 +343,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base) SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "a3000000.serial"); + /* Enforce ras_apb_clk */ + clk_set_parent(clk, ras_apb_clk); clk = clk_register_mux(NULL, "uart2_clk", uartx_parents, ARRAY_SIZE(uartx_parents), @@ -349,6 +352,8 @@ static void __init spear320_clk_init(void __iomem *soc_config_base) SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT, SPEAR320_UARTX_PCLK_MASK, 0, &_lock); clk_register_clkdev(clk, NULL, "a4000000.serial"); + /* Enforce ras_apb_clk */ + clk_set_parent(clk, ras_apb_clk); clk = clk_register_mux(NULL, "uart3_clk", uartx_parents, ARRAY_SIZE(uartx_parents), @@ -379,12 +384,12 @@ static void __init spear320_clk_init(void __iomem *soc_config_base) clk_register_clkdev(clk, NULL, "60100000.serial"); } #else -static inline void spear320_clk_init(void __iomem *soc_config_base) { } +static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { } #endif void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base) { - struct clk *clk, *clk1; + struct clk *clk, *clk1, *ras_apb_clk; clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT, 32000); @@ -613,6 +618,7 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_ clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB, RAS_APB_CLK_ENB, 0, &_lock); clk_register_clkdev(clk, "ras_apb_clk", NULL); + ras_apb_clk = clk; clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0, RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock); @@ -659,5 +665,5 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_ else if (of_machine_is_compatible("st,spear310")) spear310_clk_init(); else if (of_machine_is_compatible("st,spear320")) - spear320_clk_init(soc_config_base); + spear320_clk_init(soc_config_base, ras_apb_clk); } diff --git a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c index 44cd27c..670f90d 100644 --- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c +++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c @@ -29,7 +29,7 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg = devm_ioremap_resource(&pdev->dev, r); - if (!reg) + if (IS_ERR(reg)) return PTR_ERR(reg); clk_parent = of_clk_get_parent_name(np, 0); diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c index 5428c9c..72d9727 100644 --- a/drivers/clk/ti/apll.c +++ b/drivers/clk/ti/apll.c @@ -77,13 +77,11 @@ static int dra7_apll_enable(struct clk_hw *hw) if (i == MAX_APLL_WAIT_TRIES) { pr_warn("clock: %s failed transition to '%s'\n", clk_name, (state) ? "locked" : "bypassed"); - } else { + r = -EBUSY; + } else pr_debug("clock: %s transition to '%s' in %d loops\n", clk_name, (state) ? "locked" : "bypassed", i); - r = 0; - } - return r; } @@ -338,7 +336,7 @@ static void __init of_omap2_apll_setup(struct device_node *node) const char *parent_name; u32 val; - ad = kzalloc(sizeof(*clk_hw), GFP_KERNEL); + ad = kzalloc(sizeof(*ad), GFP_KERNEL); clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL); init = kzalloc(sizeof(*init), GFP_KERNEL); diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c index abd956d..79791e1 100644 --- a/drivers/clk/ti/dpll.c +++ b/drivers/clk/ti/dpll.c @@ -161,7 +161,8 @@ cleanup: } #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \ - defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) + defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM33XX) || \ + defined(CONFIG_SOC_AM43XX) /** * ti_clk_register_dpll_x2 - Registers a DPLLx2 clock * @node: device node for this clock @@ -322,7 +323,7 @@ CLK_OF_DECLARE(ti_omap4_dpll_x2_clock, "ti,omap4-dpll-x2-clock", of_ti_omap4_dpll_x2_setup); #endif -#ifdef CONFIG_SOC_AM33XX +#if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX) static void __init of_ti_am3_dpll_x2_setup(struct device_node *node) { ti_clk_register_dpll_x2(node, &dpll_x2_ck_ops, NULL); diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c index 0197a47..e9d650e 100644 --- a/drivers/clk/ti/mux.c +++ b/drivers/clk/ti/mux.c @@ -160,7 +160,7 @@ static void of_mux_clk_setup(struct device_node *node) u8 clk_mux_flags = 0; u32 mask = 0; u32 shift = 0; - u32 flags = 0; + u32 flags = CLK_SET_RATE_NO_REPARENT; num_parents = of_clk_get_parent_count(node); if (num_parents < 2) { diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index f71d55f..ab51bf20a 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -162,7 +162,7 @@ static void exynos4_mct_frc_start(void) exynos4_mct_write(reg, EXYNOS4_MCT_G_TCON); } -static cycle_t exynos4_frc_read(struct clocksource *cs) +static cycle_t notrace _exynos4_frc_read(void) { unsigned int lo, hi; u32 hi2 = __raw_readl(reg_base + EXYNOS4_MCT_G_CNT_U); @@ -176,6 +176,11 @@ static cycle_t exynos4_frc_read(struct clocksource *cs) return ((cycle_t)hi << 32) | lo; } +static cycle_t exynos4_frc_read(struct clocksource *cs) +{ + return _exynos4_frc_read(); +} + static void exynos4_frc_resume(struct clocksource *cs) { exynos4_mct_frc_start(); @@ -192,13 +197,24 @@ struct clocksource mct_frc = { static u64 notrace exynos4_read_sched_clock(void) { - return exynos4_frc_read(&mct_frc); + return _exynos4_frc_read(); +} + +static struct delay_timer exynos4_delay_timer; + +static cycles_t exynos4_read_current_timer(void) +{ + return _exynos4_frc_read(); } static void __init exynos4_clocksource_init(void) { exynos4_mct_frc_start(); + exynos4_delay_timer.read_current_timer = &exynos4_read_current_timer; + exynos4_delay_timer.freq = clk_rate; + register_current_timer_delay(&exynos4_delay_timer); + if (clocksource_register_hz(&mct_frc, clk_rate)) panic("%s: can't register clocksource\n", mct_frc.name); diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index 738c8b7..db6d9a2 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -49,7 +49,7 @@ obj-$(CONFIG_ARM_BIG_LITTLE_CPUFREQ) += arm_big_little.o # LITTLE drivers, so that it is probed last. obj-$(CONFIG_ARM_DT_BL_CPUFREQ) += arm_big_little_dt.o -obj-$(CONFIG_ARCH_DAVINCI_DA850) += davinci-cpufreq.o +obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o obj-$(CONFIG_UX500_SOC_DB8500) += dbx500-cpufreq.o obj-$(CONFIG_ARM_EXYNOS_CPUFREQ) += exynos-cpufreq.o obj-$(CONFIG_ARM_EXYNOS4210_CPUFREQ) += exynos4210-cpufreq.o diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 924bb2d..86631cb 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -128,6 +128,7 @@ static struct pstate_funcs pstate_funcs; struct perf_limits { int no_turbo; + int turbo_disabled; int max_perf_pct; int min_perf_pct; int32_t max_perf; @@ -287,7 +288,10 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, if (ret != 1) return -EINVAL; limits.no_turbo = clamp_t(int, input, 0 , 1); - + if (limits.turbo_disabled) { + pr_warn("Turbo disabled by BIOS or unavailable on processor\n"); + limits.no_turbo = limits.turbo_disabled; + } return count; } @@ -357,21 +361,21 @@ static int byt_get_min_pstate(void) { u64 value; rdmsrl(BYT_RATIOS, value); - return (value >> 8) & 0x3F; + return (value >> 8) & 0x7F; } static int byt_get_max_pstate(void) { u64 value; rdmsrl(BYT_RATIOS, value); - return (value >> 16) & 0x3F; + return (value >> 16) & 0x7F; } static int byt_get_turbo_pstate(void) { u64 value; rdmsrl(BYT_TURBO_RATIOS, value); - return value & 0x3F; + return value & 0x7F; } static void byt_set_pstate(struct cpudata *cpudata, int pstate) @@ -381,7 +385,7 @@ static void byt_set_pstate(struct cpudata *cpudata, int pstate) u32 vid; val = pstate << 8; - if (limits.no_turbo) + if (limits.no_turbo && !limits.turbo_disabled) val |= (u64)1 << 32; vid_fp = cpudata->vid.min + mul_fp( @@ -405,8 +409,8 @@ static void byt_get_vid(struct cpudata *cpudata) rdmsrl(BYT_VIDS, value); - cpudata->vid.min = int_tofp((value >> 8) & 0x3f); - cpudata->vid.max = int_tofp((value >> 16) & 0x3f); + cpudata->vid.min = int_tofp((value >> 8) & 0x7f); + cpudata->vid.max = int_tofp((value >> 16) & 0x7f); cpudata->vid.ratio = div_fp( cpudata->vid.max - cpudata->vid.min, int_tofp(cpudata->pstate.max_pstate - @@ -448,7 +452,7 @@ static void core_set_pstate(struct cpudata *cpudata, int pstate) u64 val; val = pstate << 8; - if (limits.no_turbo) + if (limits.no_turbo && !limits.turbo_disabled) val |= (u64)1 << 32; wrmsrl_on_cpu(cpudata->cpu, MSR_IA32_PERF_CTL, val); @@ -696,9 +700,8 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; - intel_pstate_get_cpu_pstates(cpu); - cpu->cpu = cpunum; + intel_pstate_get_cpu_pstates(cpu); init_timer_deferrable(&cpu->timer); cpu->timer.function = intel_pstate_timer_func; @@ -741,7 +744,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) limits.min_perf = int_tofp(1); limits.max_perf_pct = 100; limits.max_perf = int_tofp(1); - limits.no_turbo = 0; + limits.no_turbo = limits.turbo_disabled; return 0; } limits.min_perf_pct = (policy->min * 100) / policy->cpuinfo.max_freq; @@ -784,6 +787,7 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) { struct cpudata *cpu; int rc; + u64 misc_en; rc = intel_pstate_init_cpu(policy->cpu); if (rc) @@ -791,8 +795,13 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) cpu = all_cpu_data[policy->cpu]; - if (!limits.no_turbo && - limits.min_perf_pct == 100 && limits.max_perf_pct == 100) + rdmsrl(MSR_IA32_MISC_ENABLE, misc_en); + if (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE || + cpu->pstate.max_pstate == cpu->pstate.turbo_pstate) { + limits.turbo_disabled = 1; + limits.no_turbo = 1; + } + if (limits.min_perf_pct == 100 && limits.max_perf_pct == 100) policy->policy = CPUFREQ_POLICY_PERFORMANCE; else policy->policy = CPUFREQ_POLICY_POWERSAVE; diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index 1d80bd3..b512a4b 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -453,8 +453,8 @@ static int caam_jr_probe(struct platform_device *pdev) int error; jrdev = &pdev->dev; - jrpriv = kmalloc(sizeof(struct caam_drv_private_jr), - GFP_KERNEL); + jrpriv = devm_kmalloc(jrdev, sizeof(struct caam_drv_private_jr), + GFP_KERNEL); if (!jrpriv) return -ENOMEM; @@ -487,10 +487,8 @@ static int caam_jr_probe(struct platform_device *pdev) /* Now do the platform independent part */ error = caam_jr_init(jrdev); /* now turn on hardware */ - if (error) { - kfree(jrpriv); + if (error) return error; - } jrpriv->dev = jrdev; spin_lock(&driver_data.jr_alloc_lock); diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index d028f36..8f8b0b6 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -86,6 +86,9 @@ #define USBSS_IRQ_PD_COMP (1 << 2) +/* Packet Descriptor */ +#define PD2_ZERO_LENGTH (1 << 19) + struct cppi41_channel { struct dma_chan chan; struct dma_async_tx_descriptor txd; @@ -307,7 +310,7 @@ static irqreturn_t cppi41_irq(int irq, void *data) __iormb(); while (val) { - u32 desc; + u32 desc, len; q_num = __fls(val); val &= ~(1 << q_num); @@ -319,9 +322,13 @@ static irqreturn_t cppi41_irq(int irq, void *data) q_num, desc); continue; } - c->residue = pd_trans_len(c->desc->pd6) - - pd_trans_len(c->desc->pd0); + if (c->desc->pd2 & PD2_ZERO_LENGTH) + len = 0; + else + len = pd_trans_len(c->desc->pd0); + + c->residue = pd_trans_len(c->desc->pd6) - len; dma_cookie_complete(&c->txd); c->txd.callback(c->txd.callback_param); } diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 1287146..14867e3 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -255,6 +255,7 @@ struct sdma_channel { enum dma_slave_buswidth word_size; unsigned int buf_tail; unsigned int num_bd; + unsigned int period_len; struct sdma_buffer_descriptor *bd; dma_addr_t bd_phys; unsigned int pc_from_device, pc_to_device; @@ -593,6 +594,12 @@ static void sdma_event_disable(struct sdma_channel *sdmac, unsigned int event) static void sdma_handle_channel_loop(struct sdma_channel *sdmac) { + if (sdmac->desc.callback) + sdmac->desc.callback(sdmac->desc.callback_param); +} + +static void sdma_update_channel_loop(struct sdma_channel *sdmac) +{ struct sdma_buffer_descriptor *bd; /* @@ -611,9 +618,6 @@ static void sdma_handle_channel_loop(struct sdma_channel *sdmac) bd->mode.status |= BD_DONE; sdmac->buf_tail++; sdmac->buf_tail %= sdmac->num_bd; - - if (sdmac->desc.callback) - sdmac->desc.callback(sdmac->desc.callback_param); } } @@ -669,6 +673,9 @@ static irqreturn_t sdma_int_handler(int irq, void *dev_id) int channel = fls(stat) - 1; struct sdma_channel *sdmac = &sdma->channel[channel]; + if (sdmac->flags & IMX_DMA_SG_LOOP) + sdma_update_channel_loop(sdmac); + tasklet_schedule(&sdmac->tasklet); __clear_bit(channel, &stat); @@ -1129,6 +1136,7 @@ static struct dma_async_tx_descriptor *sdma_prep_dma_cyclic( sdmac->status = DMA_IN_PROGRESS; sdmac->buf_tail = 0; + sdmac->period_len = period_len; sdmac->flags |= IMX_DMA_SG_LOOP; sdmac->direction = direction; @@ -1225,9 +1233,15 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan, struct dma_tx_state *txstate) { struct sdma_channel *sdmac = to_sdma_chan(chan); + u32 residue; + + if (sdmac->flags & IMX_DMA_SG_LOOP) + residue = (sdmac->num_bd - sdmac->buf_tail) * sdmac->period_len; + else + residue = sdmac->chn_count - sdmac->chn_real_count; dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie, - sdmac->chn_count - sdmac->chn_real_count); + residue); return sdmac->status; } diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig index 4199849..145974f 100644 --- a/drivers/firewire/Kconfig +++ b/drivers/firewire/Kconfig @@ -1,4 +1,5 @@ menu "IEEE 1394 (FireWire) support" + depends on HAS_DMA depends on PCI || COMPILE_TEST # firewire-core does not depend on PCI but is # not useful without PCI controller driver diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index fe7c0e2..57adbc9 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -900,8 +900,6 @@ static int mcp23s08_probe(struct spi_device *spi) if (spi_present_mask & (1 << addr)) chips++; } - if (!chips) - return -ENODEV; } else { type = spi_get_device_id(spi)->driver_data; pdata = dev_get_platdata(&spi->dev); @@ -940,10 +938,6 @@ static int mcp23s08_probe(struct spi_device *spi) if (!(spi_present_mask & (1 << addr))) continue; chips--; - if (chips < 0) { - dev_err(&spi->dev, "FATAL: invalid negative chip id\n"); - goto fail; - } data->mcp[addr] = &data->chip[chips]; status = mcp23s08_probe_one(data->mcp[addr], &spi->dev, spi, 0x40 | (addr << 1), type, base, diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 8218078..8218078 100755..100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c index 240c331..ac357b0 100644 --- a/drivers/gpu/drm/i2c/tda998x_drv.c +++ b/drivers/gpu/drm/i2c/tda998x_drv.c @@ -810,6 +810,12 @@ static int tda998x_encoder_mode_valid(struct drm_encoder *encoder, struct drm_display_mode *mode) { + if (mode->clock > 150000) + return MODE_CLOCK_HIGH; + if (mode->htotal >= BIT(13)) + return MODE_BAD_HVALUE; + if (mode->vtotal >= BIT(11)) + return MODE_BAD_VVALUE; return MODE_OK; } @@ -1048,8 +1054,8 @@ read_edid_block(struct drm_encoder *encoder, uint8_t *buf, int blk) return i; } } else { - for (i = 10; i > 0; i--) { - msleep(10); + for (i = 100; i > 0; i--) { + msleep(1); ret = reg_read(priv, REG_INT_FLAGS_2); if (ret < 0) return ret; @@ -1183,7 +1189,6 @@ static void tda998x_encoder_destroy(struct drm_encoder *encoder) { struct tda998x_priv *priv = to_tda998x_priv(encoder); - drm_i2c_encoder_destroy(encoder); /* disable all IRQs and free the IRQ handler */ cec_write(priv, REG_CEC_RXSHPDINTENA, 0); @@ -1193,6 +1198,7 @@ tda998x_encoder_destroy(struct drm_encoder *encoder) if (priv->cec) i2c_unregister_device(priv->cec); + drm_i2c_encoder_destroy(encoder); kfree(priv); } diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 6c65639..d443441 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1464,12 +1464,13 @@ static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv) #else static int i915_kick_out_vgacon(struct drm_i915_private *dev_priv) { - int ret; + int ret = 0; DRM_INFO("Replacing VGA console driver\n"); console_lock(); - ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1); + if (con_is_bound(&vga_con)) + ret = do_take_over_console(&dummy_con, 0, MAX_NR_CONSOLES - 1, 1); if (ret == 0) { ret = do_unregister_con_driver(&vga_con); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index a47fbf6..374f964 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -656,6 +656,7 @@ enum intel_sbi_destination { #define QUIRK_PIPEA_FORCE (1<<0) #define QUIRK_LVDS_SSC_DISABLE (1<<1) #define QUIRK_INVERT_BRIGHTNESS (1<<2) +#define QUIRK_BACKLIGHT_PRESENT (1<<3) struct intel_fbdev; struct intel_fbc_work; diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 62ef55b..7465ab0 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -74,6 +74,50 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev) if (base == 0) return 0; + /* make sure we don't clobber the GTT if it's within stolen memory */ + if (INTEL_INFO(dev)->gen <= 4 && !IS_G33(dev) && !IS_G4X(dev)) { + struct { + u32 start, end; + } stolen[2] = { + { .start = base, .end = base + dev_priv->gtt.stolen_size, }, + { .start = base, .end = base + dev_priv->gtt.stolen_size, }, + }; + u64 gtt_start, gtt_end; + + gtt_start = I915_READ(PGTBL_CTL); + if (IS_GEN4(dev)) + gtt_start = (gtt_start & PGTBL_ADDRESS_LO_MASK) | + (gtt_start & PGTBL_ADDRESS_HI_MASK) << 28; + else + gtt_start &= PGTBL_ADDRESS_LO_MASK; + gtt_end = gtt_start + gtt_total_entries(dev_priv->gtt) * 4; + + if (gtt_start >= stolen[0].start && gtt_start < stolen[0].end) + stolen[0].end = gtt_start; + if (gtt_end > stolen[1].start && gtt_end <= stolen[1].end) + stolen[1].start = gtt_end; + + /* pick the larger of the two chunks */ + if (stolen[0].end - stolen[0].start > + stolen[1].end - stolen[1].start) { + base = stolen[0].start; + dev_priv->gtt.stolen_size = stolen[0].end - stolen[0].start; + } else { + base = stolen[1].start; + dev_priv->gtt.stolen_size = stolen[1].end - stolen[1].start; + } + + if (stolen[0].start != stolen[1].start || + stolen[0].end != stolen[1].end) { + DRM_DEBUG_KMS("GTT within stolen memory at 0x%llx-0x%llx\n", + (unsigned long long) gtt_start, + (unsigned long long) gtt_end - 1); + DRM_DEBUG_KMS("Stolen memory adjusted to 0x%x-0x%x\n", + base, base + (u32) dev_priv->gtt.stolen_size - 1); + } + } + + /* Verify that nothing else uses this physical address. Stolen * memory should be reserved by the BIOS and hidden from the * kernel. So if the region is already marked as busy, something diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e691b30..a5bab61 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -942,6 +942,9 @@ enum punit_power_well { /* * Instruction and interrupt control regs */ +#define PGTBL_CTL 0x02020 +#define PGTBL_ADDRESS_LO_MASK 0xfffff000 /* bits [31:12] */ +#define PGTBL_ADDRESS_HI_MASK 0x000000f0 /* bits [35:32] (gen4) */ #define PGTBL_ER 0x02024 #define RENDER_RING_BASE 0x02000 #define BSD_RING_BASE 0x04000 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5f285fb..e27e780 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2087,6 +2087,7 @@ void intel_flush_primary_plane(struct drm_i915_private *dev_priv, static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv, enum plane plane, enum pipe pipe) { + struct drm_device *dev = dev_priv->dev; struct intel_crtc *intel_crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); int reg; @@ -2106,6 +2107,14 @@ static void intel_enable_primary_hw_plane(struct drm_i915_private *dev_priv, I915_WRITE(reg, val | DISPLAY_PLANE_ENABLE); intel_flush_primary_plane(dev_priv, plane); + + /* + * BDW signals flip done immediately if the plane + * is disabled, even if the plane enable is already + * armed to occur at the next vblank :( + */ + if (IS_BROADWELL(dev)) + intel_wait_for_vblank(dev, intel_crtc->pipe); } /** @@ -11088,6 +11097,22 @@ const char *intel_output_name(int output) return names[output]; } +static bool intel_crt_present(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + if (IS_ULT(dev)) + return false; + + if (IS_CHERRYVIEW(dev)) + return false; + + if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) + return false; + + return true; +} + static void intel_setup_outputs(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; @@ -11096,7 +11121,7 @@ static void intel_setup_outputs(struct drm_device *dev) intel_lvds_init(dev); - if (!IS_ULT(dev) && !IS_CHERRYVIEW(dev) && dev_priv->vbt.int_crt_support) + if (intel_crt_present(dev)) intel_crt_init(dev); if (HAS_DDI(dev)) { @@ -11566,6 +11591,14 @@ static void quirk_invert_brightness(struct drm_device *dev) DRM_INFO("applying inverted panel brightness quirk\n"); } +/* Some VBT's incorrectly indicate no backlight is present */ +static void quirk_backlight_present(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; + DRM_INFO("applying backlight present quirk\n"); +} + struct intel_quirk { int device; int subsystem_vendor; @@ -11634,6 +11667,12 @@ static struct intel_quirk intel_quirks[] = { /* Acer Aspire 5336 */ { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, + + /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ + { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, + + /* Toshiba CB35 Chromebook (Celeron 2955U) */ + { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, }; static void intel_init_quirks(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 52fda95..075170d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -28,6 +28,8 @@ #include <linux/i2c.h> #include <linux/slab.h> #include <linux/export.h> +#include <linux/notifier.h> +#include <linux/reboot.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> #include <drm/drm_crtc_helper.h> @@ -336,6 +338,37 @@ static u32 _pp_stat_reg(struct intel_dp *intel_dp) return VLV_PIPE_PP_STATUS(vlv_power_sequencer_pipe(intel_dp)); } +/* Reboot notifier handler to shutdown panel power to guarantee T12 timing + This function only applicable when panel PM state is not to be tracked */ +static int edp_notify_handler(struct notifier_block *this, unsigned long code, + void *unused) +{ + struct intel_dp *intel_dp = container_of(this, typeof(* intel_dp), + edp_notifier); + struct drm_device *dev = intel_dp_to_dev(intel_dp); + struct drm_i915_private *dev_priv = dev->dev_private; + u32 pp_div; + u32 pp_ctrl_reg, pp_div_reg; + enum pipe pipe = vlv_power_sequencer_pipe(intel_dp); + + if (!is_edp(intel_dp) || code != SYS_RESTART) + return 0; + + if (IS_VALLEYVIEW(dev)) { + pp_ctrl_reg = VLV_PIPE_PP_CONTROL(pipe); + pp_div_reg = VLV_PIPE_PP_DIVISOR(pipe); + pp_div = I915_READ(pp_div_reg); + pp_div &= PP_REFERENCE_DIVIDER_MASK; + + /* 0x1F write to PP_DIV_REG sets max cycle delay */ + I915_WRITE(pp_div_reg, pp_div | 0x1F); + I915_WRITE(pp_ctrl_reg, PANEL_UNLOCK_REGS | PANEL_POWER_OFF); + msleep(intel_dp->panel_power_cycle_delay); + } + + return 0; +} + static bool edp_have_panel_power(struct intel_dp *intel_dp) { struct drm_device *dev = intel_dp_to_dev(intel_dp); @@ -3707,6 +3740,10 @@ void intel_dp_encoder_destroy(struct drm_encoder *encoder) drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); edp_panel_vdd_off_sync(intel_dp); drm_modeset_unlock(&dev->mode_config.connection_mutex); + if (intel_dp->edp_notifier.notifier_call) { + unregister_reboot_notifier(&intel_dp->edp_notifier); + intel_dp->edp_notifier.notifier_call = NULL; + } } kfree(intel_dig_port); } @@ -4184,6 +4221,11 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, } mutex_unlock(&dev->mode_config.mutex); + if (IS_VALLEYVIEW(dev)) { + intel_dp->edp_notifier.notifier_call = edp_notify_handler; + register_reboot_notifier(&intel_dp->edp_notifier); + } + intel_panel_init(&intel_connector->panel, fixed_mode, downclock_mode); intel_panel_setup_backlight(connector); diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index eaa27ee..f67340e 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -538,6 +538,8 @@ struct intel_dp { unsigned long last_power_on; unsigned long last_backlight_off; bool psr_setup_done; + struct notifier_block edp_notifier; + bool use_tps3; struct intel_connector *attached_connector; diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 02f99d7..3fd0829 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -117,17 +117,18 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder) /* bandgap reset is needed after everytime we do power gate */ band_gap_reset(dev_priv); + I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER); + usleep_range(2500, 3000); + val = I915_READ(MIPI_PORT_CTRL(pipe)); I915_WRITE(MIPI_PORT_CTRL(pipe), val | LP_OUTPUT_HOLD); usleep_range(1000, 1500); - I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_EXIT); - usleep_range(2000, 2500); - I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY); - usleep_range(2000, 2500); - I915_WRITE(MIPI_DEVICE_READY(pipe), 0x00); - usleep_range(2000, 2500); + + I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_EXIT); + usleep_range(2500, 3000); + I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY); - usleep_range(2000, 2500); + usleep_range(2500, 3000); } static void intel_dsi_enable(struct intel_encoder *encoder) @@ -271,23 +272,23 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder) DRM_DEBUG_KMS("\n"); - I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER); + I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_ENTER); usleep_range(2000, 2500); - I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_EXIT); + I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_EXIT); usleep_range(2000, 2500); - I915_WRITE(MIPI_DEVICE_READY(pipe), ULPS_STATE_ENTER); + I915_WRITE(MIPI_DEVICE_READY(pipe), DEVICE_READY | ULPS_STATE_ENTER); usleep_range(2000, 2500); - val = I915_READ(MIPI_PORT_CTRL(pipe)); - I915_WRITE(MIPI_PORT_CTRL(pipe), val & ~LP_OUTPUT_HOLD); - usleep_range(1000, 1500); - if (wait_for(((I915_READ(MIPI_PORT_CTRL(pipe)) & AFE_LATCHOUT) == 0x00000), 30)) DRM_ERROR("DSI LP not going Low\n"); + val = I915_READ(MIPI_PORT_CTRL(pipe)); + I915_WRITE(MIPI_PORT_CTRL(pipe), val & ~LP_OUTPUT_HOLD); + usleep_range(1000, 1500); + I915_WRITE(MIPI_DEVICE_READY(pipe), 0x00); usleep_range(2000, 2500); diff --git a/drivers/gpu/drm/i915/intel_dsi_cmd.c b/drivers/gpu/drm/i915/intel_dsi_cmd.c index 3eeb21b..933c863 100644 --- a/drivers/gpu/drm/i915/intel_dsi_cmd.c +++ b/drivers/gpu/drm/i915/intel_dsi_cmd.c @@ -404,12 +404,6 @@ int dpi_send_cmd(struct intel_dsi *intel_dsi, u32 cmd, bool hs) else cmd |= DPI_LP_MODE; - /* DPI virtual channel?! */ - - mask = DPI_FIFO_EMPTY; - if (wait_for((I915_READ(MIPI_GEN_FIFO_STAT(pipe)) & mask) == mask, 50)) - DRM_ERROR("Timeout waiting for DPI FIFO empty.\n"); - /* clear bit */ I915_WRITE(MIPI_INTR_STAT(pipe), SPL_PKT_SENT_INTERRUPT); diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 2e2c71f..4f6b539 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -403,6 +403,15 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); + /* + * If the acpi_video interface is not supposed to be used, don't + * bother processing backlight level change requests from firmware. + */ + if (!acpi_video_verify_backlight_support()) { + DRM_DEBUG_KMS("opregion backlight request ignored\n"); + return 0; + } + if (!(bclp & ASLE_BCLP_VALID)) return ASLC_BACKLIGHT_FAILED; diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 38a9857..628cd89 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -1118,8 +1118,12 @@ int intel_panel_setup_backlight(struct drm_connector *connector) int ret; if (!dev_priv->vbt.backlight.present) { - DRM_DEBUG_KMS("native backlight control not available per VBT\n"); - return 0; + if (dev_priv->quirks & QUIRK_BACKLIGHT_PRESENT) { + DRM_DEBUG_KMS("no backlight present per VBT, but present per quirk\n"); + } else { + DRM_DEBUG_KMS("no backlight present per VBT\n"); + return 0; + } } /* set level and max in panel struct */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 9ad0c6a..ee728070 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3209,6 +3209,14 @@ void gen6_set_rps(struct drm_device *dev, u8 val) */ static void vlv_set_rps_idle(struct drm_i915_private *dev_priv) { + struct drm_device *dev = dev_priv->dev; + + /* Latest VLV doesn't need to force the gfx clock */ + if (dev->pdev->revision >= 0xd) { + valleyview_set_rps(dev_priv->dev, dev_priv->rps.min_freq_softlimit); + return; + } + /* * When we are idle. Drop to min voltage state. */ @@ -6038,6 +6046,27 @@ int i915_release_power_well(void) } EXPORT_SYMBOL_GPL(i915_release_power_well); +/* + * Private interface for the audio driver to get CDCLK in kHz. + * + * Caller must request power well using i915_request_power_well() prior to + * making the call. + */ +int i915_get_cdclk_freq(void) +{ + struct drm_i915_private *dev_priv; + + if (!hsw_pwr) + return -ENODEV; + + dev_priv = container_of(hsw_pwr, struct drm_i915_private, + power_domains); + + return intel_ddi_get_cdclk_freq(dev_priv); +} +EXPORT_SYMBOL_GPL(i915_get_cdclk_freq); + + #define POWER_DOMAIN_MASK (BIT(POWER_DOMAIN_NUM) - 1) #define HSW_ALWAYS_ON_POWER_DOMAINS ( \ diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 1b66ddc..9a17b4e 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -691,6 +691,14 @@ intel_post_enable_primary(struct drm_crtc *crtc) struct intel_crtc *intel_crtc = to_intel_crtc(crtc); /* + * BDW signals flip done immediately if the plane + * is disabled, even if the plane enable is already + * armed to occur at the next vblank :( + */ + if (IS_BROADWELL(dev)) + intel_wait_for_vblank(dev, intel_crtc->pipe); + + /* * FIXME IPS should be fine as long as one plane is * enabled, but in practice it seems to have problems * when going from primary only to sprite only and vice diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 26e962b..2283c44 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -1516,11 +1516,11 @@ nv50_disp_intr_unk20_2(struct nv50_disp_priv *priv, int head) } switch ((ctrl & 0x000f0000) >> 16) { - case 6: datarate = pclk * 30 / 8; break; - case 5: datarate = pclk * 24 / 8; break; + case 6: datarate = pclk * 30; break; + case 5: datarate = pclk * 24; break; case 2: default: - datarate = pclk * 18 / 8; + datarate = pclk * 18; break; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c index 48aa38a..fa30d81 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nvd0.c @@ -1159,11 +1159,11 @@ nvd0_disp_intr_unk2_2(struct nv50_disp_priv *priv, int head) if (outp->info.type == DCB_OUTPUT_DP) { u32 sync = nv_rd32(priv, 0x660404 + (head * 0x300)); switch ((sync & 0x000003c0) >> 6) { - case 6: pclk = pclk * 30 / 8; break; - case 5: pclk = pclk * 24 / 8; break; + case 6: pclk = pclk * 30; break; + case 5: pclk = pclk * 24; break; case 2: default: - pclk = pclk * 18 / 8; + pclk = pclk * 18; break; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c index 52c299c..eb2d778 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/outpdp.c @@ -34,7 +34,7 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait) struct nvkm_output_dp *outp = (void *)base; bool retrain = true; u8 link[2], stat[3]; - u32 rate; + u32 linkrate; int ret, i; /* check that the link is trained at a high enough rate */ @@ -44,8 +44,10 @@ nvkm_output_dp_train(struct nvkm_output *base, u32 datarate, bool wait) goto done; } - rate = link[0] * 27000 * (link[1] & DPCD_LC01_LANE_COUNT_SET); - if (rate < ((datarate / 8) * 10)) { + linkrate = link[0] * 27000 * (link[1] & DPCD_LC01_LANE_COUNT_SET); + linkrate = (linkrate * 8) / 10; /* 8B/10B coding overhead */ + datarate = (datarate + 9) / 10; /* -> decakilobits */ + if (linkrate < datarate) { DBG("link not trained at sufficient rate\n"); goto done; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c index e183277..7a1ebdf 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c @@ -87,6 +87,7 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) struct nvkm_output_dp *outpdp = (void *)outp; switch (data) { case NV94_DISP_SOR_DP_PWR_STATE_OFF: + nouveau_event_put(outpdp->irq); ((struct nvkm_output_dp_impl *)nv_oclass(outp)) ->lnk_pwr(outpdp, 0); atomic_set(&outpdp->lt.done, 0); diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h index 0f57fcf..2af9cfd 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramfuc.h @@ -26,7 +26,7 @@ ramfuc_reg2(u32 addr1, u32 addr2) }; } -static inline struct ramfuc_reg +static noinline struct ramfuc_reg ramfuc_reg(u32 addr) { return ramfuc_reg2(addr, addr); @@ -107,7 +107,7 @@ ramfuc_nsec(struct ramfuc *ram, u32 nsec) #define ram_init(s,p) ramfuc_init(&(s)->base, (p)) #define ram_exec(s,e) ramfuc_exec(&(s)->base, (e)) -#define ram_have(s,r) ((s)->r_##r.addr != 0x000000) +#define ram_have(s,r) ((s)->r_##r.addr[0] != 0x000000) #define ram_rd32(s,r) ramfuc_rd32(&(s)->base, &(s)->r_##r) #define ram_wr32(s,r,d) ramfuc_wr32(&(s)->base, &(s)->r_##r, (d)) #define ram_nuke(s,r) ramfuc_nuke(&(s)->base, &(s)->r_##r) diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c index 1ad3ea5..c5b46e3 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c @@ -200,6 +200,7 @@ r1373f4_init(struct nve0_ramfuc *fuc) /* (re)program mempll, if required */ if (ram->mode == 2) { ram_mask(fuc, 0x1373f4, 0x00010000, 0x00000000); + ram_mask(fuc, 0x132000, 0x80000000, 0x80000000); ram_mask(fuc, 0x132000, 0x00000001, 0x00000000); ram_mask(fuc, 0x132004, 0x103fffff, mcoef); ram_mask(fuc, 0x132000, 0x00000001, 0x00000001); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index ddd8375..5425ffe 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -652,12 +652,12 @@ int nouveau_pmops_resume(struct device *dev) ret = nouveau_do_resume(drm_dev); if (ret) return ret; - if (drm_dev->mode_config.num_crtc) - nouveau_fbcon_set_suspend(drm_dev, 0); - nouveau_fbcon_zfill_all(drm_dev); - if (drm_dev->mode_config.num_crtc) + if (drm_dev->mode_config.num_crtc) { nouveau_display_resume(drm_dev); + nouveau_fbcon_set_suspend(drm_dev, 0); + } + return 0; } @@ -683,11 +683,12 @@ static int nouveau_pmops_thaw(struct device *dev) ret = nouveau_do_resume(drm_dev); if (ret) return ret; - if (drm_dev->mode_config.num_crtc) - nouveau_fbcon_set_suspend(drm_dev, 0); - nouveau_fbcon_zfill_all(drm_dev); - if (drm_dev->mode_config.num_crtc) + + if (drm_dev->mode_config.num_crtc) { nouveau_display_resume(drm_dev); + nouveau_fbcon_set_suspend(drm_dev, 0); + } + return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 64a42cf..191665e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -531,17 +531,10 @@ nouveau_fbcon_set_suspend(struct drm_device *dev, int state) if (state == 1) nouveau_fbcon_save_disable_accel(dev); fb_set_suspend(drm->fbcon->helper.fbdev, state); - if (state == 0) + if (state == 0) { nouveau_fbcon_restore_accel(dev); + nouveau_fbcon_zfill(dev, drm->fbcon); + } console_unlock(); } } - -void -nouveau_fbcon_zfill_all(struct drm_device *dev) -{ - struct nouveau_drm *drm = nouveau_drm(dev); - if (drm->fbcon) { - nouveau_fbcon_zfill(dev, drm->fbcon); - } -} diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h index fdfc0c9..fcff797 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h @@ -61,7 +61,6 @@ void nouveau_fbcon_gpu_lockup(struct fb_info *info); int nouveau_fbcon_init(struct drm_device *dev); void nouveau_fbcon_fini(struct drm_device *dev); void nouveau_fbcon_set_suspend(struct drm_device *dev, int state); -void nouveau_fbcon_zfill_all(struct drm_device *dev); void nouveau_fbcon_save_disable_accel(struct drm_device *dev); void nouveau_fbcon_restore_accel(struct drm_device *dev); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index afdf607..4c534b7 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -1741,7 +1741,8 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode) } } - mthd = (ffs(nv_encoder->dcb->sorconf.link) - 1) << 2; + mthd = (ffs(nv_encoder->dcb->heads) - 1) << 3; + mthd |= (ffs(nv_encoder->dcb->sorconf.link) - 1) << 2; mthd |= nv_encoder->or; if (nv_encoder->dcb->type == DCB_OUTPUT_DP) { diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c index c5b1f2d..b1e11f8 100644 --- a/drivers/gpu/drm/radeon/atombios_dp.c +++ b/drivers/gpu/drm/radeon/atombios_dp.c @@ -127,7 +127,7 @@ static int radeon_process_aux_ch(struct radeon_i2c_chan *chan, /* flags not zero */ if (args.v1.ucReplyStatus == 2) { DRM_DEBUG_KMS("dp_aux_ch flags not zero\n"); - r = -EBUSY; + r = -EIO; goto done; } @@ -403,16 +403,18 @@ bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector) { struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; u8 msg[DP_DPCD_SIZE]; - int ret, i; + int ret; + + char dpcd_hex_dump[DP_DPCD_SIZE * 3]; ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg, DP_DPCD_SIZE); if (ret > 0) { memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE); - DRM_DEBUG_KMS("DPCD: "); - for (i = 0; i < DP_DPCD_SIZE; i++) - DRM_DEBUG_KMS("%02x ", msg[i]); - DRM_DEBUG_KMS("\n"); + + hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->dpcd), + 32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false); + DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump); radeon_dp_probe_oui(radeon_connector); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 10dae41..584090a 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -1179,7 +1179,7 @@ static int ci_stop_dpm(struct radeon_device *rdev) tmp &= ~GLOBAL_PWRMGT_EN; WREG32_SMC(GENERAL_PWRMGT, tmp); - tmp = RREG32(SCLK_PWRMGT_CNTL); + tmp = RREG32_SMC(SCLK_PWRMGT_CNTL); tmp &= ~DYNAMIC_PM_EN; WREG32_SMC(SCLK_PWRMGT_CNTL, tmp); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index dcd4518..0b24711 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -7676,14 +7676,16 @@ restart_ih: addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS); mc_client = RREG32(VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT); + /* reset addr and status */ + WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); + if (addr == 0x0 && status == 0x0) + break; dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); cik_vm_decode_fault(rdev, status, addr, mc_client); - /* reset addr and status */ - WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); break; case 167: /* VCE */ DRM_DEBUG("IH: VCE int: 0x%08x\n", src_data); diff --git a/drivers/gpu/drm/radeon/cikd.h b/drivers/gpu/drm/radeon/cikd.h index ae88660..0c6e1b5 100644 --- a/drivers/gpu/drm/radeon/cikd.h +++ b/drivers/gpu/drm/radeon/cikd.h @@ -1752,12 +1752,12 @@ #define EOP_TC_WB_ACTION_EN (1 << 15) /* L2 */ #define EOP_TCL1_ACTION_EN (1 << 16) #define EOP_TC_ACTION_EN (1 << 17) /* L2 */ +#define EOP_TCL2_VOLATILE (1 << 24) #define EOP_CACHE_POLICY(x) ((x) << 25) /* 0 - LRU * 1 - Stream * 2 - Bypass */ -#define EOP_TCL2_VOLATILE (1 << 27) #define DATA_SEL(x) ((x) << 29) /* 0 - discard * 1 - send low 32bit data diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c index 5a9a5f4..47d31e9 100644 --- a/drivers/gpu/drm/radeon/cypress_dpm.c +++ b/drivers/gpu/drm/radeon/cypress_dpm.c @@ -1551,7 +1551,7 @@ int cypress_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[RV770_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[RV770_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } return 0; diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e2f6052..f7ece0f 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -189,7 +189,7 @@ static const u32 evergreen_golden_registers[] = 0x8c1c, 0xffffffff, 0x00001010, 0x28350, 0xffffffff, 0x00000000, 0xa008, 0xffffffff, 0x00010000, - 0x5cc, 0xffffffff, 0x00000001, + 0x5c4, 0xffffffff, 0x00000001, 0x9508, 0xffffffff, 0x00000002, 0x913c, 0x0000000f, 0x0000000a }; @@ -476,7 +476,7 @@ static const u32 cedar_golden_registers[] = 0x8c1c, 0xffffffff, 0x00001010, 0x28350, 0xffffffff, 0x00000000, 0xa008, 0xffffffff, 0x00010000, - 0x5cc, 0xffffffff, 0x00000001, + 0x5c4, 0xffffffff, 0x00000001, 0x9508, 0xffffffff, 0x00000002 }; @@ -635,7 +635,7 @@ static const u32 juniper_mgcg_init[] = static const u32 supersumo_golden_registers[] = { 0x5eb4, 0xffffffff, 0x00000002, - 0x5cc, 0xffffffff, 0x00000001, + 0x5c4, 0xffffffff, 0x00000001, 0x7030, 0xffffffff, 0x00000011, 0x7c30, 0xffffffff, 0x00000011, 0x6104, 0x01000300, 0x00000000, @@ -719,7 +719,7 @@ static const u32 sumo_golden_registers[] = static const u32 wrestler_golden_registers[] = { 0x5eb4, 0xffffffff, 0x00000002, - 0x5cc, 0xffffffff, 0x00000001, + 0x5c4, 0xffffffff, 0x00000001, 0x7030, 0xffffffff, 0x00000011, 0x7c30, 0xffffffff, 0x00000011, 0x6104, 0x01000300, 0x00000000, @@ -5066,14 +5066,16 @@ restart_ih: case 147: addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS); + /* reset addr and status */ + WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); + if (addr == 0x0 && status == 0x0) + break; dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); cayman_vm_decode_fault(rdev, status, addr); - /* reset addr and status */ - WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); break; case 176: /* CP_INT in ring buffer */ case 177: /* CP_INT in IB1 */ diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c index 3f6e817..9ef8c38 100644 --- a/drivers/gpu/drm/radeon/kv_dpm.c +++ b/drivers/gpu/drm/radeon/kv_dpm.c @@ -2726,7 +2726,7 @@ int kv_dpm_init(struct radeon_device *rdev) pi->caps_sclk_ds = true; pi->enable_auto_thermal_throttling = true; pi->disable_nb_ps3_in_battery = false; - pi->bapm_enable = false; + pi->bapm_enable = true; pi->voltage_drop_t = 0; pi->caps_sclk_throttle_low_notification = false; pi->caps_fps = false; /* true? */ diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c index 004c931..01fc488 100644 --- a/drivers/gpu/drm/radeon/ni_dpm.c +++ b/drivers/gpu/drm/radeon/ni_dpm.c @@ -1315,7 +1315,7 @@ static void ni_populate_smc_voltage_tables(struct radeon_device *rdev, table->voltageMaskTable.highMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = 0; table->voltageMaskTable.lowMask[NISLANDS_SMC_VOLTAGEMASK_VDDCI] = - cpu_to_be32(eg_pi->vddc_voltage_table.mask_low); + cpu_to_be32(eg_pi->vddci_voltage_table.mask_low); } } diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 4b0bbf8..29d9cc0 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -102,6 +102,7 @@ extern int radeon_runtime_pm; extern int radeon_hard_reset; extern int radeon_vm_size; extern int radeon_vm_block_size; +extern int radeon_deep_color; /* * Copy from radeon_drv.h so we don't have to include both and have conflicting @@ -749,10 +750,6 @@ union radeon_irq_stat_regs { struct cik_irq_stat_regs cik; }; -#define RADEON_MAX_HPD_PINS 7 -#define RADEON_MAX_CRTCS 6 -#define RADEON_MAX_AFMT_BLOCKS 7 - struct radeon_irq { bool installed; spinlock_t lock; diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 3084481..173f378 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1227,11 +1227,19 @@ bool radeon_atom_get_clock_info(struct drm_device *dev) rdev->clock.default_dispclk = le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq); if (rdev->clock.default_dispclk == 0) { - if (ASIC_IS_DCE5(rdev)) + if (ASIC_IS_DCE6(rdev)) + rdev->clock.default_dispclk = 60000; /* 600 Mhz */ + else if (ASIC_IS_DCE5(rdev)) rdev->clock.default_dispclk = 54000; /* 540 Mhz */ else rdev->clock.default_dispclk = 60000; /* 600 Mhz */ } + /* set a reasonable default for DP */ + if (ASIC_IS_DCE6(rdev) && (rdev->clock.default_dispclk < 53900)) { + DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", + rdev->clock.default_dispclk / 100); + rdev->clock.default_dispclk = 60000; + } rdev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); rdev->clock.current_dispclk = rdev->clock.default_dispclk; diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 1b9177e..4483119 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -199,6 +199,9 @@ int radeon_get_monitor_bpc(struct drm_connector *connector) } } + if ((radeon_deep_color == 0) && (bpc > 8)) + bpc = 8; + DRM_DEBUG("%s: Display bpc=%d, returned bpc=%d\n", connector->name, connector->display_info.bpc, bpc); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 8fc362a..13896ed 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -285,7 +285,6 @@ static void radeon_unpin_work_func(struct work_struct *__work) void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id) { struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; - struct radeon_flip_work *work; unsigned long flags; u32 update_pending; int vpos, hpos; @@ -295,8 +294,11 @@ void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id) return; spin_lock_irqsave(&rdev->ddev->event_lock, flags); - work = radeon_crtc->flip_work; - if (work == NULL) { + if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) { + DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != " + "RADEON_FLIP_SUBMITTED(%d)\n", + radeon_crtc->flip_status, + RADEON_FLIP_SUBMITTED); spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); return; } @@ -344,12 +346,17 @@ void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) spin_lock_irqsave(&rdev->ddev->event_lock, flags); work = radeon_crtc->flip_work; - if (work == NULL) { + if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) { + DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != " + "RADEON_FLIP_SUBMITTED(%d)\n", + radeon_crtc->flip_status, + RADEON_FLIP_SUBMITTED); spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); return; } /* Pageflip completed. Clean up. */ + radeon_crtc->flip_status = RADEON_FLIP_NONE; radeon_crtc->flip_work = NULL; /* wakeup userspace */ @@ -476,6 +483,7 @@ static void radeon_flip_work_func(struct work_struct *__work) /* do the flip (mmio) */ radeon_page_flip(rdev, radeon_crtc->crtc_id, base); + radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); up_read(&rdev->exclusive_lock); @@ -544,7 +552,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, /* We borrow the event spin lock for protecting flip_work */ spin_lock_irqsave(&crtc->dev->event_lock, flags); - if (radeon_crtc->flip_work) { + if (radeon_crtc->flip_status != RADEON_FLIP_NONE) { DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); spin_unlock_irqrestore(&crtc->dev->event_lock, flags); drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); @@ -552,6 +560,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, kfree(work); return -EBUSY; } + radeon_crtc->flip_status = RADEON_FLIP_PENDING; radeon_crtc->flip_work = work; /* update crtc fb */ diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 6e30174..cb14213 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -175,6 +175,7 @@ int radeon_runtime_pm = -1; int radeon_hard_reset = 0; int radeon_vm_size = 4096; int radeon_vm_block_size = 9; +int radeon_deep_color = 0; MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); module_param_named(no_wb, radeon_no_wb, int, 0444); @@ -248,6 +249,9 @@ module_param_named(vm_size, radeon_vm_size, int, 0444); MODULE_PARM_DESC(vm_block_size, "VM page table size in bits (default 9)"); module_param_named(vm_block_size, radeon_vm_block_size, int, 0444); +MODULE_PARM_DESC(deep_color, "Deep Color support (1 = enable, 0 = disable (default))"); +module_param_named(deep_color, radeon_deep_color, int, 0444); + static struct pci_device_id pciidlist[] = { radeon_PCI_IDS }; diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index ad0e4b8..0592ddb 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -46,6 +46,10 @@ struct radeon_device; #define to_radeon_encoder(x) container_of(x, struct radeon_encoder, base) #define to_radeon_framebuffer(x) container_of(x, struct radeon_framebuffer, base) +#define RADEON_MAX_HPD_PINS 7 +#define RADEON_MAX_CRTCS 6 +#define RADEON_MAX_AFMT_BLOCKS 7 + enum radeon_rmx_type { RMX_OFF, RMX_FULL, @@ -233,8 +237,8 @@ struct radeon_mode_info { struct card_info *atom_card_info; enum radeon_connector_table connector_table; bool mode_config_initialized; - struct radeon_crtc *crtcs[6]; - struct radeon_afmt *afmt[7]; + struct radeon_crtc *crtcs[RADEON_MAX_CRTCS]; + struct radeon_afmt *afmt[RADEON_MAX_AFMT_BLOCKS]; /* DVI-I properties */ struct drm_property *coherent_mode_property; /* DAC enable load detect */ @@ -302,6 +306,12 @@ struct radeon_atom_ss { uint16_t amount; }; +enum radeon_flip_status { + RADEON_FLIP_NONE, + RADEON_FLIP_PENDING, + RADEON_FLIP_SUBMITTED +}; + struct radeon_crtc { struct drm_crtc base; int crtc_id; @@ -327,6 +337,7 @@ struct radeon_crtc { /* page flipping */ struct workqueue_struct *flip_queue; struct radeon_flip_work *flip_work; + enum radeon_flip_status flip_status; /* pll sharing */ struct radeon_atom_ss ss; bool ss_enabled; diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index 12c663e..e447e39 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -73,8 +73,10 @@ void radeon_pm_acpi_event_handler(struct radeon_device *rdev) rdev->pm.dpm.ac_power = true; else rdev->pm.dpm.ac_power = false; - if (rdev->asic->dpm.enable_bapm) - radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power); + if (rdev->family == CHIP_ARUBA) { + if (rdev->asic->dpm.enable_bapm) + radeon_dpm_enable_bapm(rdev, rdev->pm.dpm.ac_power); + } mutex_unlock(&rdev->pm.mutex); } else if (rdev->pm.pm_method == PM_METHOD_PROFILE) { if (rdev->pm.profile == PM_PROFILE_AUTO) { diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 899d912..eecff6b 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -495,7 +495,7 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, mutex_unlock(&vm->mutex); r = radeon_bo_create(rdev, RADEON_VM_PTE_COUNT * 8, - RADEON_GPU_PAGE_SIZE, false, + RADEON_GPU_PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &pt); if (r) return r; @@ -992,7 +992,7 @@ int radeon_vm_init(struct radeon_device *rdev, struct radeon_vm *vm) return -ENOMEM; } - r = radeon_bo_create(rdev, pd_size, align, false, + r = radeon_bo_create(rdev, pd_size, align, true, RADEON_GEM_DOMAIN_VRAM, NULL, &vm->page_directory); if (r) diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c index da041a43..3c76e1d 100644 --- a/drivers/gpu/drm/radeon/rv770_dpm.c +++ b/drivers/gpu/drm/radeon/rv770_dpm.c @@ -2329,12 +2329,6 @@ void rv770_get_engine_memory_ss(struct radeon_device *rdev) pi->mclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss, ASIC_INTERNAL_MEMORY_SS, 0); - /* disable ss, causes hangs on some cayman boards */ - if (rdev->family == CHIP_CAYMAN) { - pi->sclk_ss = false; - pi->mclk_ss = false; - } - if (pi->sclk_ss || pi->mclk_ss) pi->dynamic_ss = true; else diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 730cee2..eba0225 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6376,14 +6376,16 @@ restart_ih: case 147: addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR); status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS); + /* reset addr and status */ + WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); + if (addr == 0x0 && status == 0x0) + break; dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", addr); dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", status); si_vm_decode_fault(rdev, status, addr); - /* reset addr and status */ - WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1); break; case 176: /* RINGID0 CP_INT */ radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX); diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 2a2822c..20da6ff 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1874,7 +1874,15 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - pi->enable_bapm = false; + /* There are stability issues reported on latops with + * bapm installed when switching between AC and battery + * power. At the same time, some desktop boards hang + * if it's not enabled and dpm is enabled. + */ + if (rdev->flags & RADEON_IS_MOBILITY) + pi->enable_bapm = false; + else + pi->enable_bapm = true; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c index a89ad93..b031b48 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c @@ -179,7 +179,6 @@ static int vmw_fb_set_par(struct fb_info *info) vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, info->var.yoffset); vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, info->var.xres); vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, info->var.yres); - vmw_write(vmw_priv, SVGA_REG_BYTES_PER_LINE, info->fix.line_length); vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); } diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 800c8b6..5e79c6a 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -810,7 +810,7 @@ config HID_ZYDACRON config HID_SENSOR_HUB tristate "HID Sensors framework support" - depends on HID + depends on HID && HAS_IOMEM select MFD_CORE default n ---help--- diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6d00bb9..48b66bb 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -323,6 +323,7 @@ #define USB_VENDOR_ID_ETURBOTOUCH 0x22b9 #define USB_DEVICE_ID_ETURBOTOUCH 0x0006 +#define USB_DEVICE_ID_ETURBOTOUCH_2968 0x2968 #define USB_VENDOR_ID_EZKEY 0x0518 #define USB_DEVICE_ID_BTC_8193 0x0002 @@ -715,6 +716,8 @@ #define USB_VENDOR_ID_PENMOUNT 0x14e1 #define USB_DEVICE_ID_PENMOUNT_PCI 0x3500 +#define USB_DEVICE_ID_PENMOUNT_1610 0x1610 +#define USB_DEVICE_ID_PENMOUNT_1640 0x1640 #define USB_VENDOR_ID_PETALYNX 0x18b1 #define USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE 0x0037 diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c index 2451c7e..578bbe6 100644 --- a/drivers/hid/hid-rmi.c +++ b/drivers/hid/hid-rmi.c @@ -428,6 +428,7 @@ static int rmi_raw_event(struct hid_device *hdev, return 0; } +#ifdef CONFIG_PM static int rmi_post_reset(struct hid_device *hdev) { return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS); @@ -437,6 +438,7 @@ static int rmi_post_resume(struct hid_device *hdev) { return rmi_set_mode(hdev, RMI_MODE_ATTN_REPORTS); } +#endif /* CONFIG_PM */ #define RMI4_MAX_PAGE 0xff #define RMI4_PAGE_SIZE 0x0100 diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index a8d5c8f..e244e44 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -159,17 +159,18 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev, { struct hid_sensor_hub_callbacks_list *callback; struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev); + unsigned long flags; - spin_lock(&pdata->dyn_callback_lock); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); list_for_each_entry(callback, &pdata->dyn_callback_list, list) if (callback->usage_id == usage_id && callback->hsdev == hsdev) { - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return -EINVAL; } callback = kzalloc(sizeof(*callback), GFP_ATOMIC); if (!callback) { - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return -ENOMEM; } callback->hsdev = hsdev; @@ -177,7 +178,7 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev, callback->usage_id = usage_id; callback->priv = NULL; list_add_tail(&callback->list, &pdata->dyn_callback_list); - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return 0; } @@ -188,8 +189,9 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev, { struct hid_sensor_hub_callbacks_list *callback; struct sensor_hub_data *pdata = hid_get_drvdata(hsdev->hdev); + unsigned long flags; - spin_lock(&pdata->dyn_callback_lock); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); list_for_each_entry(callback, &pdata->dyn_callback_list, list) if (callback->usage_id == usage_id && callback->hsdev == hsdev) { @@ -197,7 +199,7 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev, kfree(callback); break; } - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return 0; } @@ -378,15 +380,16 @@ static int sensor_hub_suspend(struct hid_device *hdev, pm_message_t message) { struct sensor_hub_data *pdata = hid_get_drvdata(hdev); struct hid_sensor_hub_callbacks_list *callback; + unsigned long flags; hid_dbg(hdev, " sensor_hub_suspend\n"); - spin_lock(&pdata->dyn_callback_lock); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); list_for_each_entry(callback, &pdata->dyn_callback_list, list) { if (callback->usage_callback->suspend) callback->usage_callback->suspend( callback->hsdev, callback->priv); } - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return 0; } @@ -395,15 +398,16 @@ static int sensor_hub_resume(struct hid_device *hdev) { struct sensor_hub_data *pdata = hid_get_drvdata(hdev); struct hid_sensor_hub_callbacks_list *callback; + unsigned long flags; hid_dbg(hdev, " sensor_hub_resume\n"); - spin_lock(&pdata->dyn_callback_lock); + spin_lock_irqsave(&pdata->dyn_callback_lock, flags); list_for_each_entry(callback, &pdata->dyn_callback_list, list) { if (callback->usage_callback->resume) callback->usage_callback->resume( callback->hsdev, callback->priv); } - spin_unlock(&pdata->dyn_callback_lock); + spin_unlock_irqrestore(&pdata->dyn_callback_lock, flags); return 0; } @@ -632,6 +636,7 @@ static int sensor_hub_probe(struct hid_device *hdev, if (name == NULL) { hid_err(hdev, "Failed MFD device name\n"); ret = -ENOMEM; + kfree(hsdev); goto err_no_mem; } sd->hid_sensor_hub_client_devs[ diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 59badc1..31e6727 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -49,6 +49,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH, HID_QUIRK_MULTI_INPUT }, + { USB_VENDOR_ID_ETURBOTOUCH, USB_DEVICE_ID_ETURBOTOUCH_2968, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_GREENASIA, USB_DEVICE_ID_GREENASIA_DUAL_USB_JOYPAD, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_PANTHERLORD, USB_DEVICE_ID_PANTHERLORD_TWIN_USB_JOYSTICK, HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS }, { USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII, HID_QUIRK_MULTI_INPUT }, @@ -76,6 +77,8 @@ static const struct hid_blacklist { { USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GX680R_LED_PANEL, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_NEXIO, USB_DEVICE_ID_NEXIO_MULTITOUCH_PTI0750, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_NOVATEK, USB_DEVICE_ID_NOVATEK_MOUSE, HID_QUIRK_NO_INIT_REPORTS }, + { USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1610, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_1640, HID_QUIRK_NOGET }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2, HID_QUIRK_NO_INIT_REPORTS }, diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index e84f452..ae22e3c 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -339,9 +339,13 @@ static void process_chn_event(u32 relid) */ do { - hv_begin_read(&channel->inbound); + if (read_state) + hv_begin_read(&channel->inbound); channel->onchannel_callback(arg); - bytes_to_read = hv_end_read(&channel->inbound); + if (read_state) + bytes_to_read = hv_end_read(&channel->inbound); + else + bytes_to_read = 0; } while (read_state && (bytes_to_read != 0)); } else { pr_err("no channel callback for relid - %u\n", relid); diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index ea85253..521c146 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -127,6 +127,17 @@ kvp_work_func(struct work_struct *dummy) kvp_respond_to_host(NULL, HV_E_FAIL); } +static void poll_channel(struct vmbus_channel *channel) +{ + if (channel->target_cpu != smp_processor_id()) + smp_call_function_single(channel->target_cpu, + hv_kvp_onchannelcallback, + channel, true); + else + hv_kvp_onchannelcallback(channel); +} + + static int kvp_handle_handshake(struct hv_kvp_msg *msg) { int ret = 1; @@ -155,7 +166,7 @@ static int kvp_handle_handshake(struct hv_kvp_msg *msg) kvp_register(dm_reg_value); kvp_transaction.active = false; if (kvp_transaction.kvp_context) - hv_kvp_onchannelcallback(kvp_transaction.kvp_context); + poll_channel(kvp_transaction.kvp_context); } return ret; } @@ -568,7 +579,7 @@ response_done: vmbus_sendpacket(channel, recv_buffer, buf_len, req_id, VM_PKT_DATA_INBAND, 0); - + poll_channel(channel); } /* @@ -603,7 +614,7 @@ void hv_kvp_onchannelcallback(void *context) return; } - vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 2, &recvlen, + vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 4, &recvlen, &requestid); if (recvlen > 0) { diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index dd76180..3b9c9ef 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -319,7 +319,7 @@ static int util_probe(struct hv_device *dev, (struct hv_util_service *)dev_id->driver_data; int ret; - srv->recv_buffer = kmalloc(PAGE_SIZE * 2, GFP_KERNEL); + srv->recv_buffer = kmalloc(PAGE_SIZE * 4, GFP_KERNEL); if (!srv->recv_buffer) return -ENOMEM; if (srv->util_init) { diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c index 5ffd81f..0625e50 100644 --- a/drivers/hwmon/adc128d818.c +++ b/drivers/hwmon/adc128d818.c @@ -239,50 +239,50 @@ static ssize_t adc128_show_alarm(struct device *dev, return sprintf(buf, "%u\n", !!(alarms & mask)); } -static SENSOR_DEVICE_ATTR_2(in0_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 0, 0); +static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, + adc128_show_in, NULL, 0, 0); static SENSOR_DEVICE_ATTR_2(in0_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 0, 1); static SENSOR_DEVICE_ATTR_2(in0_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 0, 2); -static SENSOR_DEVICE_ATTR_2(in1_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 1, 0); +static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, + adc128_show_in, NULL, 1, 0); static SENSOR_DEVICE_ATTR_2(in1_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 1, 1); static SENSOR_DEVICE_ATTR_2(in1_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 1, 2); -static SENSOR_DEVICE_ATTR_2(in2_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 2, 0); +static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, + adc128_show_in, NULL, 2, 0); static SENSOR_DEVICE_ATTR_2(in2_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 2, 1); static SENSOR_DEVICE_ATTR_2(in2_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 2, 2); -static SENSOR_DEVICE_ATTR_2(in3_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 3, 0); +static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, + adc128_show_in, NULL, 3, 0); static SENSOR_DEVICE_ATTR_2(in3_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 3, 1); static SENSOR_DEVICE_ATTR_2(in3_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 3, 2); -static SENSOR_DEVICE_ATTR_2(in4_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 4, 0); +static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, + adc128_show_in, NULL, 4, 0); static SENSOR_DEVICE_ATTR_2(in4_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 4, 1); static SENSOR_DEVICE_ATTR_2(in4_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 4, 2); -static SENSOR_DEVICE_ATTR_2(in5_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 5, 0); +static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, + adc128_show_in, NULL, 5, 0); static SENSOR_DEVICE_ATTR_2(in5_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 5, 1); static SENSOR_DEVICE_ATTR_2(in5_max, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 5, 2); -static SENSOR_DEVICE_ATTR_2(in6_input, S_IWUSR | S_IRUGO, - adc128_show_in, adc128_set_in, 6, 0); +static SENSOR_DEVICE_ATTR_2(in6_input, S_IRUGO, + adc128_show_in, NULL, 6, 0); static SENSOR_DEVICE_ATTR_2(in6_min, S_IWUSR | S_IRUGO, adc128_show_in, adc128_set_in, 6, 1); static SENSOR_DEVICE_ATTR_2(in6_max, S_IWUSR | S_IRUGO, diff --git a/drivers/hwmon/adm1021.c b/drivers/hwmon/adm1021.c index 3eb4281..d74241b 100644 --- a/drivers/hwmon/adm1021.c +++ b/drivers/hwmon/adm1021.c @@ -185,7 +185,7 @@ static ssize_t set_temp_max(struct device *dev, struct adm1021_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; long temp; - int err; + int reg_val, err; err = kstrtol(buf, 10, &temp); if (err) @@ -193,10 +193,11 @@ static ssize_t set_temp_max(struct device *dev, temp /= 1000; mutex_lock(&data->update_lock); - data->temp_max[index] = clamp_val(temp, -128, 127); + reg_val = clamp_val(temp, -128, 127); + data->temp_max[index] = reg_val * 1000; if (!read_only) i2c_smbus_write_byte_data(client, ADM1021_REG_TOS_W(index), - data->temp_max[index]); + reg_val); mutex_unlock(&data->update_lock); return count; @@ -210,7 +211,7 @@ static ssize_t set_temp_min(struct device *dev, struct adm1021_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; long temp; - int err; + int reg_val, err; err = kstrtol(buf, 10, &temp); if (err) @@ -218,10 +219,11 @@ static ssize_t set_temp_min(struct device *dev, temp /= 1000; mutex_lock(&data->update_lock); - data->temp_min[index] = clamp_val(temp, -128, 127); + reg_val = clamp_val(temp, -128, 127); + data->temp_min[index] = reg_val * 1000; if (!read_only) i2c_smbus_write_byte_data(client, ADM1021_REG_THYST_W(index), - data->temp_min[index]); + reg_val); mutex_unlock(&data->update_lock); return count; diff --git a/drivers/hwmon/adm1029.c b/drivers/hwmon/adm1029.c index 78339e8..2804571 100644 --- a/drivers/hwmon/adm1029.c +++ b/drivers/hwmon/adm1029.c @@ -232,6 +232,9 @@ static ssize_t set_fan_div(struct device *dev, /* Update the value */ reg = (reg & 0x3F) | (val << 6); + /* Update the cache */ + data->fan_div[attr->index] = reg; + /* Write value */ i2c_smbus_write_byte_data(client, ADM1029_REG_FAN_DIV[attr->index], reg); diff --git a/drivers/hwmon/adm1031.c b/drivers/hwmon/adm1031.c index a8a540c..51c1a5a 100644 --- a/drivers/hwmon/adm1031.c +++ b/drivers/hwmon/adm1031.c @@ -365,6 +365,7 @@ set_auto_temp_min(struct device *dev, struct device_attribute *attr, if (ret) return ret; + val = clamp_val(val, 0, 127000); mutex_lock(&data->update_lock); data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]); adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr), @@ -394,6 +395,7 @@ set_auto_temp_max(struct device *dev, struct device_attribute *attr, if (ret) return ret; + val = clamp_val(val, 0, 127000); mutex_lock(&data->update_lock); data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]); @@ -696,7 +698,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_min[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr), @@ -717,7 +719,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_max[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr), @@ -738,7 +740,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, if (ret) return ret; - val = clamp_val(val, -55000, nr == 0 ? 127750 : 127875); + val = clamp_val(val, -55000, 127000); mutex_lock(&data->update_lock); data->temp_crit[nr] = TEMP_TO_REG(val); adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr), diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index eea8172..9f2be3d 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -704,7 +704,7 @@ static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, get_temp_alarm, NULL, IDX_TEMP1_MAX); static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, get_temp_alarm, NULL, IDX_TEMP1_CRIT); -static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO | S_IWUSR, +static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, get_temp, NULL, IDX_TEMP2_INPUT); static SENSOR_DEVICE_ATTR(temp2_min, S_IRUGO | S_IWUSR, get_temp, set_temp, IDX_TEMP2_MIN); diff --git a/drivers/hwmon/emc2103.c b/drivers/hwmon/emc2103.c index fd892dd..78002de 100644 --- a/drivers/hwmon/emc2103.c +++ b/drivers/hwmon/emc2103.c @@ -250,9 +250,7 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = DIV_ROUND_CLOSEST(val, 1000); - if ((val < -63) || (val > 127)) - return -EINVAL; + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); mutex_lock(&data->update_lock); data->temp_min[nr] = val; @@ -274,9 +272,7 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *da, if (result < 0) return result; - val = DIV_ROUND_CLOSEST(val, 1000); - if ((val < -63) || (val > 127)) - return -EINVAL; + val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), -63, 127); mutex_lock(&data->update_lock); data->temp_max[nr] = val; @@ -390,15 +386,14 @@ static ssize_t set_fan_target(struct device *dev, struct device_attribute *da, { struct emc2103_data *data = emc2103_update_device(dev); struct i2c_client *client = to_i2c_client(dev); - long rpm_target; + unsigned long rpm_target; - int result = kstrtol(buf, 10, &rpm_target); + int result = kstrtoul(buf, 10, &rpm_target); if (result < 0) return result; /* Datasheet states 16384 as maximum RPM target (table 3.2) */ - if ((rpm_target < 0) || (rpm_target > 16384)) - return -EINVAL; + rpm_target = clamp_val(rpm_target, 0, 16384); mutex_lock(&data->update_lock); diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index bdfbe91..ae66f42 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -512,7 +512,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", - pdev->name); + pdev_id->name); return 0; err_after_sysfs: diff --git a/drivers/i2c/busses/i2c-sun6i-p2wi.c b/drivers/i2c/busses/i2c-sun6i-p2wi.c index 09de4fd..4d75d47 100644 --- a/drivers/i2c/busses/i2c-sun6i-p2wi.c +++ b/drivers/i2c/busses/i2c-sun6i-p2wi.c @@ -22,7 +22,6 @@ * */ #include <linux/clk.h> -#include <linux/module.h> #include <linux/i2c.h> #include <linux/io.h> #include <linux/interrupt.h> diff --git a/drivers/i2c/muxes/Kconfig b/drivers/i2c/muxes/Kconfig index f7f9865..f6d313e 100644 --- a/drivers/i2c/muxes/Kconfig +++ b/drivers/i2c/muxes/Kconfig @@ -40,6 +40,7 @@ config I2C_MUX_PCA9541 config I2C_MUX_PCA954x tristate "Philips PCA954x I2C Mux/switches" + depends on GPIOLIB help If you say yes here you get support for the Philips PCA954x I2C mux/switch devices. diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index 69abf91..54e464e 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -110,7 +110,6 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, struct accel_3d_state *accel_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -151,14 +150,12 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &accel_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &accel_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 39b4cb4..6eba301 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -427,9 +427,12 @@ static int ad799x_write_event_value(struct iio_dev *indio_dev, int ret; struct ad799x_state *st = iio_priv(indio_dev); + if (val < 0 || val > RES_MASK(chan->scan_type.realbits)) + return -EINVAL; + mutex_lock(&indio_dev->mlock); ret = ad799x_i2c_write16(st, ad799x_threshold_reg(chan, dir, info), - val); + val << chan->scan_type.shift); mutex_unlock(&indio_dev->mlock); return ret; @@ -452,7 +455,8 @@ static int ad799x_read_event_value(struct iio_dev *indio_dev, mutex_unlock(&indio_dev->mlock); if (ret < 0) return ret; - *val = valin; + *val = (valin >> chan->scan_type.shift) & + RES_MASK(chan->scan_type.realbits); return IIO_VAL_INT; } diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index a4db302..d5dc4c6 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -374,7 +374,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, return -EAGAIN; } } - map_val = chan->channel + TOTAL_CHANNELS; + map_val = adc_dev->channel_step[chan->scan_index]; /* * We check the complete FIFO. We programmed just one entry but in case diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index 40f4e49..fa034a3 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -110,7 +110,6 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev, struct gyro_3d_state *gyro_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -151,14 +150,12 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &gyro_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &gyro_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c index d833d55..c749700 100644 --- a/drivers/iio/inkern.c +++ b/drivers/iio/inkern.c @@ -183,7 +183,7 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, else if (name && index >= 0) { pr_err("ERROR: could not get IIO channel %s:%s(%i)\n", np->full_name, name ? name : "", index); - return chan; + return NULL; } /* @@ -193,8 +193,9 @@ static struct iio_channel *of_iio_channel_get_by_name(struct device_node *np, */ np = np->parent; if (np && !of_get_property(np, "io-channel-ranges", NULL)) - break; + return NULL; } + return chan; } @@ -317,6 +318,7 @@ struct iio_channel *iio_channel_get(struct device *dev, if (channel != NULL) return channel; } + return iio_channel_get_sys(name, channel_name); } EXPORT_SYMBOL_GPL(iio_channel_get); diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index f34c943..96e71e1 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -79,7 +79,6 @@ static int als_read_raw(struct iio_dev *indio_dev, struct als_state *als_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -129,14 +128,12 @@ static int als_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &als_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &als_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c index d203ef4..412bae8 100644 --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -74,7 +74,6 @@ static int prox_read_raw(struct iio_dev *indio_dev, struct prox_state *prox_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -125,14 +124,12 @@ static int prox_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &prox_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &prox_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c index fe063a0..7525699 100644 --- a/drivers/iio/light/tcs3472.c +++ b/drivers/iio/light/tcs3472.c @@ -52,6 +52,7 @@ struct tcs3472_data { struct i2c_client *client; + struct mutex lock; u8 enable; u8 control; u8 atime; @@ -116,10 +117,17 @@ static int tcs3472_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + if (iio_buffer_enabled(indio_dev)) + return -EBUSY; + + mutex_lock(&data->lock); ret = tcs3472_req_data(data); - if (ret < 0) + if (ret < 0) { + mutex_unlock(&data->lock); return ret; + } ret = i2c_smbus_read_word_data(data->client, chan->address); + mutex_unlock(&data->lock); if (ret < 0) return ret; *val = ret; @@ -255,6 +263,7 @@ static int tcs3472_probe(struct i2c_client *client, data = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); data->client = client; + mutex_init(&data->lock); indio_dev->dev.parent = &client->dev; indio_dev->info = &tcs3472_info; diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c index 41cf29e..b2b0937 100644 --- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c +++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c @@ -110,7 +110,6 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev, struct magn_3d_state *magn_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -153,14 +152,12 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &magn_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &magn_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c index 1cd190c..2c0d2a4 100644 --- a/drivers/iio/pressure/hid-sensor-press.c +++ b/drivers/iio/pressure/hid-sensor-press.c @@ -78,7 +78,6 @@ static int press_read_raw(struct iio_dev *indio_dev, struct press_state *press_state = iio_priv(indio_dev); int report_id = -1; u32 address; - int ret; int ret_type; s32 poll_value; @@ -128,14 +127,12 @@ static int press_read_raw(struct iio_dev *indio_dev, ret_type = IIO_VAL_INT; break; case IIO_CHAN_INFO_SAMP_FREQ: - ret = hid_sensor_read_samp_freq_value( + ret_type = hid_sensor_read_samp_freq_value( &press_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; case IIO_CHAN_INFO_HYSTERESIS: - ret = hid_sensor_read_raw_hyst_value( + ret_type = hid_sensor_read_raw_hyst_value( &press_state->common_attributes, val, val2); - ret_type = IIO_VAL_INT_PLUS_MICRO; break; default: ret_type = -EINVAL; diff --git a/drivers/irqchip/irq-armada-370-xp.c b/drivers/irqchip/irq-armada-370-xp.c index c887e6e..574aba0 100644 --- a/drivers/irqchip/irq-armada-370-xp.c +++ b/drivers/irqchip/irq-armada-370-xp.c @@ -334,6 +334,15 @@ static void armada_mpic_send_doorbell(const struct cpumask *mask, static void armada_xp_mpic_smp_cpu_init(void) { + u32 control; + int nr_irqs, i; + + control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL); + nr_irqs = (control >> 2) & 0x3ff; + + for (i = 0; i < nr_irqs; i++) + writel(i, per_cpu_int_base + ARMADA_370_XP_INT_SET_MASK_OFFS); + /* Clear pending IPIs */ writel(0, per_cpu_int_base + ARMADA_370_XP_IN_DRBEL_CAUSE_OFFS); @@ -474,7 +483,7 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node, struct device_node *parent) { struct resource main_int_res, per_cpu_int_res; - int parent_irq; + int parent_irq, nr_irqs, i; u32 control; BUG_ON(of_address_to_resource(node, 0, &main_int_res)); @@ -496,9 +505,13 @@ static int __init armada_370_xp_mpic_of_init(struct device_node *node, BUG_ON(!per_cpu_int_base); control = readl(main_int_base + ARMADA_370_XP_INT_CONTROL); + nr_irqs = (control >> 2) & 0x3ff; + + for (i = 0; i < nr_irqs; i++) + writel(i, main_int_base + ARMADA_370_XP_INT_CLEAR_ENABLE_OFFS); armada_370_xp_mpic_domain = - irq_domain_add_linear(node, (control >> 2) & 0x3ff, + irq_domain_add_linear(node, nr_irqs, &armada_370_xp_mpic_irq_ops, NULL); BUG_ON(!armada_370_xp_mpic_domain); diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 8ee2a36..c15c840 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -150,7 +150,7 @@ int __init brcmstb_l2_intc_of_init(struct device_node *np, /* Allocate a single Generic IRQ chip for this node */ ret = irq_alloc_domain_generic_chips(data->domain, 32, 1, - np->full_name, handle_level_irq, clr, 0, 0); + np->full_name, handle_edge_irq, clr, 0, 0); if (ret) { pr_err("failed to allocate generic irq chip\n"); goto out_free_domain; diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c index 3fdda3a..6ce6bd3 100644 --- a/drivers/irqchip/spear-shirq.c +++ b/drivers/irqchip/spear-shirq.c @@ -125,7 +125,7 @@ static struct spear_shirq spear320_shirq_ras2 = { }; static struct spear_shirq spear320_shirq_ras3 = { - .irq_nr = 3, + .irq_nr = 7, .irq_bit_off = 0, .invalid_irq = 1, .regs = { diff --git a/drivers/isdn/hisax/l3ni1.c b/drivers/isdn/hisax/l3ni1.c index 0df6691..8dc791b 100644 --- a/drivers/isdn/hisax/l3ni1.c +++ b/drivers/isdn/hisax/l3ni1.c @@ -2059,13 +2059,17 @@ static int l3ni1_cmd_global(struct PStack *st, isdn_ctrl *ic) memcpy(p, ic->parm.ni1_io.data, ic->parm.ni1_io.datalen); /* copy data */ l = (p - temp) + ic->parm.ni1_io.datalen; /* total length */ - if (ic->parm.ni1_io.timeout > 0) - if (!(pc = ni1_new_l3_process(st, -1))) - { free_invoke_id(st, id); + if (ic->parm.ni1_io.timeout > 0) { + pc = ni1_new_l3_process(st, -1); + if (!pc) { + free_invoke_id(st, id); return (-2); } - pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; /* remember id */ - pc->prot.ni1.proc = ic->parm.ni1_io.proc; /* and procedure */ + /* remember id */ + pc->prot.ni1.ll_id = ic->parm.ni1_io.ll_id; + /* and procedure */ + pc->prot.ni1.proc = ic->parm.ni1_io.proc; + } if (!(skb = l3_alloc_skb(l))) { free_invoke_id(st, id); diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index 61ac632..a333b7f 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -442,7 +442,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; struct sock_filter *code = NULL; - int len, err; + int len; if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; @@ -458,12 +458,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (IS_ERR(code)) return PTR_ERR(code); - err = sk_chk_filter(code, uprog.len); - if (err) { - kfree(code); - return err; - } - *p = code; return uprog.len; } diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 53b2132..4cba2d8 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2003 Christophe Saout <christophe@saout.de> + * Copyright (C) 2003 Jana Saout <jana@saout.de> * Copyright (C) 2004 Clemens Fruhwirth <clemens@endorphin.org> * Copyright (C) 2006-2009 Red Hat, Inc. All rights reserved. * Copyright (C) 2013 Milan Broz <gmazyland@gmail.com> @@ -1996,6 +1996,6 @@ static void __exit dm_crypt_exit(void) module_init(dm_crypt_init); module_exit(dm_crypt_exit); -MODULE_AUTHOR("Christophe Saout <christophe@saout.de>"); +MODULE_AUTHOR("Jana Saout <jana@saout.de>"); MODULE_DESCRIPTION(DM_NAME " target for transparent encryption / decryption"); MODULE_LICENSE("GPL"); diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 3842ac7..db404a0 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -10,6 +10,7 @@ #include <linux/device-mapper.h> #include <linux/bio.h> +#include <linux/completion.h> #include <linux/mempool.h> #include <linux/module.h> #include <linux/sched.h> @@ -32,7 +33,7 @@ struct dm_io_client { struct io { unsigned long error_bits; atomic_t count; - struct task_struct *sleeper; + struct completion *wait; struct dm_io_client *client; io_notify_fn callback; void *context; @@ -121,8 +122,8 @@ static void dec_count(struct io *io, unsigned int region, int error) invalidate_kernel_vmap_range(io->vma_invalidate_address, io->vma_invalidate_size); - if (io->sleeper) - wake_up_process(io->sleeper); + if (io->wait) + complete(io->wait); else { unsigned long r = io->error_bits; @@ -387,6 +388,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, */ volatile char io_[sizeof(struct io) + __alignof__(struct io) - 1]; struct io *io = (struct io *)PTR_ALIGN(&io_, __alignof__(struct io)); + DECLARE_COMPLETION_ONSTACK(wait); if (num_regions > 1 && (rw & RW_MASK) != WRITE) { WARN_ON(1); @@ -395,7 +397,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, io->error_bits = 0; atomic_set(&io->count, 1); /* see dispatch_io() */ - io->sleeper = current; + io->wait = &wait; io->client = client; io->vma_invalidate_address = dp->vma_invalidate_address; @@ -403,15 +405,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions, dispatch_io(rw, num_regions, where, dp, io, 1); - while (1) { - set_current_state(TASK_UNINTERRUPTIBLE); - - if (!atomic_read(&io->count)) - break; - - io_schedule(); - } - set_current_state(TASK_RUNNING); + wait_for_completion_io(&wait); if (error_bits) *error_bits = io->error_bits; @@ -434,7 +428,7 @@ static int async_io(struct dm_io_client *client, unsigned int num_regions, io = mempool_alloc(client->pool, GFP_NOIO); io->error_bits = 0; atomic_set(&io->count, 1); /* see dispatch_io() */ - io->sleeper = NULL; + io->wait = NULL; io->client = client; io->callback = fn; io->context = context; diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 3f6fd9d..f4167b0 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -1611,8 +1611,9 @@ static int multipath_busy(struct dm_target *ti) spin_lock_irqsave(&m->lock, flags); - /* pg_init in progress, requeue until done */ - if (!pg_ready(m)) { + /* pg_init in progress or no paths available */ + if (m->pg_init_in_progress || + (!m->nr_valid_paths && m->queue_if_no_path)) { busy = 1; goto out; } diff --git a/drivers/md/dm-zero.c b/drivers/md/dm-zero.c index c99003e..b9a64bb 100644 --- a/drivers/md/dm-zero.c +++ b/drivers/md/dm-zero.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2003 Christophe Saout <christophe@saout.de> + * Copyright (C) 2003 Jana Saout <jana@saout.de> * * This file is released under the GPL. */ @@ -79,6 +79,6 @@ static void __exit dm_zero_exit(void) module_init(dm_zero_init) module_exit(dm_zero_exit) -MODULE_AUTHOR("Christophe Saout <christophe@saout.de>"); +MODULE_AUTHOR("Jana Saout <jana@saout.de>"); MODULE_DESCRIPTION(DM_NAME " dummy target returning zeros"); MODULE_LICENSE("GPL"); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 437d990..32b958d 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -54,6 +54,8 @@ static void do_deferred_remove(struct work_struct *w); static DECLARE_WORK(deferred_remove_work, do_deferred_remove); +static struct workqueue_struct *deferred_remove_workqueue; + /* * For bio-based dm. * One of these is allocated per bio. @@ -276,16 +278,24 @@ static int __init local_init(void) if (r) goto out_free_rq_tio_cache; + deferred_remove_workqueue = alloc_workqueue("kdmremove", WQ_UNBOUND, 1); + if (!deferred_remove_workqueue) { + r = -ENOMEM; + goto out_uevent_exit; + } + _major = major; r = register_blkdev(_major, _name); if (r < 0) - goto out_uevent_exit; + goto out_free_workqueue; if (!_major) _major = r; return 0; +out_free_workqueue: + destroy_workqueue(deferred_remove_workqueue); out_uevent_exit: dm_uevent_exit(); out_free_rq_tio_cache: @@ -299,6 +309,7 @@ out_free_io_cache: static void local_exit(void) { flush_scheduled_work(); + destroy_workqueue(deferred_remove_workqueue); kmem_cache_destroy(_rq_tio_cache); kmem_cache_destroy(_io_cache); @@ -407,7 +418,7 @@ static void dm_blk_close(struct gendisk *disk, fmode_t mode) if (atomic_dec_and_test(&md->open_count) && (test_bit(DMF_DEFERRED_REMOVE, &md->flags))) - schedule_work(&deferred_remove_work); + queue_work(deferred_remove_workqueue, &deferred_remove_work); dm_put(md); diff --git a/drivers/md/md.c b/drivers/md/md.c index 3484685..32fc19c 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5599,7 +5599,7 @@ static int get_array_info(struct mddev * mddev, void __user * arg) if (mddev->in_sync) info.state = (1<<MD_SB_CLEAN); if (mddev->bitmap && mddev->bitmap_info.offset) - info.state = (1<<MD_SB_BITMAP_PRESENT); + info.state |= (1<<MD_SB_BITMAP_PRESENT); info.active_disks = insync; info.working_disks = working; info.failed_disks = failed; @@ -7501,6 +7501,19 @@ void md_do_sync(struct md_thread *thread) rdev->recovery_offset < j) j = rdev->recovery_offset; rcu_read_unlock(); + + /* If there is a bitmap, we need to make sure all + * writes that started before we added a spare + * complete before we start doing a recovery. + * Otherwise the write might complete and (via + * bitmap_endwrite) set a bit in the bitmap after the + * recovery has checked that bit and skipped that + * region. + */ + if (mddev->bitmap) { + mddev->pers->quiesce(mddev, 1); + mddev->pers->quiesce(mddev, 0); + } } printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev)); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 3a451b6..701f86c 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4068,7 +4068,7 @@ static int bond_check_params(struct bond_params *params) } if (ad_select) { - bond_opt_initstr(&newval, lacp_rate); + bond_opt_initstr(&newval, ad_select); valptr = bond_opt_parse(bond_opt_get(BOND_OPT_AD_SELECT), &newval); if (!valptr) { diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 141160e..5776e50 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -654,13 +654,13 @@ static int bcm_sysport_tx_poll(struct napi_struct *napi, int budget) work_done = bcm_sysport_tx_reclaim(ring->priv, ring); - if (work_done < budget) { + if (work_done == 0) { napi_complete(napi); /* re-enable TX interrupt */ intrl2_1_mask_clear(ring->priv, BIT(ring->index)); } - return work_done; + return 0; } static void bcm_sysport_tx_reclaim_all(struct bcm_sysport_priv *priv) @@ -1254,28 +1254,17 @@ static inline void umac_enable_set(struct bcm_sysport_priv *priv, usleep_range(1000, 2000); } -static inline int umac_reset(struct bcm_sysport_priv *priv) +static inline void umac_reset(struct bcm_sysport_priv *priv) { - unsigned int timeout = 0; u32 reg; - int ret = 0; - - umac_writel(priv, 0, UMAC_CMD); - while (timeout++ < 1000) { - reg = umac_readl(priv, UMAC_CMD); - if (!(reg & CMD_SW_RESET)) - break; - - udelay(1); - } - - if (timeout == 1000) { - dev_err(&priv->pdev->dev, - "timeout waiting for MAC to come out of reset\n"); - ret = -ETIMEDOUT; - } - return ret; + reg = umac_readl(priv, UMAC_CMD); + reg |= CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); + udelay(10); + reg = umac_readl(priv, UMAC_CMD); + reg &= ~CMD_SW_RESET; + umac_writel(priv, reg, UMAC_CMD); } static void umac_set_hw_addr(struct bcm_sysport_priv *priv, @@ -1303,11 +1292,7 @@ static int bcm_sysport_open(struct net_device *dev) int ret; /* Reset UniMAC */ - ret = umac_reset(priv); - if (ret) { - netdev_err(dev, "UniMAC reset failed\n"); - return ret; - } + umac_reset(priv); /* Flush TX and RX FIFOs at TOPCTRL level */ topctrl_flush(priv); @@ -1589,12 +1574,6 @@ static int bcm_sysport_probe(struct platform_device *pdev) BUILD_BUG_ON(sizeof(struct bcm_tsb) != 8); dev->needed_headroom += sizeof(struct bcm_tsb); - /* We are interfaced to a switch which handles the multicast - * filtering for us, so we do not support programming any - * multicast hash table in this Ethernet MAC. - */ - dev->flags &= ~IFF_MULTICAST; - /* libphy will adjust the link state accordingly */ netif_carrier_off(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 47c5814..4b875da 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -797,7 +797,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, return; } - bnx2x_frag_free(fp, new_data); + if (new_data) + bnx2x_frag_free(fp, new_data); drop: /* drop the packet and keep the buffer in the bin */ DP(NETIF_MSG_RX_STATUS, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 2887034..6a8b145 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12937,7 +12937,7 @@ static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev, int cnic_cnt) * without the default SB. * For VFs there is no default SB, then we return (index+1). */ - pci_read_config_word(pdev, pdev->msix_cap + PCI_MSI_FLAGS, &control); + pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &control); index = control & PCI_MSIX_FLAGS_QSIZE; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 5ba1cfb..16281ad 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1408,13 +1408,6 @@ static int bcmgenet_alloc_rx_buffers(struct bcmgenet_priv *priv) if (cb->skb) continue; - /* set the DMA descriptor length once and for all - * it will only change if we support dynamically sizing - * priv->rx_buf_len, but we do not - */ - dmadesc_set_length_status(priv, priv->rx_bd_assign_ptr, - priv->rx_buf_len << DMA_BUFLENGTH_SHIFT); - ret = bcmgenet_rx_refill(priv, cb); if (ret) break; @@ -2535,14 +2528,17 @@ static int bcmgenet_probe(struct platform_device *pdev) netif_set_real_num_tx_queues(priv->dev, priv->hw_params->tx_queues + 1); netif_set_real_num_rx_queues(priv->dev, priv->hw_params->rx_queues + 1); - err = register_netdev(dev); - if (err) - goto err_clk_disable; + /* libphy will determine the link state */ + netif_carrier_off(dev); /* Turn off the main clock, WOL clock is handled separately */ if (!IS_ERR(priv->clk)) clk_disable_unprepare(priv->clk); + err = register_netdev(dev); + if (err) + goto err; + return err; err_clk_disable: diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 0f11710..e23c993 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -331,9 +331,9 @@ struct bcmgenet_mib_counters { #define EXT_ENERGY_DET_MASK (1 << 12) #define EXT_RGMII_OOB_CTRL 0x0C -#define RGMII_MODE_EN (1 << 0) #define RGMII_LINK (1 << 4) #define OOB_DISABLE (1 << 5) +#define RGMII_MODE_EN (1 << 6) #define ID_MODE_DIS (1 << 16) #define EXT_GPHY_CTRL 0x1C diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 34a26e4..1e187fb 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2902,7 +2902,7 @@ static int be_open(struct net_device *netdev) for_all_evt_queues(adapter, eqo, i) { napi_enable(&eqo->napi); be_enable_busy_poll(eqo); - be_eq_notify(adapter, eqo->q.id, true, false, 0); + be_eq_notify(adapter, eqo->q.id, true, true, 0); } adapter->flags |= BE_FLAGS_NAPI_ENABLED; diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index fab39e2..36fc429 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -2990,11 +2990,11 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (ug_info->rxExtendedFiltering) { size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_8; if (ug_info->largestexternallookupkeysize == - QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES) + QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES) size += THREAD_RX_PRAM_ADDITIONAL_FOR_EXTENDED_FILTERING_16; } diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index a2db388..ee74f95 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1481,6 +1481,13 @@ static s32 igb_init_hw_82575(struct e1000_hw *hw) s32 ret_val; u16 i, rar_count = mac->rar_entry_count; + if ((hw->mac.type >= e1000_i210) && + !(igb_get_flash_presence_i210(hw))) { + ret_val = igb_pll_workaround_i210(hw); + if (ret_val) + return ret_val; + } + /* Initialize identification LED */ ret_val = igb_id_led_init(hw); if (ret_val) { diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 2a8bb35..217f813 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -46,14 +46,15 @@ #define E1000_CTRL_EXT_SDP3_DIR 0x00000800 /* SDP3 Data direction */ /* Physical Func Reset Done Indication */ -#define E1000_CTRL_EXT_PFRSTD 0x00004000 -#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 -#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 -#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 -#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 -#define E1000_CTRL_EXT_EIAME 0x01000000 -#define E1000_CTRL_EXT_IRCA 0x00000001 +#define E1000_CTRL_EXT_PFRSTD 0x00004000 +#define E1000_CTRL_EXT_SDLPE 0X00040000 /* SerDes Low Power Enable */ +#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES 0x00C00000 +#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX 0x00400000 +#define E1000_CTRL_EXT_LINK_MODE_SGMII 0x00800000 +#define E1000_CTRL_EXT_LINK_MODE_GMII 0x00000000 +#define E1000_CTRL_EXT_EIAME 0x01000000 +#define E1000_CTRL_EXT_IRCA 0x00000001 /* Interrupt delay cancellation */ /* Driver loaded bit for FW */ #define E1000_CTRL_EXT_DRV_LOAD 0x10000000 @@ -62,6 +63,7 @@ /* packet buffer parity error detection enabled */ /* descriptor FIFO parity error detection enable */ #define E1000_CTRL_EXT_PBA_CLR 0x80000000 /* PBA Clear */ +#define E1000_CTRL_EXT_PHYPDEN 0x00100000 #define E1000_I2CCMD_REG_ADDR_SHIFT 16 #define E1000_I2CCMD_PHY_ADDR_SHIFT 24 #define E1000_I2CCMD_OPCODE_READ 0x08000000 diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h index 89925e4..ce55ea5 100644 --- a/drivers/net/ethernet/intel/igb/e1000_hw.h +++ b/drivers/net/ethernet/intel/igb/e1000_hw.h @@ -567,4 +567,7 @@ struct net_device *igb_get_hw_dev(struct e1000_hw *hw); /* These functions must be implemented by drivers */ s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value); + +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value); #endif /* _E1000_HW_H_ */ diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c index 337161f..65d9316 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.c +++ b/drivers/net/ethernet/intel/igb/e1000_i210.c @@ -834,3 +834,69 @@ s32 igb_init_nvm_params_i210(struct e1000_hw *hw) } return ret_val; } + +/** + * igb_pll_workaround_i210 + * @hw: pointer to the HW structure + * + * Works around an errata in the PLL circuit where it occasionally + * provides the wrong clock frequency after power up. + **/ +s32 igb_pll_workaround_i210(struct e1000_hw *hw) +{ + s32 ret_val; + u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val; + u16 nvm_word, phy_word, pci_word, tmp_nvm; + int i; + + /* Get and set needed register values */ + wuc = rd32(E1000_WUC); + mdicnfg = rd32(E1000_MDICNFG); + reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO; + wr32(E1000_MDICNFG, reg_val); + + /* Get data from NVM, or set default */ + ret_val = igb_read_invm_word_i210(hw, E1000_INVM_AUTOLOAD, + &nvm_word); + if (ret_val) + nvm_word = E1000_INVM_DEFAULT_AL; + tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL; + for (i = 0; i < E1000_MAX_PLL_TRIES; i++) { + /* check current state directly from internal PHY */ + igb_read_phy_reg_gs40g(hw, (E1000_PHY_PLL_FREQ_PAGE | + E1000_PHY_PLL_FREQ_REG), &phy_word); + if ((phy_word & E1000_PHY_PLL_UNCONF) + != E1000_PHY_PLL_UNCONF) { + ret_val = 0; + break; + } else { + ret_val = -E1000_ERR_PHY; + } + /* directly reset the internal PHY */ + ctrl = rd32(E1000_CTRL); + wr32(E1000_CTRL, ctrl|E1000_CTRL_PHY_RST); + + ctrl_ext = rd32(E1000_CTRL_EXT); + ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE); + wr32(E1000_CTRL_EXT, ctrl_ext); + + wr32(E1000_WUC, 0); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16); + wr32(E1000_EEARBC_I210, reg_val); + + igb_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + pci_word |= E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + usleep_range(1000, 2000); + pci_word &= ~E1000_PCI_PMCSR_D3; + igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word); + reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16); + wr32(E1000_EEARBC_I210, reg_val); + + /* restore WUC register */ + wr32(E1000_WUC, wuc); + } + /* restore MDICNFG setting */ + wr32(E1000_MDICNFG, mdicnfg); + return ret_val; +} diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.h b/drivers/net/ethernet/intel/igb/e1000_i210.h index 9f34976..3442b63 100644 --- a/drivers/net/ethernet/intel/igb/e1000_i210.h +++ b/drivers/net/ethernet/intel/igb/e1000_i210.h @@ -33,6 +33,7 @@ s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data); s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data); s32 igb_init_nvm_params_i210(struct e1000_hw *hw); bool igb_get_flash_presence_i210(struct e1000_hw *hw); +s32 igb_pll_workaround_i210(struct e1000_hw *hw); #define E1000_STM_OPCODE 0xDB00 #define E1000_EEPROM_FLASH_SIZE_WORD 0x11 @@ -78,4 +79,15 @@ enum E1000_INVM_STRUCTURE_TYPE { #define NVM_LED_1_CFG_DEFAULT_I211 0x0184 #define NVM_LED_0_2_CFG_DEFAULT_I211 0x200C +/* PLL Defines */ +#define E1000_PCI_PMCSR 0x44 +#define E1000_PCI_PMCSR_D3 0x03 +#define E1000_MAX_PLL_TRIES 5 +#define E1000_PHY_PLL_UNCONF 0xFF +#define E1000_PHY_PLL_FREQ_PAGE 0xFC0000 +#define E1000_PHY_PLL_FREQ_REG 0x000E +#define E1000_INVM_DEFAULT_AL 0x202F +#define E1000_INVM_AUTOLOAD 0x0A +#define E1000_INVM_PLL_WO_VAL 0x0010 + #endif diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 1cc4b1a7..f5ba4e4 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -66,6 +66,7 @@ #define E1000_PBA 0x01000 /* Packet Buffer Allocation - RW */ #define E1000_PBS 0x01008 /* Packet Buffer Size */ #define E1000_EEMNGCTL 0x01010 /* MNG EEprom Control */ +#define E1000_EEARBC_I210 0x12024 /* EEPROM Auto Read Bus Control */ #define E1000_EEWR 0x0102C /* EEPROM Write Register - RW */ #define E1000_I2CCMD 0x01028 /* SFPI2C Command Register - RW */ #define E1000_FRTIMER 0x01048 /* Free Running Timer - RW */ diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index f145adb..a9537ba 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -7215,6 +7215,20 @@ static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } +void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_read_config_word(adapter->pdev, reg, value); +} + +void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value) +{ + struct igb_adapter *adapter = hw->back; + + pci_write_config_word(adapter->pdev, reg, *value); +} + s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value) { struct igb_adapter *adapter = hw->back; @@ -7578,6 +7592,8 @@ static int igb_sriov_reinit(struct pci_dev *dev) if (netif_running(netdev)) igb_close(netdev); + else + igb_reset(adapter); igb_clear_interrupt_scheme(adapter); diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 45beca1..dadd9a5 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1207,7 +1207,7 @@ static u32 mvneta_txq_desc_csum(int l3_offs, int l3_proto, command = l3_offs << MVNETA_TX_L3_OFF_SHIFT; command |= ip_hdr_len << MVNETA_TX_IP_HLEN_SHIFT; - if (l3_proto == swab16(ETH_P_IP)) + if (l3_proto == htons(ETH_P_IP)) command |= MVNETA_TXD_IP_CSUM; else command |= MVNETA_TX_L3_IP6; @@ -2529,7 +2529,7 @@ static void mvneta_adjust_link(struct net_device *ndev) if (phydev->speed == SPEED_1000) val |= MVNETA_GMAC_CONFIG_GMII_SPEED; - else + else if (phydev->speed == SPEED_100) val |= MVNETA_GMAC_CONFIG_MII_SPEED; mvreg_write(pp, MVNETA_GMAC_AUTONEG_CONFIG, val); diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c index 80f7252..56022d6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c @@ -294,8 +294,6 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, init_completion(&cq->free); cq->irq = priv->eq_table.eq[cq->vector].irq; - cq->irq_affinity_change = false; - return 0; err_radix: diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c index 4b21307..14c0004 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c @@ -128,6 +128,10 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, mlx4_warn(mdev, "Failed assigning an EQ to %s, falling back to legacy EQ's\n", name); } + + cq->irq_desc = + irq_to_desc(mlx4_eq_get_irq(mdev->dev, + cq->vector)); } } else { cq->vector = (cq->ring + 1 + priv->port) % @@ -187,8 +191,6 @@ void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq **pcq) mlx4_en_unmap_buffer(&cq->wqres.buf); mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size); if (priv->mdev->dev->caps.comp_pool && cq->vector) { - if (!cq->is_tx) - irq_set_affinity_hint(cq->mcq.irq, NULL); mlx4_release_eq(priv->mdev->dev, cq->vector); } cq->vector = 0; @@ -204,6 +206,7 @@ void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq) if (!cq->is_tx) { napi_hash_del(&cq->napi); synchronize_rcu(); + irq_set_affinity_hint(cq->mcq.irq, NULL); } netif_napi_del(&cq->napi); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index fa1a069..68d763d 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -417,6 +417,8 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->tx_coalesce_usecs = priv->tx_usecs; coal->tx_max_coalesced_frames = priv->tx_frames; + coal->tx_max_coalesced_frames_irq = priv->tx_work_limit; + coal->rx_coalesce_usecs = priv->rx_usecs; coal->rx_max_coalesced_frames = priv->rx_frames; @@ -426,6 +428,7 @@ static int mlx4_en_get_coalesce(struct net_device *dev, coal->rx_coalesce_usecs_high = priv->rx_usecs_high; coal->rate_sample_interval = priv->sample_interval; coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; + return 0; } @@ -434,6 +437,9 @@ static int mlx4_en_set_coalesce(struct net_device *dev, { struct mlx4_en_priv *priv = netdev_priv(dev); + if (!coal->tx_max_coalesced_frames_irq) + return -EINVAL; + priv->rx_frames = (coal->rx_max_coalesced_frames == MLX4_EN_AUTO_CONF) ? MLX4_EN_RX_COAL_TARGET : @@ -457,6 +463,7 @@ static int mlx4_en_set_coalesce(struct net_device *dev, priv->rx_usecs_high = coal->rx_coalesce_usecs_high; priv->sample_interval = coal->rate_sample_interval; priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; + priv->tx_work_limit = coal->tx_max_coalesced_frames_irq; return mlx4_en_moderation_update(priv); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 7d4fb7b..7345c43 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2336,7 +2336,7 @@ static void mlx4_en_add_vxlan_port(struct net_device *dev, struct mlx4_en_priv *priv = netdev_priv(dev); __be16 current_port; - if (!(priv->mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS)) + if (priv->mdev->dev->caps.tunnel_offload_mode != MLX4_TUNNEL_OFFLOAD_MODE_VXLAN) return; if (sa_family == AF_INET6) @@ -2473,6 +2473,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, MLX4_WQE_CTRL_SOLICITED); priv->num_tx_rings_p_up = mdev->profile.num_tx_rings_p_up; priv->tx_ring_num = prof->tx_ring_num; + priv->tx_work_limit = MLX4_EN_DEFAULT_TX_WORK; priv->tx_ring = kzalloc(sizeof(struct mlx4_en_tx_ring *) * MAX_TX_RINGS, GFP_KERNEL); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index d2d4157..5535862 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -40,6 +40,7 @@ #include <linux/if_ether.h> #include <linux/if_vlan.h> #include <linux/vmalloc.h> +#include <linux/irq.h> #include "mlx4_en.h" @@ -782,6 +783,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud PKT_HASH_TYPE_L3); skb_record_rx_queue(gro_skb, cq->ring); + skb_mark_napi_id(gro_skb, &cq->napi); if (ring->hwtstamp_rx_filter == HWTSTAMP_FILTER_ALL) { timestamp = mlx4_en_get_cqe_ts(cqe); @@ -896,16 +898,25 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) /* If we used up all the quota - we're probably not done yet... */ if (done == budget) { + int cpu_curr; + const struct cpumask *aff; + INC_PERF_COUNTER(priv->pstats.napi_quota); - if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; + + cpu_curr = smp_processor_id(); + aff = irq_desc_get_irq_data(cq->irq_desc)->affinity; + + if (unlikely(!cpumask_test_cpu(cpu_curr, aff))) { + /* Current cpu is not according to smp_irq_affinity - + * probably affinity changed. need to stop this NAPI + * poll, and restart it on the right CPU + */ napi_complete(napi); mlx4_en_arm_cq(priv, cq); return 0; } } else { /* Done for now */ - cq->mcq.irq_affinity_change = false; napi_complete(napi); mlx4_en_arm_cq(priv, cq); } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8be7483..5045bab 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -351,9 +351,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring) return cnt; } -static int mlx4_en_process_tx_cq(struct net_device *dev, - struct mlx4_en_cq *cq, - int budget) +static bool mlx4_en_process_tx_cq(struct net_device *dev, + struct mlx4_en_cq *cq) { struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_cq *mcq = &cq->mcq; @@ -372,9 +371,10 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, int factor = priv->cqe_factor; u64 timestamp = 0; int done = 0; + int budget = priv->tx_work_limit; if (!priv->port_up) - return 0; + return true; index = cons_index & size_mask; cqe = &buf[(index << factor) + factor]; @@ -447,7 +447,7 @@ static int mlx4_en_process_tx_cq(struct net_device *dev, netif_tx_wake_queue(ring->tx_queue); ring->wake_queue++; } - return done; + return done < budget; } void mlx4_en_tx_irq(struct mlx4_cq *mcq) @@ -467,24 +467,16 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget) struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi); struct net_device *dev = cq->dev; struct mlx4_en_priv *priv = netdev_priv(dev); - int done; + int clean_complete; - done = mlx4_en_process_tx_cq(dev, cq, budget); + clean_complete = mlx4_en_process_tx_cq(dev, cq); + if (!clean_complete) + return budget; - /* If we used up all the quota - we're probably not done yet... */ - if (done < budget) { - /* Done for now */ - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return done; - } else if (unlikely(cq->mcq.irq_affinity_change)) { - cq->mcq.irq_affinity_change = false; - napi_complete(napi); - mlx4_en_arm_cq(priv, cq); - return 0; - } - return budget; + napi_complete(napi); + mlx4_en_arm_cq(priv, cq); + + return 0; } static struct mlx4_en_tx_desc *mlx4_en_bounce_to_desc(struct mlx4_en_priv *priv, diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index d954ec1..2a004b3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -53,11 +53,6 @@ enum { MLX4_EQ_ENTRY_SIZE = 0x20 }; -struct mlx4_irq_notify { - void *arg; - struct irq_affinity_notify notify; -}; - #define MLX4_EQ_STATUS_OK ( 0 << 28) #define MLX4_EQ_STATUS_WRITE_FAIL (10 << 28) #define MLX4_EQ_OWNER_SW ( 0 << 24) @@ -1088,57 +1083,6 @@ static void mlx4_unmap_clr_int(struct mlx4_dev *dev) iounmap(priv->clr_base); } -static void mlx4_irq_notifier_notify(struct irq_affinity_notify *notify, - const cpumask_t *mask) -{ - struct mlx4_irq_notify *n = container_of(notify, - struct mlx4_irq_notify, - notify); - struct mlx4_priv *priv = (struct mlx4_priv *)n->arg; - struct radix_tree_iter iter; - void **slot; - - radix_tree_for_each_slot(slot, &priv->cq_table.tree, &iter, 0) { - struct mlx4_cq *cq = (struct mlx4_cq *)(*slot); - - if (cq->irq == notify->irq) - cq->irq_affinity_change = true; - } -} - -static void mlx4_release_irq_notifier(struct kref *ref) -{ - struct mlx4_irq_notify *n = container_of(ref, struct mlx4_irq_notify, - notify.kref); - kfree(n); -} - -static void mlx4_assign_irq_notifier(struct mlx4_priv *priv, - struct mlx4_dev *dev, int irq) -{ - struct mlx4_irq_notify *irq_notifier = NULL; - int err = 0; - - irq_notifier = kzalloc(sizeof(*irq_notifier), GFP_KERNEL); - if (!irq_notifier) { - mlx4_warn(dev, "Failed to allocate irq notifier. irq %d\n", - irq); - return; - } - - irq_notifier->notify.irq = irq; - irq_notifier->notify.notify = mlx4_irq_notifier_notify; - irq_notifier->notify.release = mlx4_release_irq_notifier; - irq_notifier->arg = priv; - err = irq_set_affinity_notifier(irq, &irq_notifier->notify); - if (err) { - kfree(irq_notifier); - irq_notifier = NULL; - mlx4_warn(dev, "Failed to set irq notifier. irq %d\n", irq); - } -} - - int mlx4_alloc_eq_table(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1409,8 +1353,6 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, continue; /*we dont want to break here*/ } - mlx4_assign_irq_notifier(priv, dev, - priv->eq_table.eq[vec].irq); eq_set_ci(&priv->eq_table.eq[vec], 1); } @@ -1427,6 +1369,14 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, } EXPORT_SYMBOL(mlx4_assign_eq); +int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec) +{ + struct mlx4_priv *priv = mlx4_priv(dev); + + return priv->eq_table.eq[vec].irq; +} +EXPORT_SYMBOL(mlx4_eq_get_irq); + void mlx4_release_eq(struct mlx4_dev *dev, int vec) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -1438,9 +1388,6 @@ void mlx4_release_eq(struct mlx4_dev *dev, int vec) Belonging to a legacy EQ*/ mutex_lock(&priv->msix_ctl.pool_lock); if (priv->msix_ctl.pool_bm & 1ULL << i) { - irq_set_affinity_notifier( - priv->eq_table.eq[vec].irq, - NULL); free_irq(priv->eq_table.eq[vec].irq, &priv->eq_table.eq[vec]); priv->msix_ctl.pool_bm &= ~(1ULL << i); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 0e15295..d72a5a8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -126,6 +126,8 @@ enum { #define MAX_TX_RINGS (MLX4_EN_MAX_TX_RING_P_UP * \ MLX4_EN_NUM_UP) +#define MLX4_EN_DEFAULT_TX_WORK 256 + /* Target number of packets to coalesce with interrupt moderation */ #define MLX4_EN_RX_COAL_TARGET 44 #define MLX4_EN_RX_COAL_TIME 0x10 @@ -343,6 +345,7 @@ struct mlx4_en_cq { #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ #endif /* CONFIG_NET_RX_BUSY_POLL */ + struct irq_desc *irq_desc; }; struct mlx4_en_port_profile { @@ -542,6 +545,7 @@ struct mlx4_en_priv { __be32 ctrl_flags; u32 flags; u8 num_tx_rings_p_up; + u32 tx_work_limit; u32 tx_ring_num; u32 rx_ring_num; u32 rx_skb_size; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index be425ad..06bdc31 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -538,6 +538,7 @@ enum rtl_register_content { MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */ LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */ Jumbo_En0 = (1 << 2), /* 8168 only. Reserved in the 8168b */ + Rdy_to_L23 = (1 << 1), /* L23 Enable */ Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */ /* Config4 register */ @@ -4897,6 +4898,21 @@ static void rtl_enable_clock_request(struct pci_dev *pdev) PCI_EXP_LNKCTL_CLKREQ_EN); } +static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable) +{ + void __iomem *ioaddr = tp->mmio_addr; + u8 data; + + data = RTL_R8(Config3); + + if (enable) + data |= Rdy_to_L23; + else + data &= ~Rdy_to_L23; + + RTL_W8(Config3, data); +} + #define R8168_CPCMD_QUIRK_MASK (\ EnableBist | \ Mac_dbgo_oe | \ @@ -5246,6 +5262,7 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp) }; rtl_hw_start_8168f(tp); + rtl_pcie_state_l2l3_enable(tp, false); rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1)); @@ -5284,6 +5301,8 @@ static void rtl_hw_start_8168g_1(struct rtl8169_private *tp) rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8168g_2(struct rtl8169_private *tp) @@ -5536,6 +5555,8 @@ static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN); rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1)); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) @@ -5571,6 +5592,8 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp) rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC); rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8106(struct rtl8169_private *tp) @@ -5583,6 +5606,8 @@ static void rtl_hw_start_8106(struct rtl8169_private *tp) RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET); RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN); + + rtl_pcie_state_l2l3_enable(tp, false); } static void rtl_hw_start_8101(struct net_device *dev) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index b3e148e..9d37483 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -320,11 +320,8 @@ static void dwmac1000_set_eee_timer(void __iomem *ioaddr, int ls, int tw) static void dwmac1000_ctrl_ane(void __iomem *ioaddr, bool restart) { - u32 value; - - value = readl(ioaddr + GMAC_AN_CTRL); /* auto negotiation enable and External Loopback enable */ - value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; + u32 value = GMAC_AN_CTRL_ANE | GMAC_AN_CTRL_ELE; if (restart) value |= GMAC_AN_CTRL_RAN; diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index 7e6628a..1e2bcf5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -145,7 +145,7 @@ static void enh_desc_get_ext_status(void *data, struct stmmac_extra_stats *x, x->rx_msg_type_delay_req++; else if (p->des4.erx.msg_type == RDES_EXT_DELAY_RESP) x->rx_msg_type_delay_resp++; - else if (p->des4.erx.msg_type == RDES_EXT_DELAY_REQ) + else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_REQ) x->rx_msg_type_pdelay_req++; else if (p->des4.erx.msg_type == RDES_EXT_PDELAY_RESP) x->rx_msg_type_pdelay_resp++; diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index eb78203..2aa5727 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -291,7 +291,11 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type); static int dfx_rcv_init(DFX_board_t *bp, int get_buffers); static void dfx_rcv_queue_process(DFX_board_t *bp); +#ifdef DYNAMIC_BUFFERS static void dfx_rcv_flush(DFX_board_t *bp); +#else +static inline void dfx_rcv_flush(DFX_board_t *bp) {} +#endif static netdev_tx_t dfx_xmt_queue_pkt(struct sk_buff *skb, struct net_device *dev); @@ -2849,7 +2853,7 @@ static int dfx_hw_dma_uninit(DFX_board_t *bp, PI_UINT32 type) * Align an sk_buff to a boundary power of 2 * */ - +#ifdef DYNAMIC_BUFFERS static void my_skb_align(struct sk_buff *skb, int n) { unsigned long x = (unsigned long)skb->data; @@ -2859,7 +2863,7 @@ static void my_skb_align(struct sk_buff *skb, int n) skb_reserve(skb, v - x); } - +#endif /* * ================ @@ -3074,10 +3078,7 @@ static void dfx_rcv_queue_process( break; } else { -#ifndef DYNAMIC_BUFFERS - if (! rx_in_place) -#endif - { + if (!rx_in_place) { /* Receive buffer allocated, pass receive packet up */ skb_copy_to_linear_data(skb, @@ -3453,10 +3454,6 @@ static void dfx_rcv_flush( DFX_board_t *bp ) } } -#else -static inline void dfx_rcv_flush( DFX_board_t *bp ) -{ -} #endif /* DYNAMIC_BUFFERS */ /* diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 6a999e6..9408157 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -1323,15 +1323,15 @@ static bool dp83640_rxtstamp(struct phy_device *phydev, { struct dp83640_private *dp83640 = phydev->priv; - if (!dp83640->hwts_rx_en) - return false; - if (is_status_frame(skb, type)) { decode_status_frame(dp83640, skb); kfree_skb(skb); return true; } + if (!dp83640->hwts_rx_en) + return false; + SKB_PTP_TYPE(skb) = type; skb_queue_tail(&dp83640->rx_queue, skb); schedule_work(&dp83640->ts_work); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 2e58aa5..4eaadcf 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -187,6 +187,50 @@ struct mii_bus *of_mdio_find_bus(struct device_node *mdio_bus_np) return d ? to_mii_bus(d) : NULL; } EXPORT_SYMBOL(of_mdio_find_bus); + +/* Walk the list of subnodes of a mdio bus and look for a node that matches the + * phy's address with its 'reg' property. If found, set the of_node pointer for + * the phy. This allows auto-probed pyh devices to be supplied with information + * passed in via DT. + */ +static void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ + struct device *dev = &phydev->dev; + struct device_node *child; + + if (dev->of_node || !mdio->dev.of_node) + return; + + for_each_available_child_of_node(mdio->dev.of_node, child) { + int addr; + int ret; + + ret = of_property_read_u32(child, "reg", &addr); + if (ret < 0) { + dev_err(dev, "%s has invalid PHY address\n", + child->full_name); + continue; + } + + /* A PHY must have a reg property in the range [0-31] */ + if (addr >= PHY_MAX_ADDR) { + dev_err(dev, "%s PHY address %i is too large\n", + child->full_name, addr); + continue; + } + + if (addr == phydev->addr) { + dev->of_node = child; + return; + } + } +} +#else /* !IS_ENABLED(CONFIG_OF_MDIO) */ +static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, + struct phy_device *phydev) +{ +} #endif /** diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index 91d6c12..e2f20f8 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -539,7 +539,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; struct sock_filter *code = NULL; - int len, err; + int len; if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; @@ -554,12 +554,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (IS_ERR(code)) return PTR_ERR(code); - err = sk_chk_filter(code, uprog.len); - if (err) { - kfree(code); - return err; - } - *p = code; return uprog.len; } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 2ea7efd..6c9c16d 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -675,7 +675,7 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, po->chan.hdrlen = (sizeof(struct pppoe_hdr) + dev->hard_header_len); - po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr); + po->chan.mtu = dev->mtu - sizeof(struct pppoe_hdr) - 2; po->chan.private = sk; po->chan.ops = &pppoe_chan_ops; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index a3a0586..a4272ed 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -258,10 +258,8 @@ struct hso_serial { * so as not to drop characters on the floor. */ int curr_rx_urb_idx; - u16 curr_rx_urb_offset; u8 rx_urb_filled[MAX_RX_URBS]; struct tasklet_struct unthrottle_tasklet; - struct work_struct retry_unthrottle_workqueue; }; struct hso_device { @@ -1252,14 +1250,6 @@ static void hso_unthrottle(struct tty_struct *tty) tasklet_hi_schedule(&serial->unthrottle_tasklet); } -static void hso_unthrottle_workfunc(struct work_struct *work) -{ - struct hso_serial *serial = - container_of(work, struct hso_serial, - retry_unthrottle_workqueue); - hso_unthrottle_tasklet(serial); -} - /* open the requested serial port */ static int hso_serial_open(struct tty_struct *tty, struct file *filp) { @@ -1295,8 +1285,6 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) tasklet_init(&serial->unthrottle_tasklet, (void (*)(unsigned long))hso_unthrottle_tasklet, (unsigned long)serial); - INIT_WORK(&serial->retry_unthrottle_workqueue, - hso_unthrottle_workfunc); result = hso_start_serial_device(serial->parent, GFP_KERNEL); if (result) { hso_stop_serial_device(serial->parent); @@ -1345,7 +1333,6 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) if (!usb_gone) hso_stop_serial_device(serial->parent); tasklet_kill(&serial->unthrottle_tasklet); - cancel_work_sync(&serial->retry_unthrottle_workqueue); } if (!usb_gone) @@ -2013,8 +2000,7 @@ static void ctrl_callback(struct urb *urb) static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) { struct tty_struct *tty; - int write_length_remaining = 0; - int curr_write_len; + int count; /* Sanity check */ if (urb == NULL || serial == NULL) { @@ -2024,29 +2010,28 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) tty = tty_port_tty_get(&serial->port); + if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { + tty_kref_put(tty); + return -1; + } + /* Push data to tty */ - write_length_remaining = urb->actual_length - - serial->curr_rx_urb_offset; D1("data to push to tty"); - while (write_length_remaining) { - if (tty && test_bit(TTY_THROTTLED, &tty->flags)) { - tty_kref_put(tty); - return -1; - } - curr_write_len = tty_insert_flip_string(&serial->port, - urb->transfer_buffer + serial->curr_rx_urb_offset, - write_length_remaining); - serial->curr_rx_urb_offset += curr_write_len; - write_length_remaining -= curr_write_len; + count = tty_buffer_request_room(&serial->port, urb->actual_length); + if (count >= urb->actual_length) { + tty_insert_flip_string(&serial->port, urb->transfer_buffer, + urb->actual_length); tty_flip_buffer_push(&serial->port); + } else { + dev_warn(&serial->parent->usb->dev, + "dropping data, %d bytes lost\n", urb->actual_length); } + tty_kref_put(tty); - if (write_length_remaining == 0) { - serial->curr_rx_urb_offset = 0; - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - } - return write_length_remaining; + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; + + return 0; } @@ -2217,7 +2202,6 @@ static int hso_stop_serial_device(struct hso_device *hso_dev) } } serial->curr_rx_urb_idx = 0; - serial->curr_rx_urb_offset = 0; if (serial->tx_urb) usb_kill_urb(serial->tx_urb); diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index cf62d7e..c4638c6 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -741,6 +741,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1425, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1426, 2)}, /* ZTE MF91 */ + {QMI_FIXED_INTF(0x19d2, 0x1428, 2)}, /* Telewell TW-LTE 4G v2 */ {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x0f3d, 0x68a2, 8)}, /* Sierra Wireless MC7700 */ {QMI_FIXED_INTF(0x114f, 0x68a2, 8)}, /* Sierra Wireless MC7750 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 2543196..7bad2d3 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1359,7 +1359,7 @@ static void r8152_csum_workaround(struct r8152 *tp, struct sk_buff *skb, struct sk_buff_head seg_list; struct sk_buff *segs, *nskb; - features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO); + features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); segs = skb_gso_segment(skb, features); if (IS_ERR(segs) || !segs) goto drop; @@ -3204,8 +3204,13 @@ static void rtl8152_get_ethtool_stats(struct net_device *dev, struct r8152 *tp = netdev_priv(dev); struct tally_counter tally; + if (usb_autopm_get_interface(tp->intf) < 0) + return; + generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA); + usb_autopm_put_interface(tp->intf); + data[0] = le64_to_cpu(tally.tx_packets); data[1] = le64_to_cpu(tally.rx_packets); data[2] = le64_to_cpu(tally.tx_errors); diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 424db65e..d07bf4c 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1714,6 +1714,18 @@ static int smsc95xx_resume(struct usb_interface *intf) return ret; } +static int smsc95xx_reset_resume(struct usb_interface *intf) +{ + struct usbnet *dev = usb_get_intfdata(intf); + int ret; + + ret = smsc95xx_reset(dev); + if (ret < 0) + return ret; + + return smsc95xx_resume(intf); +} + static void smsc95xx_rx_csum_offload(struct sk_buff *skb) { skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2); @@ -2004,7 +2016,7 @@ static struct usb_driver smsc95xx_driver = { .probe = usbnet_probe, .suspend = smsc95xx_suspend, .resume = smsc95xx_resume, - .reset_resume = smsc95xx_resume, + .reset_resume = smsc95xx_reset_resume, .disconnect = usbnet_disconnect, .disable_hub_initiated_lpm = 1, .supports_autosuspend = 1, diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c index 93ace04..1f04127 100644 --- a/drivers/net/wan/farsync.c +++ b/drivers/net/wan/farsync.c @@ -2363,7 +2363,7 @@ static char *type_strings[] = { "FarSync TE1" }; -static void +static int fst_init_card(struct fst_card_info *card) { int i; @@ -2374,24 +2374,21 @@ fst_init_card(struct fst_card_info *card) * we'll have to revise it in some way then. */ for (i = 0; i < card->nports; i++) { - err = register_hdlc_device(card->ports[i].dev); - if (err < 0) { - int j; + err = register_hdlc_device(card->ports[i].dev); + if (err < 0) { pr_err("Cannot register HDLC device for port %d (errno %d)\n", - i, -err); - for (j = i; j < card->nports; j++) { - free_netdev(card->ports[j].dev); - card->ports[j].dev = NULL; - } - card->nports = i; - break; - } + i, -err); + while (i--) + unregister_hdlc_device(card->ports[i].dev); + return err; + } } pr_info("%s-%s: %s IRQ%d, %d ports\n", port_to_dev(&card->ports[0])->name, port_to_dev(&card->ports[card->nports - 1])->name, type_strings[card->type], card->irq, card->nports); + return 0; } static const struct net_device_ops fst_ops = { @@ -2447,15 +2444,12 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Try to enable the device */ if ((err = pci_enable_device(pdev)) != 0) { pr_err("Failed to enable card. Err %d\n", -err); - kfree(card); - return err; + goto enable_fail; } if ((err = pci_request_regions(pdev, "FarSync")) !=0) { pr_err("Failed to allocate regions. Err %d\n", -err); - pci_disable_device(pdev); - kfree(card); - return err; + goto regions_fail; } /* Get virtual addresses of memory regions */ @@ -2464,30 +2458,21 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) card->phys_ctlmem = pci_resource_start(pdev, 3); if ((card->mem = ioremap(card->phys_mem, FST_MEMSIZE)) == NULL) { pr_err("Physical memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_physmem_fail; } if ((card->ctlmem = ioremap(card->phys_ctlmem, 0x10)) == NULL) { pr_err("Control memory remap failed\n"); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto ioremap_ctlmem_fail; } dbg(DBG_PCI, "kernel mem %p, ctlmem %p\n", card->mem, card->ctlmem); /* Register the interrupt handler */ if (request_irq(pdev->irq, fst_intr, IRQF_SHARED, FST_DEV_NAME, card)) { pr_err("Unable to register interrupt %d\n", card->irq); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENODEV; + goto irq_fail; } /* Record info we need */ @@ -2513,13 +2498,8 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) while (i--) free_netdev(card->ports[i].dev); pr_err("FarSync: out of memory\n"); - free_irq(card->irq, card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENODEV; + err = -ENOMEM; + goto hdlcdev_fail; } card->ports[i].dev = dev; card->ports[i].card = card; @@ -2565,9 +2545,16 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, card); /* Remainder of card setup */ + if (no_of_cards_added >= FST_MAX_CARDS) { + pr_err("FarSync: too many cards\n"); + err = -ENOMEM; + goto card_array_fail; + } fst_card_array[no_of_cards_added] = card; card->card_no = no_of_cards_added++; /* Record instance and bump it */ - fst_init_card(card); + err = fst_init_card(card); + if (err) + goto init_card_fail; if (card->family == FST_FAMILY_TXU) { /* * Allocate a dma buffer for transmit and receives @@ -2577,29 +2564,46 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent) &card->rx_dma_handle_card); if (card->rx_dma_handle_host == NULL) { pr_err("Could not allocate rx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto rx_dma_fail; } card->tx_dma_handle_host = pci_alloc_consistent(card->device, FST_MAX_MTU, &card->tx_dma_handle_card); if (card->tx_dma_handle_host == NULL) { pr_err("Could not allocate tx dma buffer\n"); - fst_disable_intr(card); - pci_release_regions(pdev); - pci_disable_device(pdev); - iounmap(card->ctlmem); - iounmap(card->mem); - kfree(card); - return -ENOMEM; + err = -ENOMEM; + goto tx_dma_fail; } } return 0; /* Success */ + +tx_dma_fail: + pci_free_consistent(card->device, FST_MAX_MTU, + card->rx_dma_handle_host, + card->rx_dma_handle_card); +rx_dma_fail: + fst_disable_intr(card); + for (i = 0 ; i < card->nports ; i++) + unregister_hdlc_device(card->ports[i].dev); +init_card_fail: + fst_card_array[card->card_no] = NULL; +card_array_fail: + for (i = 0 ; i < card->nports ; i++) + free_netdev(card->ports[i].dev); +hdlcdev_fail: + free_irq(card->irq, card); +irq_fail: + iounmap(card->ctlmem); +ioremap_ctlmem_fail: + iounmap(card->mem); +ioremap_physmem_fail: + pci_release_regions(pdev); +regions_fail: + pci_disable_device(pdev); +enable_fail: + kfree(card); + return err; } /* diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 82017f5..e6c56c5 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -795,7 +795,11 @@ int ath10k_core_start(struct ath10k *ar) if (status) goto err_htc_stop; - ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) + ar->free_vdev_map = (1 << TARGET_10X_NUM_VDEVS) - 1; + else + ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1; + INIT_LIST_HEAD(&ar->arvifs); if (!test_bit(ATH10K_FLAG_FIRST_BOOT_DONE, &ar->dev_flags)) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 6c102b1..eebc860 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -312,7 +312,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, int msdu_len, msdu_chaining = 0; struct sk_buff *msdu; struct htt_rx_desc *rx_desc; - bool corrupted = false; lockdep_assert_held(&htt->rx_ring.lock); @@ -439,9 +438,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, last_msdu = __le32_to_cpu(rx_desc->msdu_end.info0) & RX_MSDU_END_INFO0_LAST_MSDU; - if (msdu_chaining && !last_msdu) - corrupted = true; - if (last_msdu) { msdu->next = NULL; break; @@ -457,20 +453,6 @@ static int ath10k_htt_rx_amsdu_pop(struct ath10k_htt *htt, msdu_chaining = -1; /* - * Apparently FW sometimes reports weird chained MSDU sequences with - * more than one rx descriptor. This seems like a bug but needs more - * analyzing. For the time being fix it by dropping such sequences to - * avoid blowing up the host system. - */ - if (corrupted) { - ath10k_warn("failed to pop chained msdus, dropping\n"); - ath10k_htt_rx_free_msdu_chain(*head_msdu); - *head_msdu = NULL; - *tail_msdu = NULL; - msdu_chaining = -EINVAL; - } - - /* * Don't refill the ring yet. * * First, the elements popped here are still in use - it is not diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 6db51a6..d06fcb0 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -1184,8 +1184,6 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) bus->bus_priv.usb = bus_pub; dev_set_drvdata(dev, bus); bus->ops = &brcmf_usb_bus_ops; - bus->chip = bus_pub->devid; - bus->chiprev = bus_pub->chiprev; bus->proto_type = BRCMF_PROTO_BCDC; bus->always_use_fws_queue = true; @@ -1194,6 +1192,9 @@ static int brcmf_usb_probe_cb(struct brcmf_usbdev_info *devinfo) if (ret) goto fail; } + bus->chip = bus_pub->devid; + bus->chiprev = bus_pub->chiprev; + /* request firmware here */ brcmf_fw_get_firmwares(dev, 0, brcmf_usb_get_fwname(devinfo), NULL, brcmf_usb_probe_phase2); diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index ed50de6..6dc5dd3 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1068,13 +1068,6 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx) /* recalculate basic rates */ iwl_calc_basic_rates(priv, ctx); - /* - * force CTS-to-self frames protection if RTS-CTS is not preferred - * one aggregation protection method - */ - if (!priv->hw_params.use_rts_for_aggregation) - ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; - if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) || !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK)) ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK; @@ -1480,11 +1473,6 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw, else ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK; - if (bss_conf->use_cts_prot) - ctx->staging.flags |= RXON_FLG_SELF_CTS_EN; - else - ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN; - memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN); if (vif->type == NL80211_IFTYPE_AP || diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index 0aa7c00..b1a3332 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -88,6 +88,7 @@ * P2P client interfaces simultaneously if they are in different bindings. * @IWL_UCODE_TLV_FLAGS_P2P_BSS_PS_SCM: support power save on BSS station and * P2P client interfaces simultaneously if they are in same bindings. + * @IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT: General support for uAPSD * @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save * @IWL_UCODE_TLV_FLAGS_BCAST_FILTERING: uCode supports broadcast filtering. * @IWL_UCODE_TLV_FLAGS_GO_UAPSD: AP/GO interfaces support uAPSD clients diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 8b53027..725ba49 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -667,10 +667,9 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm, if (vif->bss_conf.qos) cmd->qos_flags |= cpu_to_le32(MAC_QOS_FLG_UPDATE_EDCA); - if (vif->bss_conf.use_cts_prot) { + if (vif->bss_conf.use_cts_prot) cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT); - cmd->protection_flags |= cpu_to_le32(MAC_PROT_FLG_SELF_CTS_EN); - } + IWL_DEBUG_RATE(mvm, "use_cts_prot %d, ht_operation_mode %d\n", vif->bss_conf.use_cts_prot, vif->bss_conf.ht_operation_mode); diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 7215f59..9bfb906 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -303,6 +303,13 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; } + if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT && + !iwlwifi_mod_params.uapsd_disable) { + hw->flags |= IEEE80211_HW_SUPPORTS_UAPSD; + hw->uapsd_queues = IWL_UAPSD_AC_INFO; + hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; + } + hw->sta_data_size = sizeof(struct iwl_mvm_sta); hw->vif_data_size = sizeof(struct iwl_mvm_vif); hw->chanctx_data_size = sizeof(u16); @@ -1159,8 +1166,12 @@ static void iwl_mvm_bcast_filter_iterator(void *_data, u8 *mac, bcast_mac = &cmd->macs[mvmvif->id]; - /* enable filtering only for associated stations */ - if (vif->type != NL80211_IFTYPE_STATION || !vif->bss_conf.assoc) + /* + * enable filtering only for associated stations, but not for P2P + * Clients + */ + if (vif->type != NL80211_IFTYPE_STATION || vif->p2p || + !vif->bss_conf.assoc) return; bcast_mac->default_discard = 1; @@ -1237,10 +1248,6 @@ static int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm, if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_BCAST_FILTERING)) return 0; - /* bcast filtering isn't supported for P2P client */ - if (vif->p2p) - return 0; - if (!iwl_mvm_bcast_filter_build_cmd(mvm, &cmd)) return 0; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 4b6c7d4..eac2b42 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -588,9 +588,7 @@ static void iwl_build_scan_cmd(struct iwl_mvm *mvm, struct iwl_scan_offload_cmd *scan, struct iwl_mvm_scan_params *params) { - scan->channel_count = - mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels + - mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; + scan->channel_count = req->n_channels; scan->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME); scan->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH); scan->good_CRC_th = IWL_GOOD_CRC_TH_DEFAULT; @@ -669,61 +667,37 @@ static void iwl_build_channel_cfg(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req, struct iwl_scan_channel_cfg *channels, enum ieee80211_band band, - int *head, int *tail, + int *head, u32 ssid_bitmap, struct iwl_mvm_scan_params *params) { - struct ieee80211_supported_band *s_band; - int n_channels = req->n_channels; - int i, j, index = 0; - bool partial; + int i, index = 0; - /* - * We have to configure all supported channels, even if we don't want to - * scan on them, but we have to send channels in the order that we want - * to scan. So add requested channels to head of the list and others to - * the end. - */ - s_band = &mvm->nvm_data->bands[band]; - - for (i = 0; i < s_band->n_channels && *head <= *tail; i++) { - partial = false; - for (j = 0; j < n_channels; j++) - if (s_band->channels[i].center_freq == - req->channels[j]->center_freq) { - index = *head; - (*head)++; - /* - * Channels that came with the request will be - * in partial scan . - */ - partial = true; - break; - } - if (!partial) { - index = *tail; - (*tail)--; - } - channels->channel_number[index] = - cpu_to_le16(ieee80211_frequency_to_channel( - s_band->channels[i].center_freq)); + for (i = 0; i < req->n_channels; i++) { + struct ieee80211_channel *chan = req->channels[i]; + + if (chan->band != band) + continue; + + index = *head; + (*head)++; + + channels->channel_number[index] = cpu_to_le16(chan->hw_value); channels->dwell_time[index][0] = params->dwell[band].active; channels->dwell_time[index][1] = params->dwell[band].passive; channels->iter_count[index] = cpu_to_le16(1); channels->iter_interval[index] = 0; - if (!(s_band->channels[i].flags & IEEE80211_CHAN_NO_IR)) + if (!(chan->flags & IEEE80211_CHAN_NO_IR)) channels->type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE); channels->type[index] |= - cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL); - if (partial) - channels->type[index] |= - cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); + cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL | + IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); - if (s_band->channels[i].flags & IEEE80211_CHAN_NO_HT40) + if (chan->flags & IEEE80211_CHAN_NO_HT40) channels->type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_NARROW); @@ -740,7 +714,6 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels; int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; int head = 0; - int tail = band_2ghz + band_5ghz - 1; u32 ssid_bitmap; int cmd_len; int ret; @@ -772,7 +745,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, &scan_cfg->scan_cmd.tx_cmd[0], scan_cfg->data); iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, - IEEE80211_BAND_2GHZ, &head, &tail, + IEEE80211_BAND_2GHZ, &head, ssid_bitmap, ¶ms); } if (band_5ghz) { @@ -782,7 +755,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, scan_cfg->data + SCAN_OFFLOAD_PROBE_REQ_SIZE); iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, - IEEE80211_BAND_5GHZ, &head, &tail, + IEEE80211_BAND_5GHZ, &head, ssid_bitmap, ¶ms); } diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 7091a18..98950e4 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -367,6 +367,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5412, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, @@ -380,7 +381,7 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x9200, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x9200, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9410, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 5b32106..fe0f66f 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -185,6 +185,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, skb_reserve(skb_aggr, headroom + sizeof(struct txpd)); tx_info_aggr = MWIFIEX_SKB_TXCB(skb_aggr); + memset(tx_info_aggr, 0, sizeof(*tx_info_aggr)); tx_info_aggr->bss_type = tx_info_src->bss_type; tx_info_aggr->bss_num = tx_info_src->bss_num; diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index e95dec9..b511613 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -220,6 +220,7 @@ mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = pkt_len; diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 8dee6c8..c161141 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -453,6 +453,7 @@ int mwifiex_process_event(struct mwifiex_adapter *adapter) if (skb) { rx_info = MWIFIEX_SKB_RXCB(skb); + memset(rx_info, 0, sizeof(*rx_info)); rx_info->bss_num = priv->bss_num; rx_info->bss_type = priv->bss_type; } diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index cbabc12..e91cd0f 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -645,6 +645,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = skb->len; diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c index 5fce7e7..70eb863 100644 --- a/drivers/net/wireless/mwifiex/sta_tx.c +++ b/drivers/net/wireless/mwifiex/sta_tx.c @@ -150,6 +150,7 @@ int mwifiex_send_null_packet(struct mwifiex_private *priv, u8 flags) return -1; tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->pkt_len = data_len - (sizeof(struct txpd) + INTF_HEADER_LEN); diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c index e73034f..0e88364 100644 --- a/drivers/net/wireless/mwifiex/tdls.c +++ b/drivers/net/wireless/mwifiex/tdls.c @@ -605,6 +605,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; @@ -760,6 +761,7 @@ int mwifiex_send_tdls_action_frame(struct mwifiex_private *priv, const u8 *peer, skb->priority = MWIFIEX_PRIO_VI; tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT; diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c index 37f26af..fd7e5b9 100644 --- a/drivers/net/wireless/mwifiex/txrx.c +++ b/drivers/net/wireless/mwifiex/txrx.c @@ -55,6 +55,7 @@ int mwifiex_handle_rx_packet(struct mwifiex_adapter *adapter, return -1; } + memset(rx_info, 0, sizeof(*rx_info)); rx_info->bss_num = priv->bss_num; rx_info->bss_type = priv->bss_type; diff --git a/drivers/net/wireless/mwifiex/uap_txrx.c b/drivers/net/wireless/mwifiex/uap_txrx.c index 9a56bc6..b0601b9 100644 --- a/drivers/net/wireless/mwifiex/uap_txrx.c +++ b/drivers/net/wireless/mwifiex/uap_txrx.c @@ -175,6 +175,7 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv, } tx_info = MWIFIEX_SKB_TXCB(skb); + memset(tx_info, 0, sizeof(*tx_info)); tx_info->bss_num = priv->bss_num; tx_info->bss_type = priv->bss_type; tx_info->flags |= MWIFIEX_BUF_FLAG_BRIDGED_PKT; diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index e11dab2..832006b 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -231,9 +231,12 @@ static enum hrtimer_restart rt2800usb_tx_sta_fifo_timeout(struct hrtimer *timer) */ static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev) { - __le32 reg; + __le32 *reg; u32 fw_mode; + reg = kmalloc(sizeof(*reg), GFP_KERNEL); + if (reg == NULL) + return -ENOMEM; /* cannot use rt2x00usb_register_read here as it uses different * mode (MULTI_READ vs. DEVICE_MODE) and does not pass the * magic value USB_MODE_AUTORUN (0x11) to the device, thus the @@ -241,8 +244,9 @@ static int rt2800usb_autorun_detect(struct rt2x00_dev *rt2x00dev) */ rt2x00usb_vendor_request(rt2x00dev, USB_DEVICE_MODE, USB_VENDOR_REQUEST_IN, 0, USB_MODE_AUTORUN, - ®, sizeof(reg), REGISTER_TIMEOUT_FIRMWARE); - fw_mode = le32_to_cpu(reg); + reg, sizeof(*reg), REGISTER_TIMEOUT_FIRMWARE); + fw_mode = le32_to_cpu(*reg); + kfree(reg); if ((fw_mode & 0x00000003) == 2) return 1; @@ -261,6 +265,7 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, int status; u32 offset; u32 length; + int retval; /* * Check which section of the firmware we need. @@ -278,7 +283,10 @@ static int rt2800usb_write_firmware(struct rt2x00_dev *rt2x00dev, /* * Write firmware to device. */ - if (rt2800usb_autorun_detect(rt2x00dev)) { + retval = rt2800usb_autorun_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) { rt2x00_info(rt2x00dev, "Firmware loading not required - NIC in AutoRun mode\n"); } else { @@ -763,7 +771,12 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, */ static int rt2800usb_efuse_detect(struct rt2x00_dev *rt2x00dev) { - if (rt2800usb_autorun_detect(rt2x00dev)) + int retval; + + retval = rt2800usb_autorun_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) return 1; return rt2800_efuse_detect(rt2x00dev); } @@ -772,7 +785,10 @@ static int rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev) { int retval; - if (rt2800usb_efuse_detect(rt2x00dev)) + retval = rt2800usb_efuse_detect(rt2x00dev); + if (retval < 0) + return retval; + if (retval) retval = rt2800_read_eeprom_efuse(rt2x00dev); else retval = rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 2ccb4a0..055222b 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1439,16 +1439,11 @@ static void xennet_disconnect_backend(struct netfront_info *info) unsigned int i = 0; unsigned int num_queues = info->netdev->real_num_tx_queues; + netif_carrier_off(info->netdev); + for (i = 0; i < num_queues; ++i) { struct netfront_queue *queue = &info->queues[i]; - /* Stop old i/f to prevent errors whilst we rebuild the state. */ - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); - netif_carrier_off(queue->info->netdev); - spin_unlock_irq(&queue->tx_lock); - spin_unlock_bh(&queue->rx_lock); - if (queue->tx_irq && (queue->tx_irq == queue->rx_irq)) unbind_from_irqhandler(queue->tx_irq, queue); if (queue->tx_irq && (queue->tx_irq != queue->rx_irq)) { @@ -1458,6 +1453,8 @@ static void xennet_disconnect_backend(struct netfront_info *info) queue->tx_evtchn = queue->rx_evtchn = 0; queue->tx_irq = queue->rx_irq = 0; + napi_synchronize(&queue->napi); + /* End access and free the pages */ xennet_end_access(queue->tx_ring_ref, queue->tx.sring); xennet_end_access(queue->rx_ring_ref, queue->rx.sring); @@ -2046,13 +2043,15 @@ static int xennet_connect(struct net_device *dev) /* By now, the queue structures have been set up */ for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; - spin_lock_bh(&queue->rx_lock); - spin_lock_irq(&queue->tx_lock); /* Step 1: Discard all pending TX packet fragments. */ + spin_lock_irq(&queue->tx_lock); xennet_release_tx_bufs(queue); + spin_unlock_irq(&queue->tx_lock); /* Step 2: Rebuild the RX buffer freelist and the RX ring itself. */ + spin_lock_bh(&queue->rx_lock); + for (requeue_idx = 0, i = 0; i < NET_RX_RING_SIZE; i++) { skb_frag_t *frag; const struct page *page; @@ -2076,6 +2075,8 @@ static int xennet_connect(struct net_device *dev) } queue->rx.req_prod_pvt = requeue_idx; + + spin_unlock_bh(&queue->rx_lock); } /* @@ -2087,13 +2088,17 @@ static int xennet_connect(struct net_device *dev) netif_carrier_on(np->netdev); for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; + notify_remote_via_irq(queue->tx_irq); if (queue->tx_irq != queue->rx_irq) notify_remote_via_irq(queue->rx_irq); - xennet_tx_buf_gc(queue); - xennet_alloc_rx_buffers(queue); + spin_lock_irq(&queue->tx_lock); + xennet_tx_buf_gc(queue); spin_unlock_irq(&queue->tx_lock); + + spin_lock_bh(&queue->rx_lock); + xennet_alloc_rx_buffers(queue); spin_unlock_bh(&queue->rx_lock); } diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index c4cddf0..b777d8f 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -880,6 +880,21 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) const u64 phys_offset = __pa(PAGE_OFFSET); base &= PAGE_MASK; size &= PAGE_MASK; + + if (sizeof(phys_addr_t) < sizeof(u64)) { + if (base > ULONG_MAX) { + pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", + base, base + size); + return; + } + + if (base + size > ULONG_MAX) { + pr_warning("Ignoring memory range 0x%lx - 0x%llx\n", + ULONG_MAX, base + size); + size = ULONG_MAX - base; + } + } + if (base + size < phys_offset) { pr_warning("Ignoring memory block 0x%llx - 0x%llx\n", base, base + size); diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index a3bf212..401b245 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -182,40 +182,6 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) } EXPORT_SYMBOL(of_mdiobus_register); -/** - * of_mdiobus_link_phydev - Find a device node for a phy - * @mdio: pointer to mii_bus structure - * @phydev: phydev for which the of_node pointer should be set - * - * Walk the list of subnodes of a mdio bus and look for a node that matches the - * phy's address with its 'reg' property. If found, set the of_node pointer for - * the phy. This allows auto-probed pyh devices to be supplied with information - * passed in via DT. - */ -void of_mdiobus_link_phydev(struct mii_bus *mdio, - struct phy_device *phydev) -{ - struct device *dev = &phydev->dev; - struct device_node *child; - - if (dev->of_node || !mdio->dev.of_node) - return; - - for_each_available_child_of_node(mdio->dev.of_node, child) { - int addr; - - addr = of_mdio_parse_addr(&mdio->dev, child); - if (addr < 0) - continue; - - if (addr == phydev->addr) { - dev->of_node = child; - return; - } - } -} -EXPORT_SYMBOL(of_mdiobus_link_phydev); - /* Helper function for of_phy_find_device */ static int of_phy_match(struct device *dev, void *phy_np) { diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 63a54a3..1c8592b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3135,8 +3135,13 @@ static int pci_af_flr(struct pci_dev *dev, int probe) if (probe) return 0; - /* Wait for Transaction Pending bit clean */ - if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP)) + /* + * Wait for Transaction Pending bit to clear. A word-aligned test + * is used, so we use the conrol offset rather than status and shift + * the test bit to match. + */ + if (pci_wait_for_pending(dev, pos + PCI_AF_CTRL, + PCI_AF_STATUS_TP << 8)) goto clear; dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n"); diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index 16a2f06..64b98d2 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -112,6 +112,7 @@ config PHY_EXYNOS5250_SATA config PHY_SUN4I_USB tristate "Allwinner sunxi SoC USB PHY driver" depends on ARCH_SUNXI && HAS_IOMEM && OF + depends on RESET_CONTROLLER select GENERIC_PHY help Enable this to support the transceiver that is part of Allwinner @@ -122,6 +123,7 @@ config PHY_SUN4I_USB config PHY_SAMSUNG_USB2 tristate "Samsung USB 2.0 PHY driver" + depends on HAS_IOMEM select GENERIC_PHY select MFD_SYSCON help diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index c64a2f3..49c4465 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -614,8 +614,9 @@ struct phy *phy_create(struct device *dev, const struct phy_ops *ops, return phy; put_dev: - put_device(&phy->dev); - ida_remove(&phy_ida, phy->id); + put_device(&phy->dev); /* calls phy_release() which frees resources */ + return ERR_PTR(ret); + free_phy: kfree(phy); return ERR_PTR(ret); @@ -799,7 +800,7 @@ static void phy_release(struct device *dev) phy = to_phy(dev); dev_vdbg(dev, "releasing '%s'\n", dev_name(dev)); - ida_remove(&phy_ida, phy->id); + ida_simple_remove(&phy_ida, phy->id); kfree(phy); } diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c index 7007c11..34b3961 100644 --- a/drivers/phy/phy-omap-usb2.c +++ b/drivers/phy/phy-omap-usb2.c @@ -233,8 +233,8 @@ static int omap_usb2_probe(struct platform_device *pdev) if (phy_data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); phy->phy_base = devm_ioremap_resource(&pdev->dev, res); - if (!phy->phy_base) - return -ENOMEM; + if (IS_ERR(phy->phy_base)) + return PTR_ERR(phy->phy_base); phy->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT; } @@ -262,7 +262,6 @@ static int omap_usb2_probe(struct platform_device *pdev) otg->phy = &phy->phy; platform_set_drvdata(pdev, phy); - pm_runtime_enable(phy->dev); generic_phy = devm_phy_create(phy->dev, &ops, NULL); if (IS_ERR(generic_phy)) @@ -270,10 +269,13 @@ static int omap_usb2_probe(struct platform_device *pdev) phy_set_drvdata(generic_phy, phy); + pm_runtime_enable(phy->dev); phy_provider = devm_of_phy_provider_register(phy->dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) + if (IS_ERR(phy_provider)) { + pm_runtime_disable(phy->dev); return PTR_ERR(phy_provider); + } phy->wkupclk = devm_clk_get(phy->dev, "wkupclk"); if (IS_ERR(phy->wkupclk)) { @@ -317,6 +319,7 @@ static int omap_usb2_remove(struct platform_device *pdev) if (!IS_ERR(phy->optclk)) clk_unprepare(phy->optclk); usb_remove_phy(&phy->phy); + pm_runtime_disable(phy->dev); return 0; } diff --git a/drivers/phy/phy-samsung-usb2.c b/drivers/phy/phy-samsung-usb2.c index 8a8c6bc..1e69a32 100644 --- a/drivers/phy/phy-samsung-usb2.c +++ b/drivers/phy/phy-samsung-usb2.c @@ -107,6 +107,7 @@ static const struct of_device_id samsung_usb2_phy_of_match[] = { #endif { }, }; +MODULE_DEVICE_TABLE(of, samsung_usb2_phy_of_match); static int samsung_usb2_phy_probe(struct platform_device *pdev) { diff --git a/drivers/pinctrl/berlin/berlin.c b/drivers/pinctrl/berlin/berlin.c index edf5d2f..86db223 100644 --- a/drivers/pinctrl/berlin/berlin.c +++ b/drivers/pinctrl/berlin/berlin.c @@ -320,7 +320,7 @@ int berlin_pinctrl_probe(struct platform_device *pdev, regmap = dev_get_regmap(&pdev->dev, NULL); if (!regmap) - return PTR_ERR(regmap); + return -ENODEV; pctrl = devm_kzalloc(dev, sizeof(*pctrl), GFP_KERNEL); if (!pctrl) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index f1ca75e..5f38c7f 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -211,6 +211,10 @@ static int sunxi_pctrl_dt_node_to_map(struct pinctrl_dev *pctldev, configlen++; pinconfig = kzalloc(configlen * sizeof(*pinconfig), GFP_KERNEL); + if (!pinconfig) { + kfree(*map); + return -ENOMEM; + } if (!of_property_read_u32(node, "allwinner,drive", &val)) { u16 strength = (val + 1) * 10; diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 5543490..56467df 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -4198,6 +4198,8 @@ static int hba_setup_cid_tbls(struct beiscsi_hba *phba) kfree(phba->ep_array); phba->ep_array = NULL; ret = -ENOMEM; + + goto free_memory; } for (i = 0; i < phba->params.cxns_per_ctrl; i++) { diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c index 6045aa7..07934b0 100644 --- a/drivers/scsi/be2iscsi/be_mgmt.c +++ b/drivers/scsi/be2iscsi/be_mgmt.c @@ -1008,10 +1008,8 @@ int mgmt_set_ip(struct beiscsi_hba *phba, BE2_IPV6 : BE2_IPV4 ; rc = mgmt_get_if_info(phba, ip_type, &if_info); - if (rc) { - kfree(if_info); + if (rc) return rc; - } if (boot_proto == ISCSI_BOOTPROTO_DHCP) { if (if_info->dhcp_state) { diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index f548430..785d0d7 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -516,23 +516,17 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) skb_pull(skb, sizeof(struct fcoe_hdr)); fr_len = skb->len - sizeof(struct fcoe_crc_eof); - stats = per_cpu_ptr(lport->stats, get_cpu()); - stats->RxFrames++; - stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; - fp = (struct fc_frame *)skb; fc_frame_init(fp); fr_dev(fp) = lport; fr_sof(fp) = hp->fcoe_sof; if (skb_copy_bits(skb, fr_len, &crc_eof, sizeof(crc_eof))) { - put_cpu(); kfree_skb(skb); return; } fr_eof(fp) = crc_eof.fcoe_eof; fr_crc(fp) = crc_eof.fcoe_crc32; if (pskb_trim(skb, fr_len)) { - put_cpu(); kfree_skb(skb); return; } @@ -544,7 +538,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) port = lport_priv(vn_port); if (!ether_addr_equal(port->data_src_addr, dest_mac)) { BNX2FC_HBA_DBG(lport, "fpma mismatch\n"); - put_cpu(); kfree_skb(skb); return; } @@ -552,7 +545,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) if (fh->fh_r_ctl == FC_RCTL_DD_SOL_DATA && fh->fh_type == FC_TYPE_FCP) { /* Drop FCP data. We dont this in L2 path */ - put_cpu(); kfree_skb(skb); return; } @@ -562,7 +554,6 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) case ELS_LOGO: if (ntoh24(fh->fh_s_id) == FC_FID_FLOGI) { /* drop non-FIP LOGO */ - put_cpu(); kfree_skb(skb); return; } @@ -572,22 +563,23 @@ static void bnx2fc_recv_frame(struct sk_buff *skb) if (fh->fh_r_ctl == FC_RCTL_BA_ABTS) { /* Drop incoming ABTS */ - put_cpu(); kfree_skb(skb); return; } + stats = per_cpu_ptr(lport->stats, smp_processor_id()); + stats->RxFrames++; + stats->RxWords += fr_len / FCOE_WORD_TO_BYTE; + if (le32_to_cpu(fr_crc(fp)) != ~crc32(~0, skb->data, fr_len)) { if (stats->InvalidCRCCount < 5) printk(KERN_WARNING PFX "dropping frame with " "CRC error\n"); stats->InvalidCRCCount++; - put_cpu(); kfree_skb(skb); return; } - put_cpu(); fc_exch_recv(lport, fp); } diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 32a5e0a..7bc47fc 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -282,6 +282,8 @@ struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba) arr_sz, GFP_KERNEL); if (!cmgr->free_list_lock) { printk(KERN_ERR PFX "failed to alloc free_list_lock\n"); + kfree(cmgr->free_list); + cmgr->free_list = NULL; goto mem_err; } diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 2ebfb2b..7b23f21 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -185,6 +185,11 @@ static struct viosrp_crq *crq_queue_next_crq(struct crq_queue *queue) if (crq->valid & 0x80) { if (++queue->cur == queue->size) queue->cur = 0; + + /* Ensure the read of the valid bit occurs before reading any + * other bits of the CRQ entry + */ + rmb(); } else crq = NULL; spin_unlock_irqrestore(&queue->lock, flags); @@ -203,6 +208,11 @@ static int ibmvscsi_send_crq(struct ibmvscsi_host_data *hostdata, { struct vio_dev *vdev = to_vio_dev(hostdata->dev); + /* + * Ensure the command buffer is flushed to memory before handing it + * over to the VIOS to prevent it from fetching any stale data. + */ + mb(); return plpar_hcall_norets(H_SEND_CRQ, vdev->unit_address, word1, word2); } @@ -797,7 +807,8 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata, int error_code) evt->hostdata->dev); if (evt->cmnd_done) evt->cmnd_done(evt->cmnd); - } else if (evt->done) + } else if (evt->done && evt->crq.format != VIOSRP_MAD_FORMAT && + evt->iu.srp.login_req.opcode != SRP_LOGIN_REQ) evt->done(evt); free_event_struct(&evt->hostdata->pool, evt); spin_lock_irqsave(hostdata->host->host_lock, flags); diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index c4f31b21..e90c89f 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -677,7 +677,7 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) * pm8001_get_phy_settings_info : Read phy setting values. * @pm8001_ha : our hba. */ -void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) +static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) { #ifdef PM8001_READ_VPD @@ -691,11 +691,15 @@ void pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) payload.offset = 0; payload.length = 4096; payload.func_specific = kzalloc(4096, GFP_KERNEL); + if (!payload.func_specific) + return -ENOMEM; /* Read phy setting values from flash */ PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); wait_for_completion(&completion); pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); + kfree(payload.func_specific); #endif + return 0; } #ifdef PM8001_USE_MSIX @@ -879,8 +883,11 @@ static int pm8001_pci_probe(struct pci_dev *pdev, pm8001_init_sas_add(pm8001_ha); /* phy setting support for motherboard controller */ if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 && - pdev->subsystem_vendor != 0) - pm8001_get_phy_settings_info(pm8001_ha); + pdev->subsystem_vendor != 0) { + rc = pm8001_get_phy_settings_info(pm8001_ha); + if (rc) + goto err_out_shost; + } pm8001_post_sas_ha_init(shost, chip); rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); if (rc) diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 4b188b0..e632e14 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1128,7 +1128,7 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha, ctio->u.status1.flags = __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_TERMINATE); - ctio->u.status1.ox_id = entry->fcp_hdr_le.ox_id; + ctio->u.status1.ox_id = cpu_to_le16(entry->fcp_hdr_le.ox_id); qla2x00_start_iocbs(vha, vha->req); @@ -1262,6 +1262,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha, { struct atio_from_isp *atio = &mcmd->orig_iocb.atio; struct ctio7_to_24xx *ctio; + uint16_t temp; ql_dbg(ql_dbg_tgt, ha, 0xe008, "Sending task mgmt CTIO7 (ha=%p, atio=%p, resp_code=%x\n", @@ -1292,7 +1293,8 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha, ctio->u.status1.flags = (atio->u.isp24.attr << 9) | __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_SEND_STATUS); - ctio->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id); + temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id); + ctio->u.status1.ox_id = cpu_to_le16(temp); ctio->u.status1.scsi_status = __constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID); ctio->u.status1.response_len = __constant_cpu_to_le16(8); @@ -1513,6 +1515,7 @@ static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm, struct ctio7_to_24xx *pkt; struct qla_hw_data *ha = vha->hw; struct atio_from_isp *atio = &prm->cmd->atio; + uint16_t temp; pkt = (struct ctio7_to_24xx *)vha->req->ring_ptr; prm->pkt = pkt; @@ -1541,13 +1544,13 @@ static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm, pkt->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0]; pkt->exchange_addr = atio->u.isp24.exchange_addr; pkt->u.status0.flags |= (atio->u.isp24.attr << 9); - pkt->u.status0.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id); + temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id); + pkt->u.status0.ox_id = cpu_to_le16(temp); pkt->u.status0.relative_offset = cpu_to_le32(prm->cmd->offset); ql_dbg(ql_dbg_tgt, vha, 0xe00c, "qla_target(%d): handle(cmd) -> %08x, timeout %d, ox_id %#x\n", - vha->vp_idx, pkt->handle, QLA_TGT_TIMEOUT, - le16_to_cpu(pkt->u.status0.ox_id)); + vha->vp_idx, pkt->handle, QLA_TGT_TIMEOUT, temp); return 0; } @@ -2619,6 +2622,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, struct qla_hw_data *ha = vha->hw; request_t *pkt; int ret = 0; + uint16_t temp; ql_dbg(ql_dbg_tgt, vha, 0xe01c, "Sending TERM EXCH CTIO (ha=%p)\n", ha); @@ -2655,7 +2659,8 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha, ctio24->u.status1.flags = (atio->u.isp24.attr << 9) | __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_TERMINATE); - ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id); + temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id); + ctio24->u.status1.ox_id = cpu_to_le16(temp); /* Most likely, it isn't needed */ ctio24->u.status1.residual = get_unaligned((uint32_t *) diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index e0a58fd..d1d24fb 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -443,7 +443,7 @@ struct ctio7_to_24xx { uint16_t reserved1; __le16 flags; uint32_t residual; - uint16_t ox_id; + __le16 ox_id; uint16_t scsi_status; uint32_t relative_offset; uint32_t reserved2; @@ -458,7 +458,7 @@ struct ctio7_to_24xx { uint16_t sense_length; uint16_t flags; uint32_t residual; - uint16_t ox_id; + __le16 ox_id; uint16_t scsi_status; uint16_t response_len; uint16_t reserved; diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index cbe38e5..7e95791 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -131,7 +131,7 @@ scmd_eh_abort_handler(struct work_struct *work) "aborting command %p\n", scmd)); rtn = scsi_try_to_abort_cmd(sdev->host->hostt, scmd); if (rtn == SUCCESS) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); if (scsi_host_eh_past_deadline(sdev->host)) { SCSI_LOG_ERROR_RECOVERY(3, scmd_printk(KERN_INFO, scmd, @@ -167,7 +167,7 @@ scmd_eh_abort_handler(struct work_struct *work) scmd_printk(KERN_WARNING, scmd, "scmd %p terminate " "aborted command\n", scmd)); - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); scsi_finish_command(scmd); } } @@ -287,15 +287,15 @@ enum blk_eh_timer_return scsi_times_out(struct request *req) else if (host->hostt->eh_timed_out) rtn = host->hostt->eh_timed_out(scmd); - if (rtn == BLK_EH_NOT_HANDLED && !host->hostt->no_async_abort) - if (scsi_abort_command(scmd) == SUCCESS) + if (rtn == BLK_EH_NOT_HANDLED) { + if (!host->hostt->no_async_abort && + scsi_abort_command(scmd) == SUCCESS) return BLK_EH_NOT_HANDLED; - scmd->result |= DID_TIME_OUT << 16; - - if (unlikely(rtn == BLK_EH_NOT_HANDLED && - !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) - rtn = BLK_EH_HANDLED; + set_host_byte(scmd, DID_TIME_OUT); + if (!scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD)) + rtn = BLK_EH_HANDLED; + } return rtn; } @@ -1777,7 +1777,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) break; case DID_ABORT: if (scmd->eh_eflags & SCSI_EH_ABORT_SCHEDULED) { - scmd->result |= DID_TIME_OUT << 16; + set_host_byte(scmd, DID_TIME_OUT); return SUCCESS; } case DID_NO_CONNECT: diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index f80908f..521f583 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -2549,6 +2549,7 @@ fc_rport_final_delete(struct work_struct *work) fc_flush_devloss(shost); if (!cancel_delayed_work(&rport->dev_loss_work)) fc_flush_devloss(shost); + cancel_work_sync(&rport->scan_work); spin_lock_irqsave(shost->host_lock, flags); rport->flags &= ~FC_RPORT_DEVLOSS_PENDING; } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e9689d5..6825eda 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2441,7 +2441,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer) } sdkp->DPOFUA = (data.device_specific & 0x10) != 0; - if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) { + if (sdp->broken_fua) { + sd_first_printk(KERN_NOTICE, sdkp, "Disabling FUA\n"); + sdkp->DPOFUA = 0; + } else if (sdkp->DPOFUA && !sdkp->device->use_10_for_rw) { sd_first_printk(KERN_NOTICE, sdkp, "Uses READ/WRITE(6), disabling FUA\n"); sdkp->DPOFUA = 0; diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 89ee592..308256b 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -237,6 +237,16 @@ static void virtscsi_req_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, req_vq, virtscsi_complete_cmd); }; +static void virtscsi_poll_requests(struct virtio_scsi *vscsi) +{ + int i, num_vqs; + + num_vqs = vscsi->num_queues; + for (i = 0; i < num_vqs; i++) + virtscsi_vq_done(vscsi, &vscsi->req_vqs[i], + virtscsi_complete_cmd); +} + static void virtscsi_complete_free(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_cmd *cmd = buf; @@ -253,6 +263,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free); }; +static void virtscsi_handle_event(struct work_struct *work); + static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct virtio_scsi_event_node *event_node) { @@ -260,6 +272,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct scatterlist sg; unsigned long flags; + INIT_WORK(&event_node->work, virtscsi_handle_event); sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); @@ -377,7 +390,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; - INIT_WORK(&event_node->work, virtscsi_handle_event); schedule_work(&event_node->work); } @@ -589,6 +601,18 @@ static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd) cmd->resp.tmf.response == VIRTIO_SCSI_S_FUNCTION_SUCCEEDED) ret = SUCCESS; + /* + * The spec guarantees that all requests related to the TMF have + * been completed, but the callback might not have run yet if + * we're using independent interrupts (e.g. MSI). Poll the + * virtqueues once. + * + * In the abort case, sc->scsi_done will do nothing, because + * the block layer must have detected a timeout and as a result + * REQ_ATOM_COMPLETE has been set. + */ + virtscsi_poll_requests(vscsi); + out: mempool_free(cmd, virtscsi_cmd_pool); return ret; diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c index 357cef2..7194bd1 100644 --- a/drivers/staging/iio/adc/ad7291.c +++ b/drivers/staging/iio/adc/ad7291.c @@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client, struct ad7291_platform_data *pdata = client->dev.platform_data; struct ad7291_chip_info *chip; struct iio_dev *indio_dev; - int ret = 0; + int ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip)); if (!indio_dev) @@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client, if (pdata && pdata->use_external_ref) { chip->reg = devm_regulator_get(&client->dev, "vref"); if (IS_ERR(chip->reg)) - return ret; + return PTR_ERR(chip->reg); ret = regulator_enable(chip->reg); if (ret) diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index 8945b4e..cb50120 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -280,8 +280,10 @@ static int bridge_brd_monitor(struct bridge_dev_context *dev_ctxt) OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); /* Wait until the state has moved to ON */ - while (*pdata->dsp_prm_read(OMAP3430_IVA2_MOD, OMAP2_PM_PWSTST)& - OMAP_INTRANSITION_MASK); + while ((*pdata->dsp_prm_read)(OMAP3430_IVA2_MOD, + OMAP2_PM_PWSTST) & + OMAP_INTRANSITION_MASK) + ; /* Disable Automatic transition */ (*pdata->dsp_cm_write)(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index a99c631..2c516f2 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -306,7 +306,7 @@ static int imx_get_sensor_data(struct platform_device *pdev) { struct imx_thermal_data *data = platform_get_drvdata(pdev); struct regmap *map; - int t1, t2, n1, n2; + int t1, n1; int ret; u32 val; u64 temp64; @@ -333,14 +333,10 @@ static int imx_get_sensor_data(struct platform_device *pdev) /* * Sensor data layout: * [31:20] - sensor value @ 25C - * [19:8] - sensor value of hot - * [7:0] - hot temperature value * Use universal formula now and only need sensor value @ 25C * slope = 0.4297157 - (0.0015976 * 25C fuse) */ n1 = val >> 20; - n2 = (val & 0xfff00) >> 8; - t2 = val & 0xff; t1 = 25; /* t1 always 25C */ /* @@ -366,16 +362,16 @@ static int imx_get_sensor_data(struct platform_device *pdev) data->c2 = n1 * data->c1 + 1000 * t1; /* - * Set the default passive cooling trip point to 20 °C below the - * maximum die temperature. Can be changed from userspace. + * Set the default passive cooling trip point, + * can be changed from userspace. */ - data->temp_passive = 1000 * (t2 - 20); + data->temp_passive = IMX_TEMP_PASSIVE; /* - * The maximum die temperature is t2, let's give 5 °C cushion - * for noise and possible temperature rise between measurements. + * The maximum die temperature set to 20 C higher than + * IMX_TEMP_PASSIVE. */ - data->temp_critical = 1000 * (t2 - 5); + data->temp_critical = 1000 * 20 + data->temp_passive; return 0; } diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 04b1be7..4b2b999 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -156,8 +156,8 @@ static int of_thermal_bind(struct thermal_zone_device *thermal, ret = thermal_zone_bind_cooling_device(thermal, tbp->trip_id, cdev, - tbp->min, - tbp->max); + tbp->max, + tbp->min); if (ret) return ret; } @@ -712,11 +712,12 @@ thermal_of_build_thermal_zone(struct device_node *np) } i = 0; - for_each_child_of_node(child, gchild) + for_each_child_of_node(child, gchild) { ret = thermal_of_populate_bind_params(gchild, &tz->tbps[i++], tz->trips, tz->ntrips); if (ret) goto free_tbps; + } finish: of_node_put(child); diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index fdb0719..1967bee 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -140,6 +140,12 @@ thermal_hwmon_lookup_temp(const struct thermal_hwmon_device *hwmon, return NULL; } +static bool thermal_zone_crit_temp_valid(struct thermal_zone_device *tz) +{ + unsigned long temp; + return tz->ops->get_crit_temp && !tz->ops->get_crit_temp(tz, &temp); +} + int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) { struct thermal_hwmon_device *hwmon; @@ -189,21 +195,18 @@ int thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) if (result) goto free_temp_mem; - if (tz->ops->get_crit_temp) { - unsigned long temperature; - if (!tz->ops->get_crit_temp(tz, &temperature)) { - snprintf(temp->temp_crit.name, - sizeof(temp->temp_crit.name), + if (thermal_zone_crit_temp_valid(tz)) { + snprintf(temp->temp_crit.name, + sizeof(temp->temp_crit.name), "temp%d_crit", hwmon->count); - temp->temp_crit.attr.attr.name = temp->temp_crit.name; - temp->temp_crit.attr.attr.mode = 0444; - temp->temp_crit.attr.show = temp_crit_show; - sysfs_attr_init(&temp->temp_crit.attr.attr); - result = device_create_file(hwmon->device, - &temp->temp_crit.attr); - if (result) - goto unregister_input; - } + temp->temp_crit.attr.attr.name = temp->temp_crit.name; + temp->temp_crit.attr.attr.mode = 0444; + temp->temp_crit.attr.show = temp_crit_show; + sysfs_attr_init(&temp->temp_crit.attr.attr); + result = device_create_file(hwmon->device, + &temp->temp_crit.attr); + if (result) + goto unregister_input; } mutex_lock(&thermal_hwmon_list_lock); @@ -250,7 +253,7 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz) } device_remove_file(hwmon->device, &temp->temp_input.attr); - if (tz->ops->get_crit_temp) + if (thermal_zone_crit_temp_valid(tz)) device_remove_file(hwmon->device, &temp->temp_crit.attr); mutex_lock(&thermal_hwmon_list_lock); diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index a1271b5..634b6ce 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -1155,7 +1155,7 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev) /* register shadow for context save and restore */ bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) * bgp->conf->sensor_count, GFP_KERNEL); - if (!bgp) { + if (!bgp->regval) { dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n"); return ERR_PTR(-ENOMEM); } diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index c9f5c9d..008c223 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -177,7 +177,7 @@ static void arc_serial_tx_chars(struct arc_uart_port *uart) uart->port.icount.tx++; uart->port.x_char = 0; sent = 1; - } else if (xmit->tail != xmit->head) { /* TODO: uart_circ_empty */ + } else if (!uart_circ_empty(xmit)) { ch = xmit->buf[xmit->tail]; xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); uart->port.icount.tx++; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index e2f9387..044e86d 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -567,6 +567,9 @@ static void imx_start_tx(struct uart_port *port) struct imx_port *sport = (struct imx_port *)port; unsigned long temp; + if (uart_circ_empty(&port->state->xmit)) + return; + if (USE_IRDA(sport)) { /* half duplex in IrDA mode; have to disable receive mode */ temp = readl(sport->port.membase + UCR4); diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 1efd4c3..99b7b86 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -603,6 +603,8 @@ static void ip22zilog_start_tx(struct uart_port *port) } else { struct circ_buf *xmit = &port->state->xmit; + if (uart_circ_empty(xmit)) + return; writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); ZS_WSYNC(channel); diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c index 68f2c53..5702828 100644 --- a/drivers/tty/serial/m32r_sio.c +++ b/drivers/tty/serial/m32r_sio.c @@ -266,9 +266,11 @@ static void m32r_sio_start_tx(struct uart_port *port) if (!(up->ier & UART_IER_THRI)) { up->ier |= UART_IER_THRI; serial_out(up, UART_IER, up->ier); - serial_out(up, UART_TX, xmit->buf[xmit->tail]); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - up->port.icount.tx++; + if (!uart_circ_empty(xmit)) { + serial_out(up, UART_TX, xmit->buf[xmit->tail]); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + up->port.icount.tx++; + } } while((serial_in(up, UART_LSR) & UART_EMPTY) != UART_EMPTY); #else diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index 8193635..f7ad5b9 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -653,6 +653,8 @@ static void pmz_start_tx(struct uart_port *port) } else { struct circ_buf *xmit = &port->state->xmit; + if (uart_circ_empty(xmit)) + goto out; write_zsdata(uap, xmit->buf[xmit->tail]); zssync(uap); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); @@ -661,6 +663,7 @@ static void pmz_start_tx(struct uart_port *port) if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) uart_write_wakeup(&uap->port); } + out: pmz_debug("pmz: start_tx() done.\n"); } diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index 80a58ec..2f57df9 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -427,6 +427,9 @@ static void sunsab_start_tx(struct uart_port *port) struct circ_buf *xmit = &up->port.state->xmit; int i; + if (uart_circ_empty(xmit)) + return; + up->interrupt_mask1 &= ~(SAB82532_IMR1_ALLS|SAB82532_IMR1_XPR); writeb(up->interrupt_mask1, &up->regs->w.imr1); diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index a85db8b..02df394 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -703,6 +703,8 @@ static void sunzilog_start_tx(struct uart_port *port) } else { struct circ_buf *xmit = &port->state->xmit; + if (uart_circ_empty(xmit)) + return; writeb(xmit->buf[xmit->tail], &channel->data); ZSDELAY(); ZS_WSYNC(channel); diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 69425b3..9d2b673 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1321,6 +1321,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep); struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req); unsigned long flags; + struct td_node *node, *tmpnode; if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY || hwep->ep.desc == NULL || list_empty(&hwreq->queue) || @@ -1331,6 +1332,12 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) hw_ep_flush(hwep->ci, hwep->num, hwep->dir); + list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) { + dma_pool_free(hwep->td_pool, node->ptr, node->dma); + list_del(&node->td); + kfree(node); + } + /* pop request */ list_del_init(&hwreq->queue); diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 8eb996e..261c3b4 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -45,6 +45,7 @@ comment "Platform Glue Driver Support" config USB_DWC3_OMAP tristate "Texas Instruments OMAP5 and similar Platforms" depends on EXTCON && (ARCH_OMAP2PLUS || COMPILE_TEST) + depends on OF default USB_DWC3 help Some platforms from Texas Instruments like OMAP5, DRA7xxx and diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 4af4c35..07a736a 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -322,7 +322,7 @@ static int dwc3_omap_remove_core(struct device *dev, void *c) { struct platform_device *pdev = to_platform_device(dev); - platform_device_unregister(pdev); + of_device_unregister(pdev); return 0; } @@ -599,7 +599,7 @@ static int dwc3_omap_prepare(struct device *dev) { struct dwc3_omap *omap = dev_get_drvdata(dev); - dwc3_omap_disable_irqs(omap); + dwc3_omap_write_irqmisc_set(omap, 0x00); return 0; } @@ -607,8 +607,19 @@ static int dwc3_omap_prepare(struct device *dev) static void dwc3_omap_complete(struct device *dev) { struct dwc3_omap *omap = dev_get_drvdata(dev); + u32 reg; - dwc3_omap_enable_irqs(omap); + reg = (USBOTGSS_IRQMISC_OEVT | + USBOTGSS_IRQMISC_DRVVBUS_RISE | + USBOTGSS_IRQMISC_CHRGVBUS_RISE | + USBOTGSS_IRQMISC_DISCHRGVBUS_RISE | + USBOTGSS_IRQMISC_IDPULLUP_RISE | + USBOTGSS_IRQMISC_DRVVBUS_FALL | + USBOTGSS_IRQMISC_CHRGVBUS_FALL | + USBOTGSS_IRQMISC_DISCHRGVBUS_FALL | + USBOTGSS_IRQMISC_IDPULLUP_FALL); + + dwc3_omap_write_irqmisc_set(omap, reg); } static int dwc3_omap_suspend(struct device *dev) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 9d64dd0..dab7927 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -828,10 +828,6 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, length, last ? " last" : "", chain ? " chain" : ""); - /* Skip the LINK-TRB on ISOC */ - if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) && - usb_endpoint_xfer_isoc(dep->endpoint.desc)) - dep->free_slot++; trb = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; @@ -843,6 +839,10 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep, } dep->free_slot++; + /* Skip the LINK-TRB on ISOC */ + if (((dep->free_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) && + usb_endpoint_xfer_isoc(dep->endpoint.desc)) + dep->free_slot++; trb->size = DWC3_TRB_SIZE_LENGTH(length); trb->bpl = lower_32_bits(dma); diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c index 2ddcd63..9714214 100644 --- a/drivers/usb/gadget/configfs.c +++ b/drivers/usb/gadget/configfs.c @@ -1145,15 +1145,15 @@ static struct configfs_item_operations interf_item_ops = { .store_attribute = usb_os_desc_attr_store, }; -static ssize_t rndis_grp_compatible_id_show(struct usb_os_desc *desc, - char *page) +static ssize_t interf_grp_compatible_id_show(struct usb_os_desc *desc, + char *page) { memcpy(page, desc->ext_compat_id, 8); return 8; } -static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc, - const char *page, size_t len) +static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc, + const char *page, size_t len) { int l; @@ -1171,20 +1171,20 @@ static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc, return len; } -static struct usb_os_desc_attribute rndis_grp_attr_compatible_id = +static struct usb_os_desc_attribute interf_grp_attr_compatible_id = __CONFIGFS_ATTR(compatible_id, S_IRUGO | S_IWUSR, - rndis_grp_compatible_id_show, - rndis_grp_compatible_id_store); + interf_grp_compatible_id_show, + interf_grp_compatible_id_store); -static ssize_t rndis_grp_sub_compatible_id_show(struct usb_os_desc *desc, - char *page) +static ssize_t interf_grp_sub_compatible_id_show(struct usb_os_desc *desc, + char *page) { memcpy(page, desc->ext_compat_id + 8, 8); return 8; } -static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc, - const char *page, size_t len) +static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc, + const char *page, size_t len) { int l; @@ -1202,20 +1202,21 @@ static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc, return len; } -static struct usb_os_desc_attribute rndis_grp_attr_sub_compatible_id = +static struct usb_os_desc_attribute interf_grp_attr_sub_compatible_id = __CONFIGFS_ATTR(sub_compatible_id, S_IRUGO | S_IWUSR, - rndis_grp_sub_compatible_id_show, - rndis_grp_sub_compatible_id_store); + interf_grp_sub_compatible_id_show, + interf_grp_sub_compatible_id_store); static struct configfs_attribute *interf_grp_attrs[] = { - &rndis_grp_attr_compatible_id.attr, - &rndis_grp_attr_sub_compatible_id.attr, + &interf_grp_attr_compatible_id.attr, + &interf_grp_attr_sub_compatible_id.attr, NULL }; int usb_os_desc_prepare_interf_dir(struct config_group *parent, int n_interf, struct usb_os_desc **desc, + char **names, struct module *owner) { struct config_group **f_default_groups, *os_desc_group, @@ -1257,8 +1258,8 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent, d = desc[n_interf]; d->owner = owner; config_group_init_type_name(&d->group, "", interface_type); - config_item_set_name(&d->group.cg_item, "interface.%d", - n_interf); + config_item_set_name(&d->group.cg_item, "interface.%s", + names[n_interf]); interface_groups[n_interf] = &d->group; } diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h index a14ac79..36c468c 100644 --- a/drivers/usb/gadget/configfs.h +++ b/drivers/usb/gadget/configfs.h @@ -8,6 +8,7 @@ void unregister_gadget_item(struct config_item *item); int usb_os_desc_prepare_interf_dir(struct config_group *parent, int n_interf, struct usb_os_desc **desc, + char **names, struct module *owner); static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item) diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 74202d6..8598c27 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1483,11 +1483,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev) ffs->ep0req->context = ffs; lang = ffs->stringtabs; - for (lang = ffs->stringtabs; *lang; ++lang) { - struct usb_string *str = (*lang)->strings; - int id = first_id; - for (; str->s; ++id, ++str) - str->id = id; + if (lang) { + for (; *lang; ++lang) { + struct usb_string *str = (*lang)->strings; + int id = first_id; + for (; str->s; ++id, ++str) + str->id = id; + } } ffs->gadget = cdev->gadget; diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c index eed3ad8..9c41e95 100644 --- a/drivers/usb/gadget/f_rndis.c +++ b/drivers/usb/gadget/f_rndis.c @@ -687,7 +687,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) f->os_desc_table = kzalloc(sizeof(*f->os_desc_table), GFP_KERNEL); if (!f->os_desc_table) - return PTR_ERR(f->os_desc_table); + return -ENOMEM; f->os_desc_n = 1; f->os_desc_table[0].os_desc = &rndis_opts->rndis_os_desc; } @@ -905,6 +905,7 @@ static struct usb_function_instance *rndis_alloc_inst(void) { struct f_rndis_opts *opts; struct usb_os_desc *descs[1]; + char *names[1]; opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) @@ -922,8 +923,9 @@ static struct usb_function_instance *rndis_alloc_inst(void) INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop); descs[0] = &opts->rndis_os_desc; + names[0] = "rndis"; usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs, - THIS_MODULE); + names, THIS_MODULE); config_group_init_type_name(&opts->func_inst.group, "", &rndis_func_type); diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c index 99a37ed..c7004ee 100644 --- a/drivers/usb/gadget/gr_udc.c +++ b/drivers/usb/gadget/gr_udc.c @@ -1532,8 +1532,9 @@ static int gr_ep_enable(struct usb_ep *_ep, "%s mode: multiple trans./microframe not valid\n", (mode == 2 ? "Bulk" : "Control")); return -EINVAL; - } else if (nt == 0x11) { - dev_err(dev->dev, "Invalid value for trans./microframe\n"); + } else if (nt == 0x3) { + dev_err(dev->dev, + "Invalid value 0x3 for additional trans./microframe\n"); return -EINVAL; } else if ((nt + 1) * max > buffer_size) { dev_err(dev->dev, "Hw buffer size %d < max payload %d * %d\n", diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index ee6c164..2e4ce77 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1264,8 +1264,13 @@ dev_release (struct inode *inode, struct file *fd) kfree (dev->buf); dev->buf = NULL; - put_dev (dev); + /* other endpoints were all decoupled from this device */ + spin_lock_irq(&dev->lock); + dev->state = STATE_DEV_DISABLED; + spin_unlock_irq(&dev->lock); + + put_dev (dev); return 0; } diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 3d78a88..97b0277 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -1120,7 +1120,10 @@ void gether_disconnect(struct gether *link) DBG(dev, "%s\n", __func__); + netif_tx_lock(dev->net); netif_stop_queue(dev->net); + netif_tx_unlock(dev->net); + netif_carrier_off(dev->net); /* disable endpoints, forcing (synchronous) completion diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 61b7817..03314f8 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -176,7 +176,7 @@ config USB_EHCI_HCD_AT91 config USB_EHCI_MSM tristate "Support for Qualcomm QSD/MSM on-chip EHCI USB controller" - depends on ARCH_MSM + depends on ARCH_MSM || ARCH_QCOM select USB_EHCI_ROOT_HUB_TT ---help--- Enables support for the USB Host controller present on the diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 2b998c6..aa79e87 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -22,6 +22,7 @@ #include <linux/slab.h> +#include <linux/device.h> #include <asm/unaligned.h> #include "xhci.h" @@ -1139,7 +1140,9 @@ int xhci_bus_suspend(struct usb_hcd *hcd) * including the USB 3.0 roothub, but only if CONFIG_PM_RUNTIME * is enabled, so also enable remote wake here. */ - if (hcd->self.root_hub->do_remote_wakeup) { + if (hcd->self.root_hub->do_remote_wakeup + && device_may_wakeup(hcd->self.controller)) { + if (t1 & PORT_CONNECT) { t2 |= PORT_WKOC_E | PORT_WKDISC_E; t2 &= ~PORT_WKCONN_E; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d67ff71..749fc68 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1433,8 +1433,11 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_cmd_reset_ep(xhci, slot_id, cmd_trb, cmd_comp_code); break; case TRB_RESET_DEV: - WARN_ON(slot_id != TRB_TO_SLOT_ID( - le32_to_cpu(cmd_trb->generic.field[3]))); + /* SLOT_ID field in reset device cmd completion event TRB is 0. + * Use the SLOT_ID from the command TRB instead (xhci 4.6.11) + */ + slot_id = TRB_TO_SLOT_ID( + le32_to_cpu(cmd_trb->generic.field[3])); xhci_handle_cmd_reset_dev(xhci, slot_id, event); break; case TRB_NEC_GET_FW: @@ -3534,7 +3537,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci, return 0; max_burst = urb->ep->ss_ep_comp.bMaxBurst; - return roundup(total_packet_count, max_burst + 1) - 1; + return DIV_ROUND_UP(total_packet_count, max_burst + 1) - 1; } /* diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 2b8d9a2..7436d5f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -936,7 +936,7 @@ int xhci_suspend(struct xhci_hcd *xhci) */ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) { - u32 command, temp = 0; + u32 command, temp = 0, status; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; int retval = 0; @@ -1054,8 +1054,12 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) done: if (retval == 0) { - usb_hcd_resume_root_hub(hcd); - usb_hcd_resume_root_hub(xhci->shared_hcd); + /* Resume root hubs only when have pending events. */ + status = readl(&xhci->op_regs->status); + if (status & STS_EINT) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } } /* diff --git a/drivers/usb/musb/musb_am335x.c b/drivers/usb/musb/musb_am335x.c index d235378..1e58ed2 100644 --- a/drivers/usb/musb/musb_am335x.c +++ b/drivers/usb/musb/musb_am335x.c @@ -19,21 +19,6 @@ err: return ret; } -static int of_remove_populated_child(struct device *dev, void *d) -{ - struct platform_device *pdev = to_platform_device(dev); - - of_device_unregister(pdev); - return 0; -} - -static int am335x_child_remove(struct platform_device *pdev) -{ - device_for_each_child(&pdev->dev, NULL, of_remove_populated_child); - pm_runtime_disable(&pdev->dev); - return 0; -} - static const struct of_device_id am335x_child_of_match[] = { { .compatible = "ti,am33xx-usb" }, { }, @@ -42,13 +27,17 @@ MODULE_DEVICE_TABLE(of, am335x_child_of_match); static struct platform_driver am335x_child_driver = { .probe = am335x_child_probe, - .remove = am335x_child_remove, .driver = { .name = "am335x-usb-childs", .of_match_table = am335x_child_of_match, }, }; -module_platform_driver(am335x_child_driver); +static int __init am335x_child_init(void) +{ + return platform_driver_register(&am335x_child_driver); +} +module_init(am335x_child_init); + MODULE_DESCRIPTION("AM33xx child devices"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 61da471..eff3c5c 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -849,7 +849,7 @@ b_host: } /* handle babble condition */ - if (int_usb & MUSB_INTR_BABBLE) + if (int_usb & MUSB_INTR_BABBLE && is_host_active(musb)) schedule_work(&musb->recover_work); #if 0 diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 7b8bbf5..5341bb2 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -318,7 +318,7 @@ static void cppi41_dma_callback(void *private_data) } list_add_tail(&cppi41_channel->tx_check, &controller->early_tx_list); - if (!hrtimer_active(&controller->early_tx)) { + if (!hrtimer_is_queued(&controller->early_tx)) { hrtimer_start_range_ns(&controller->early_tx, ktime_set(0, 140 * NSEC_PER_USEC), 40 * NSEC_PER_USEC, diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 51beb13..09529f9 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -494,10 +494,9 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode) struct dsps_glue *glue = dev_get_drvdata(dev->parent); const struct dsps_musb_wrapper *wrp = glue->wrp; void __iomem *ctrl_base = musb->ctrl_base; - void __iomem *base = musb->mregs; u32 reg; - reg = dsps_readl(base, wrp->mode); + reg = dsps_readl(ctrl_base, wrp->mode); switch (mode) { case MUSB_HOST: @@ -510,7 +509,7 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode) */ reg |= (1 << wrp->iddig_mux); - dsps_writel(base, wrp->mode, reg); + dsps_writel(ctrl_base, wrp->mode, reg); dsps_writel(ctrl_base, wrp->phy_utmi, 0x02); break; case MUSB_PERIPHERAL: @@ -523,10 +522,10 @@ static int dsps_musb_set_mode(struct musb *musb, u8 mode) */ reg |= (1 << wrp->iddig_mux); - dsps_writel(base, wrp->mode, reg); + dsps_writel(ctrl_base, wrp->mode, reg); break; case MUSB_OTG: - dsps_writel(base, wrp->phy_utmi, 0x02); + dsps_writel(ctrl_base, wrp->phy_utmi, 0x02); break; default: dev_err(glue->dev, "unsupported mode %d\n", mode); diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index c2e45e6..f202e50 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -274,7 +274,6 @@ static int ux500_probe(struct platform_device *pdev) musb->dev.parent = &pdev->dev; musb->dev.dma_mask = &pdev->dev.coherent_dma_mask; musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask; - musb->dev.of_node = pdev->dev.of_node; glue->dev = &pdev->dev; glue->musb = musb; diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c index ced34f3..c929370 100644 --- a/drivers/usb/phy/phy-msm-usb.c +++ b/drivers/usb/phy/phy-msm-usb.c @@ -1229,7 +1229,9 @@ static void msm_otg_sm_work(struct work_struct *w) motg->chg_state = USB_CHG_STATE_UNDEFINED; motg->chg_type = USB_INVALID_CHARGER; } - pm_runtime_put_sync(otg->phy->dev); + + if (otg->phy->state == OTG_STATE_B_IDLE) + pm_runtime_put_sync(otg->phy->dev); break; case OTG_STATE_B_PERIPHERAL: dev_dbg(otg->phy->dev, "OTG_STATE_B_PERIPHERAL state\n"); diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index d49f9c3..4fd3653 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -681,6 +681,14 @@ usbhs_fifo_read_end: usbhs_pipe_number(pipe), pkt->length, pkt->actual, *is_done, pkt->zero); + /* + * Transmission end + */ + if (*is_done) { + if (usbhs_pipe_is_dcp(pipe)) + usbhs_dcp_control_transfer_done(pipe); + } + usbhs_fifo_read_busy: usbhsf_fifo_unselect(pipe, fifo); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 762e4a5..330df5c 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -153,6 +153,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */ { USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */ { USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */ + { USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */ { USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */ { USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */ { USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index edf3b12..8a3813b 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -720,7 +720,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_YEI_SERVOCENTER31_PID) }, { USB_DEVICE(FTDI_VID, FTDI_THORLABS_PID) }, - { USB_DEVICE(TESTO_VID, TESTO_USB_INTERFACE_PID) }, + { USB_DEVICE(TESTO_VID, TESTO_1_PID) }, + { USB_DEVICE(TESTO_VID, TESTO_3_PID) }, { USB_DEVICE(FTDI_VID, FTDI_GAMMA_SCOUT_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13M_PID) }, { USB_DEVICE(FTDI_VID, FTDI_TACTRIX_OPENPORT_13S_PID) }, @@ -944,6 +945,8 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_2_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_3_PID) }, { USB_DEVICE(BRAINBOXES_VID, BRAINBOXES_US_842_4_PID) }, + /* Infineon Devices */ + { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) }, { } /* Terminating entry */ }; @@ -1566,14 +1569,17 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port) struct usb_device *udev = serial->dev; struct usb_interface *interface = serial->interface; - struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc; + struct usb_endpoint_descriptor *ep_desc; unsigned num_endpoints; - int i; + unsigned i; num_endpoints = interface->cur_altsetting->desc.bNumEndpoints; dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints); + if (!num_endpoints) + return; + /* NOTE: some customers have programmed FT232R/FT245R devices * with an endpoint size of 0 - not good. In this case, we * want to override the endpoint descriptor setting and use a diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 500474c..c4777bc 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -584,6 +584,12 @@ #define RATOC_PRODUCT_ID_USB60F 0xb020 /* + * Infineon Technologies + */ +#define INFINEON_VID 0x058b +#define INFINEON_TRIBOARD_PID 0x0028 /* DAS JTAG TriBoard TC1798 V1.0 */ + +/* * Acton Research Corp. */ #define ACTON_VID 0x0647 /* Vendor ID */ @@ -798,7 +804,8 @@ * Submitted by Colin Leroy */ #define TESTO_VID 0x128D -#define TESTO_USB_INTERFACE_PID 0x0001 +#define TESTO_1_PID 0x0001 +#define TESTO_3_PID 0x0003 /* * Mobility Electronics products. diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 59c3108..a968894 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -352,6 +352,9 @@ static void option_instat_callback(struct urb *urb); /* Zoom */ #define ZOOM_PRODUCT_4597 0x9607 +/* SpeedUp SU9800 usb 3g modem */ +#define SPEEDUP_PRODUCT_SU9800 0x9800 + /* Haier products */ #define HAIER_VENDOR_ID 0x201e #define HAIER_PRODUCT_CE100 0x2009 @@ -372,8 +375,12 @@ static void option_instat_callback(struct urb *urb); /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c #define OLIVETTI_PRODUCT_OLICARD100 0xc000 +#define OLIVETTI_PRODUCT_OLICARD120 0xc001 +#define OLIVETTI_PRODUCT_OLICARD140 0xc002 #define OLIVETTI_PRODUCT_OLICARD145 0xc003 +#define OLIVETTI_PRODUCT_OLICARD155 0xc004 #define OLIVETTI_PRODUCT_OLICARD200 0xc005 +#define OLIVETTI_PRODUCT_OLICARD160 0xc00a #define OLIVETTI_PRODUCT_OLICARD500 0xc00b /* Celot products */ @@ -1480,6 +1487,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff), /* ZTE MF91 */ .driver_info = (kernel_ulong_t)&net_intf2_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */ + .driver_info = (kernel_ulong_t)&net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) }, @@ -1577,6 +1586,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), .driver_info = (kernel_ulong_t)&four_g_w14_blacklist }, + { USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, @@ -1611,15 +1621,21 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, /* HC28 enumerates with Siemens or Cinterion VID depending on FW revision */ { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, - - { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD100), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD120), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD140), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD145) }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD155), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD200), - .driver_info = (kernel_ulong_t)&net_intf6_blacklist - }, + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, + { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD160), + .driver_info = (kernel_ulong_t)&net_intf6_blacklist }, { USB_DEVICE(OLIVETTI_VENDOR_ID, OLIVETTI_PRODUCT_OLICARD500), - .driver_info = (kernel_ulong_t)&net_intf4_blacklist - }, + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CELOT_VENDOR_ID, CELOT_PRODUCT_CT680M) }, /* CT-650 CDMA 450 1xEVDO modem */ { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_GT_B3730, USB_CLASS_CDC_DATA, 0x00, 0x00) }, /* Samsung GT-B3730 LTE USB modem.*/ { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CEM600) }, diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 9d38ddc..866b5df 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -256,6 +256,10 @@ static int slave_configure(struct scsi_device *sdev) if (us->fflags & US_FL_WRITE_CACHE) sdev->wce_default_on = 1; + /* A few buggy USB-ATA bridges don't understand FUA */ + if (us->fflags & US_FL_BROKEN_FUA) + sdev->broken_fua = 1; + } else { /* Non-disk-type devices don't need to blacklist any pages diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 174a447..80a5b36 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1936,6 +1936,13 @@ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Michael Büsch <m@bues.ch> */ +UNUSUAL_DEV( 0x152d, 0x0567, 0x0114, 0x0114, + "JMicron", + "USB to ATA/ATAPI Bridge", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BROKEN_FUA ), + /* Reported by Alexandre Oliva <oliva@lsd.ic.unicamp.br> * JMicron responds to USN and several other SCSI ioctls with a * residue that causes subsequent I/O requests to fail. */ diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c index e683b6e..d36e830 100644 --- a/drivers/video/fbdev/atmel_lcdfb.c +++ b/drivers/video/fbdev/atmel_lcdfb.c @@ -1057,6 +1057,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) goto put_display_node; } + INIT_LIST_HEAD(&pdata->pwr_gpios); ret = -ENOMEM; for (i = 0; i < of_gpio_named_count(display_np, "atmel,power-control-gpio"); i++) { gpio = of_get_named_gpio_flags(display_np, "atmel,power-control-gpio", @@ -1082,6 +1083,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo) dev_err(dev, "set direction output gpio %d failed\n", gpio); goto put_display_node; } + list_add(&og->list, &pdata->pwr_gpios); } if (is_gpio_power) diff --git a/drivers/video/fbdev/bfin_adv7393fb.c b/drivers/video/fbdev/bfin_adv7393fb.c index a54f7f7..8fe41ca 100644 --- a/drivers/video/fbdev/bfin_adv7393fb.c +++ b/drivers/video/fbdev/bfin_adv7393fb.c @@ -408,7 +408,7 @@ static int bfin_adv7393_fb_probe(struct i2c_client *client, /* Workaround "PPI Does Not Start Properly In Specific Mode" */ if (ANOMALY_05000400) { ret = gpio_request_one(P_IDENT(P_PPI0_FS3), GPIOF_OUT_INIT_LOW, - "PPI0_FS3") + "PPI0_FS3"); if (ret) { dev_err(&client->dev, "PPI0_FS3 GPIO request failed\n"); ret = -EBUSY; diff --git a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c index 99af9e8..2f0822e 100644 --- a/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c +++ b/drivers/video/fbdev/omap2/dss/omapdss-boot-init.c @@ -121,9 +121,11 @@ static void __init omapdss_add_to_list(struct device_node *node, bool root) { struct dss_conv_node *n = kmalloc(sizeof(struct dss_conv_node), GFP_KERNEL); - n->node = node; - n->root = root; - list_add(&n->list, &dss_conv_list); + if (n) { + n->node = node; + n->root = root; + list_add(&n->list, &dss_conv_list); + } } static bool __init omapdss_list_contains(const struct device_node *node) diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c index a8f2b28..a1134c3 100644 --- a/drivers/video/fbdev/vt8500lcdfb.c +++ b/drivers/video/fbdev/vt8500lcdfb.c @@ -474,8 +474,6 @@ static int vt8500lcd_remove(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); release_mem_region(res->start, resource_size(res)); - kfree(fbi); - return 0; } diff --git a/firmware/Makefile b/firmware/Makefile index 5747417..0862d34 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -219,6 +219,12 @@ $(obj)/%.fw: $(obj)/%.H16 $(ihex2fw_dep) obj-y += $(patsubst %,%.gen.o, $(fw-external-y)) obj-$(CONFIG_FIRMWARE_IN_KERNEL) += $(patsubst %,%.gen.o, $(fw-shipped-y)) +ifeq ($(KBUILD_SRC),) +# Makefile.build only creates subdirectories for O= builds, but external +# firmware might live outside the kernel source tree +_dummy := $(foreach d,$(addprefix $(obj)/,$(dir $(fw-external-y))), $(shell [ -d $(d) ] || mkdir -p $(d))) +endif + # Remove .S files and binaries created from ihex # (during 'make clean' .config isn't included so they're all in $(fw-shipped-)) targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \ @@ -830,16 +830,20 @@ void exit_aio(struct mm_struct *mm) static void put_reqs_available(struct kioctx *ctx, unsigned nr) { struct kioctx_cpu *kcpu; + unsigned long flags; preempt_disable(); kcpu = this_cpu_ptr(ctx->cpu); + local_irq_save(flags); kcpu->reqs_available += nr; + while (kcpu->reqs_available >= ctx->req_batch * 2) { kcpu->reqs_available -= ctx->req_batch; atomic_add(ctx->req_batch, &ctx->reqs_available); } + local_irq_restore(flags); preempt_enable(); } @@ -847,10 +851,12 @@ static bool get_reqs_available(struct kioctx *ctx) { struct kioctx_cpu *kcpu; bool ret = false; + unsigned long flags; preempt_disable(); kcpu = this_cpu_ptr(ctx->cpu); + local_irq_save(flags); if (!kcpu->reqs_available) { int old, avail = atomic_read(&ctx->reqs_available); @@ -869,6 +875,7 @@ static bool get_reqs_available(struct kioctx *ctx) ret = true; kcpu->reqs_available--; out: + local_irq_restore(flags); preempt_enable(); return ret; } diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index d7bd395..1c55388 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -210,7 +210,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) int pipefd; struct autofs_sb_info *sbi; struct autofs_info *ino; - int pgrp; + int pgrp = 0; bool pgrp_set = false; int ret = -EINVAL; diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 92371c4..1daea0b 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -821,7 +821,7 @@ static void free_workspace(int type, struct list_head *workspace) spin_lock(workspace_lock); if (*num_workspace < num_online_cpus()) { - list_add_tail(workspace, idle_workspace); + list_add(workspace, idle_workspace); (*num_workspace)++; spin_unlock(workspace_lock); goto wake; diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 2af6e66..eea26e1 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -36,6 +36,7 @@ #include "check-integrity.h" #include "rcu-string.h" #include "dev-replace.h" +#include "sysfs.h" static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, int scrub_ret); @@ -562,6 +563,10 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, fs_info->fs_devices->latest_bdev = tgt_device->bdev; list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list); + /* replace the sysfs entry */ + btrfs_kobj_rm_device(fs_info, src_device); + btrfs_kobj_add_device(fs_info, tgt_device); + btrfs_rm_dev_replace_blocked(fs_info); btrfs_rm_dev_replace_srcdev(fs_info, src_device); diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8bb4aa1..08e65e9 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -369,7 +369,8 @@ static int verify_parent_transid(struct extent_io_tree *io_tree, out: unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1, &cached_state, GFP_NOFS); - btrfs_tree_read_unlock_blocking(eb); + if (need_lock) + btrfs_tree_read_unlock_blocking(eb); return ret; } @@ -2904,7 +2905,9 @@ retry_root_backup: if (ret) goto fail_qgroup; + mutex_lock(&fs_info->cleaner_mutex); ret = btrfs_recover_relocation(tree_root); + mutex_unlock(&fs_info->cleaner_mutex); if (ret < 0) { printk(KERN_WARNING "BTRFS: failed to recover relocation\n"); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 99c2539..813537f 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -5678,7 +5678,6 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans, struct btrfs_caching_control *next; struct btrfs_caching_control *caching_ctl; struct btrfs_block_group_cache *cache; - struct btrfs_space_info *space_info; down_write(&fs_info->commit_root_sem); @@ -5701,9 +5700,6 @@ void btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans, up_write(&fs_info->commit_root_sem); - list_for_each_entry_rcu(space_info, &fs_info->space_info, list) - percpu_counter_set(&space_info->total_bytes_pinned, 0); - update_global_block_rsv(fs_info); } @@ -5741,6 +5737,7 @@ static int unpin_extent_range(struct btrfs_root *root, u64 start, u64 end) spin_lock(&cache->lock); cache->pinned -= len; space_info->bytes_pinned -= len; + percpu_counter_add(&space_info->total_bytes_pinned, -len); if (cache->ro) { space_info->bytes_readonly += len; readonly = true; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 0d321c2..47aceb4 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -136,19 +136,22 @@ static unsigned int btrfs_flags_to_ioctl(unsigned int flags) void btrfs_update_iflags(struct inode *inode) { struct btrfs_inode *ip = BTRFS_I(inode); - - inode->i_flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC); + unsigned int new_fl = 0; if (ip->flags & BTRFS_INODE_SYNC) - inode->i_flags |= S_SYNC; + new_fl |= S_SYNC; if (ip->flags & BTRFS_INODE_IMMUTABLE) - inode->i_flags |= S_IMMUTABLE; + new_fl |= S_IMMUTABLE; if (ip->flags & BTRFS_INODE_APPEND) - inode->i_flags |= S_APPEND; + new_fl |= S_APPEND; if (ip->flags & BTRFS_INODE_NOATIME) - inode->i_flags |= S_NOATIME; + new_fl |= S_NOATIME; if (ip->flags & BTRFS_INODE_DIRSYNC) - inode->i_flags |= S_DIRSYNC; + new_fl |= S_DIRSYNC; + + set_mask_bits(&inode->i_flags, + S_SYNC | S_APPEND | S_IMMUTABLE | S_NOATIME | S_DIRSYNC, + new_fl); } /* @@ -3139,7 +3142,6 @@ out: static void clone_update_extent_map(struct inode *inode, const struct btrfs_trans_handle *trans, const struct btrfs_path *path, - struct btrfs_file_extent_item *fi, const u64 hole_offset, const u64 hole_len) { @@ -3154,7 +3156,11 @@ static void clone_update_extent_map(struct inode *inode, return; } - if (fi) { + if (path) { + struct btrfs_file_extent_item *fi; + + fi = btrfs_item_ptr(path->nodes[0], path->slots[0], + struct btrfs_file_extent_item); btrfs_extent_item_to_extent_map(inode, path, fi, false, em); em->generation = -1; if (btrfs_file_extent_type(path->nodes[0], fi) == @@ -3508,18 +3514,15 @@ process_slot: btrfs_item_ptr_offset(leaf, slot), size); inode_add_bytes(inode, datal); - extent = btrfs_item_ptr(leaf, slot, - struct btrfs_file_extent_item); } /* If we have an implicit hole (NO_HOLES feature). */ if (drop_start < new_key.offset) clone_update_extent_map(inode, trans, - path, NULL, drop_start, + NULL, drop_start, new_key.offset - drop_start); - clone_update_extent_map(inode, trans, path, - extent, 0, 0); + clone_update_extent_map(inode, trans, path, 0, 0); btrfs_mark_buffer_dirty(leaf); btrfs_release_path(path); @@ -3562,12 +3565,10 @@ process_slot: btrfs_end_transaction(trans, root); goto out; } + clone_update_extent_map(inode, trans, NULL, last_dest_end, + destoff + len - last_dest_end); ret = clone_finish_inode_update(trans, inode, destoff + len, destoff, olen); - if (ret) - goto out; - clone_update_extent_map(inode, trans, path, NULL, last_dest_end, - destoff + len - last_dest_end); } out: diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 6efd70d..9626b4a 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -54,7 +54,7 @@ static void print_extent_data_ref(struct extent_buffer *eb, btrfs_extent_data_ref_count(eb, ref)); } -static void print_extent_item(struct extent_buffer *eb, int slot) +static void print_extent_item(struct extent_buffer *eb, int slot, int type) { struct btrfs_extent_item *ei; struct btrfs_extent_inline_ref *iref; @@ -63,7 +63,6 @@ static void print_extent_item(struct extent_buffer *eb, int slot) struct btrfs_disk_key key; unsigned long end; unsigned long ptr; - int type; u32 item_size = btrfs_item_size_nr(eb, slot); u64 flags; u64 offset; @@ -88,7 +87,8 @@ static void print_extent_item(struct extent_buffer *eb, int slot) btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei), flags); - if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) { + if ((type == BTRFS_EXTENT_ITEM_KEY) && + flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) { struct btrfs_tree_block_info *info; info = (struct btrfs_tree_block_info *)(ei + 1); btrfs_tree_block_key(eb, info, &key); @@ -223,7 +223,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) btrfs_disk_root_refs(l, ri)); break; case BTRFS_EXTENT_ITEM_KEY: - print_extent_item(l, i); + case BTRFS_METADATA_ITEM_KEY: + print_extent_item(l, i, type); break; case BTRFS_TREE_BLOCK_REF_KEY: printk(KERN_INFO "\t\ttree block backref\n"); diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 4055291..4a88f07 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1956,9 +1956,10 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio) * pages are going to be uptodate. */ for (stripe = 0; stripe < bbio->num_stripes; stripe++) { - if (rbio->faila == stripe || - rbio->failb == stripe) + if (rbio->faila == stripe || rbio->failb == stripe) { + atomic_inc(&rbio->bbio->error); continue; + } for (pagenr = 0; pagenr < nr_pages; pagenr++) { struct page *p; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4662d92..8e16bca 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -522,9 +522,10 @@ int btrfs_parse_options(struct btrfs_root *root, char *options) case Opt_ssd_spread: btrfs_set_and_info(root, SSD_SPREAD, "use spread ssd allocation scheme"); + btrfs_set_opt(info->mount_opt, SSD); break; case Opt_nossd: - btrfs_clear_and_info(root, NOSSD, + btrfs_set_and_info(root, NOSSD, "not using ssd allocation scheme"); btrfs_clear_opt(info->mount_opt, SSD); break; @@ -1467,7 +1468,9 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) goto restore; /* recover relocation */ + mutex_lock(&fs_info->cleaner_mutex); ret = btrfs_recover_relocation(root); + mutex_unlock(&fs_info->cleaner_mutex); if (ret) goto restore; @@ -1808,6 +1811,8 @@ static int btrfs_show_devname(struct seq_file *m, struct dentry *root) list_for_each_entry(dev, head, dev_list) { if (dev->missing) continue; + if (!dev->name) + continue; if (!first_dev || dev->devid < first_dev->devid) first_dev = dev; } diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index df39458..7869936 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -605,14 +605,37 @@ static void init_feature_attrs(void) } } -static int add_device_membership(struct btrfs_fs_info *fs_info) +int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info, + struct btrfs_device *one_device) +{ + struct hd_struct *disk; + struct kobject *disk_kobj; + + if (!fs_info->device_dir_kobj) + return -EINVAL; + + if (one_device) { + disk = one_device->bdev->bd_part; + disk_kobj = &part_to_dev(disk)->kobj; + + sysfs_remove_link(fs_info->device_dir_kobj, + disk_kobj->name); + } + + return 0; +} + +int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info, + struct btrfs_device *one_device) { int error = 0; struct btrfs_fs_devices *fs_devices = fs_info->fs_devices; struct btrfs_device *dev; - fs_info->device_dir_kobj = kobject_create_and_add("devices", + if (!fs_info->device_dir_kobj) + fs_info->device_dir_kobj = kobject_create_and_add("devices", &fs_info->super_kobj); + if (!fs_info->device_dir_kobj) return -ENOMEM; @@ -623,6 +646,9 @@ static int add_device_membership(struct btrfs_fs_info *fs_info) if (!dev->bdev) continue; + if (one_device && one_device != dev) + continue; + disk = dev->bdev->bd_part; disk_kobj = &part_to_dev(disk)->kobj; @@ -666,7 +692,7 @@ int btrfs_sysfs_add_one(struct btrfs_fs_info *fs_info) if (error) goto failure; - error = add_device_membership(fs_info); + error = btrfs_kobj_add_device(fs_info, NULL); if (error) goto failure; diff --git a/fs/btrfs/sysfs.h b/fs/btrfs/sysfs.h index 9ab5763..ac46df3 100644 --- a/fs/btrfs/sysfs.h +++ b/fs/btrfs/sysfs.h @@ -66,4 +66,8 @@ char *btrfs_printable_features(enum btrfs_feature_set set, u64 flags); extern const char * const btrfs_feature_set_names[3]; extern struct kobj_type space_info_ktype; extern struct kobj_type btrfs_raid_ktype; +int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info, + struct btrfs_device *one_device); +int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info, + struct btrfs_device *one_device); #endif /* _BTRFS_SYSFS_H_ */ diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 511839c..5f379af 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -386,11 +386,13 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type, bool reloc_reserved = false; int ret; + /* Send isn't supposed to start transactions. */ + ASSERT(current->journal_info != (void *)BTRFS_SEND_TRANS_STUB); + if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state)) return ERR_PTR(-EROFS); - if (current->journal_info && - current->journal_info != (void *)BTRFS_SEND_TRANS_STUB) { + if (current->journal_info) { WARN_ON(type & TRANS_EXTWRITERS); h = current->journal_info; h->use_count++; @@ -491,6 +493,7 @@ again: smp_mb(); if (cur_trans->state >= TRANS_STATE_BLOCKED && may_wait_transaction(root, type)) { + current->journal_info = h; btrfs_commit_transaction(h, root); goto again; } @@ -1615,11 +1618,6 @@ static int btrfs_flush_all_pending_stuffs(struct btrfs_trans_handle *trans, int ret; ret = btrfs_run_delayed_items(trans, root); - /* - * running the delayed items may have added new refs. account - * them now so that they hinder processing of more delayed refs - * as little as possible. - */ if (ret) return ret; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index c83b242..6104676 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -40,6 +40,7 @@ #include "rcu-string.h" #include "math.h" #include "dev-replace.h" +#include "sysfs.h" static int init_first_rw_device(struct btrfs_trans_handle *trans, struct btrfs_root *root, @@ -554,12 +555,14 @@ static struct btrfs_fs_devices *clone_fs_devices(struct btrfs_fs_devices *orig) * This is ok to do without rcu read locked because we hold the * uuid mutex so nothing we touch in here is going to disappear. */ - name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS); - if (!name) { - kfree(device); - goto error; + if (orig_dev->name) { + name = rcu_string_strdup(orig_dev->name->str, GFP_NOFS); + if (!name) { + kfree(device); + goto error; + } + rcu_assign_pointer(device->name, name); } - rcu_assign_pointer(device->name, name); list_add(&device->dev_list, &fs_devices->devices); device->fs_devices = fs_devices; @@ -1680,6 +1683,9 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) if (device->bdev) device->fs_devices->open_devices--; + /* remove sysfs entry */ + btrfs_kobj_rm_device(root->fs_info, device); + call_rcu(&device->rcu, free_device); num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1; @@ -2143,9 +2149,14 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) total_bytes = btrfs_super_num_devices(root->fs_info->super_copy); btrfs_set_super_num_devices(root->fs_info->super_copy, total_bytes + 1); + + /* add sysfs device entry */ + btrfs_kobj_add_device(root->fs_info, device); + mutex_unlock(&root->fs_info->fs_devices->device_list_mutex); if (seeding_dev) { + char fsid_buf[BTRFS_UUID_UNPARSED_SIZE]; ret = init_first_rw_device(trans, root, device); if (ret) { btrfs_abort_transaction(trans, root, ret); @@ -2156,6 +2167,14 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) btrfs_abort_transaction(trans, root, ret); goto error_trans; } + + /* Sprouting would change fsid of the mounted root, + * so rename the fsid on the sysfs + */ + snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU", + root->fs_info->fsid); + if (kobject_rename(&root->fs_info->super_kobj, fsid_buf)) + goto error_trans; } else { ret = btrfs_add_device(trans, root, device); if (ret) { @@ -2205,6 +2224,7 @@ error_trans: unlock_chunks(root); btrfs_end_transaction(trans, root); rcu_string_free(device->name); + btrfs_kobj_rm_device(root->fs_info, device); kfree(device); error: blkdev_put(bdev, FMODE_EXCL); diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index 4f19631..b67d8fc 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -136,7 +136,7 @@ static int zlib_compress_pages(struct list_head *ws, if (workspace->def_strm.total_in > 8192 && workspace->def_strm.total_in < workspace->def_strm.total_out) { - ret = -EIO; + ret = -E2BIG; goto out; } /* we need another page for writing out. Test this diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 3f5c188..0b7e28e 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -966,10 +966,10 @@ retry: continue; } - if (ei->i_es_lru_nr == 0 || ei == locked_ei) + if (ei->i_es_lru_nr == 0 || ei == locked_ei || + !write_trylock(&ei->i_es_lock)) continue; - write_lock(&ei->i_es_lock); shrunk = __es_try_to_reclaim_extents(ei, nr_to_scan); if (ei->i_es_lru_nr == 0) list_del_init(&ei->i_es_lru); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index a87455d..5b87fc3 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -338,7 +338,7 @@ out: fatal = err; } else { ext4_error(sb, "bit already cleared for inode %lu", ino); - if (!EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) { + if (gdp && !EXT4_MB_GRP_IBITMAP_CORRUPT(grp)) { int count; count = ext4_free_inodes_count(sb, gdp); percpu_counter_sub(&sbi->s_freeinodes_counter, @@ -874,6 +874,13 @@ got: goto out; } + BUFFER_TRACE(group_desc_bh, "get_write_access"); + err = ext4_journal_get_write_access(handle, group_desc_bh); + if (err) { + ext4_std_error(sb, err); + goto out; + } + /* We may have to initialize the block bitmap if it isn't already */ if (ext4_has_group_desc_csum(sb) && gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) { @@ -910,13 +917,6 @@ got: } } - BUFFER_TRACE(group_desc_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, group_desc_bh); - if (err) { - ext4_std_error(sb, err); - goto out; - } - /* Update the relevant bg descriptor fields */ if (ext4_has_group_desc_csum(sb)) { int free; diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 7f72f50..2dcb936 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -752,8 +752,8 @@ void ext4_mb_generate_buddy(struct super_block *sb, if (free != grp->bb_free) { ext4_grp_locked_error(sb, group, 0, 0, - "%u clusters in bitmap, %u in gd; " - "block bitmap corrupt.", + "block bitmap and bg descriptor " + "inconsistent: %u vs %u free clusters", free, grp->bb_free); /* * If we intend to continue, we consider group descriptor diff --git a/fs/ext4/super.c b/fs/ext4/super.c index b9b9aab..6df7bc6 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1525,8 +1525,6 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token, arg = JBD2_DEFAULT_MAX_COMMIT_AGE; sbi->s_commit_interval = HZ * arg; } else if (token == Opt_max_batch_time) { - if (arg == 0) - arg = EXT4_DEF_MAX_BATCH_TIME; sbi->s_max_batch_time = arg; } else if (token == Opt_min_batch_time) { sbi->s_min_batch_time = arg; @@ -2809,10 +2807,11 @@ static void print_daily_error_info(unsigned long arg) es = sbi->s_es; if (es->s_error_count) - ext4_msg(sb, KERN_NOTICE, "error count: %u", + /* fsck newer than v1.41.13 is needed to clean this condition. */ + ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u", le32_to_cpu(es->s_error_count)); if (es->s_first_error_time) { - printk(KERN_NOTICE "EXT4-fs (%s): initial error at %u: %.*s:%d", + printk(KERN_NOTICE "EXT4-fs (%s): initial error at time %u: %.*s:%d", sb->s_id, le32_to_cpu(es->s_first_error_time), (int) sizeof(es->s_first_error_func), es->s_first_error_func, @@ -2826,7 +2825,7 @@ static void print_daily_error_info(unsigned long arg) printk("\n"); } if (es->s_last_error_time) { - printk(KERN_NOTICE "EXT4-fs (%s): last error at %u: %.*s:%d", + printk(KERN_NOTICE "EXT4-fs (%s): last error at time %u: %.*s:%d", sb->s_id, le32_to_cpu(es->s_last_error_time), (int) sizeof(es->s_last_error_func), es->s_last_error_func, @@ -3880,38 +3879,19 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) goto failed_mount2; } } - - /* - * set up enough so that it can read an inode, - * and create new inode for buddy allocator - */ - sbi->s_gdb_count = db_count; - if (!test_opt(sb, NOLOAD) && - EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL)) - sb->s_op = &ext4_sops; - else - sb->s_op = &ext4_nojournal_sops; - - ext4_ext_init(sb); - err = ext4_mb_init(sb); - if (err) { - ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", - err); - goto failed_mount2; - } - if (!ext4_check_descriptors(sb, &first_not_zeroed)) { ext4_msg(sb, KERN_ERR, "group descriptors corrupted!"); - goto failed_mount2a; + goto failed_mount2; } if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_FLEX_BG)) if (!ext4_fill_flex_info(sb)) { ext4_msg(sb, KERN_ERR, "unable to initialize " "flex_bg meta info!"); - goto failed_mount2a; + goto failed_mount2; } + sbi->s_gdb_count = db_count; get_random_bytes(&sbi->s_next_generation, sizeof(u32)); spin_lock_init(&sbi->s_next_gen_lock); @@ -3946,6 +3926,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) sbi->s_stripe = ext4_get_stripe_size(sbi); sbi->s_extent_max_zeroout_kb = 32; + /* + * set up enough so that it can read an inode + */ + if (!test_opt(sb, NOLOAD) && + EXT4_HAS_COMPAT_FEATURE(sb, EXT4_FEATURE_COMPAT_HAS_JOURNAL)) + sb->s_op = &ext4_sops; + else + sb->s_op = &ext4_nojournal_sops; sb->s_export_op = &ext4_export_ops; sb->s_xattr = ext4_xattr_handlers; #ifdef CONFIG_QUOTA @@ -4135,13 +4123,21 @@ no_journal: if (err) { ext4_msg(sb, KERN_ERR, "failed to reserve %llu clusters for " "reserved pool", ext4_calculate_resv_clusters(sb)); - goto failed_mount5; + goto failed_mount4a; } err = ext4_setup_system_zone(sb); if (err) { ext4_msg(sb, KERN_ERR, "failed to initialize system " "zone (%d)", err); + goto failed_mount4a; + } + + ext4_ext_init(sb); + err = ext4_mb_init(sb); + if (err) { + ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", + err); goto failed_mount5; } @@ -4218,8 +4214,11 @@ failed_mount8: failed_mount7: ext4_unregister_li_request(sb); failed_mount6: - ext4_release_system_zone(sb); + ext4_mb_release(sb); failed_mount5: + ext4_ext_release(sb); + ext4_release_system_zone(sb); +failed_mount4a: dput(sb->s_root); sb->s_root = NULL; failed_mount4: @@ -4243,14 +4242,11 @@ failed_mount3: percpu_counter_destroy(&sbi->s_extent_cache_cnt); if (sbi->s_mmp_tsk) kthread_stop(sbi->s_mmp_tsk); -failed_mount2a: - ext4_mb_release(sb); failed_mount2: for (i = 0; i < db_count; i++) brelse(sbi->s_group_desc[i]); ext4_kvfree(sbi->s_group_desc); failed_mount: - ext4_ext_release(sb); if (sbi->s_chksum_driver) crypto_free_shash(sbi->s_chksum_driver); if (sbi->s_proc) { diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 0924521..f8cf619 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -608,8 +608,8 @@ static int __allocate_data_block(struct dnode_of_data *dn) * b. do not use extent cache for better performance * c. give the block addresses to blockdev */ -static int get_data_block(struct inode *inode, sector_t iblock, - struct buffer_head *bh_result, int create) +static int __get_data_block(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create, bool fiemap) { struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); unsigned int blkbits = inode->i_sb->s_blocksize_bits; @@ -637,7 +637,7 @@ static int get_data_block(struct inode *inode, sector_t iblock, err = 0; goto unlock_out; } - if (dn.data_blkaddr == NEW_ADDR) + if (dn.data_blkaddr == NEW_ADDR && !fiemap) goto put_out; if (dn.data_blkaddr != NULL_ADDR) { @@ -671,7 +671,7 @@ get_next: err = 0; goto unlock_out; } - if (dn.data_blkaddr == NEW_ADDR) + if (dn.data_blkaddr == NEW_ADDR && !fiemap) goto put_out; end_offset = ADDRS_PER_PAGE(dn.node_page, F2FS_I(inode)); @@ -708,10 +708,23 @@ out: return err; } +static int get_data_block(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create) +{ + return __get_data_block(inode, iblock, bh_result, create, false); +} + +static int get_data_block_fiemap(struct inode *inode, sector_t iblock, + struct buffer_head *bh_result, int create) +{ + return __get_data_block(inode, iblock, bh_result, create, true); +} + int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) { - return generic_block_fiemap(inode, fieinfo, start, len, get_data_block); + return generic_block_fiemap(inode, fieinfo, + start, len, get_data_block_fiemap); } static int f2fs_read_data_page(struct file *file, struct page *page) diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 966acb0..a4addd7 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -376,11 +376,11 @@ static struct page *init_inode_metadata(struct inode *inode, put_error: f2fs_put_page(page, 1); +error: /* once the failed inode becomes a bad inode, i_mode is S_IFREG */ truncate_inode_pages(&inode->i_data, 0); truncate_blocks(inode, 0); remove_dirty_dir_inode(inode); -error: remove_inode_page(inode); return ERR_PTR(err); } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e51c732..58df97e 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -342,9 +342,6 @@ struct f2fs_sm_info { struct dirty_seglist_info *dirty_info; /* dirty segment information */ struct curseg_info *curseg_array; /* active segment information */ - struct list_head wblist_head; /* list of under-writeback pages */ - spinlock_t wblist_lock; /* lock for checkpoint */ - block_t seg0_blkaddr; /* block address of 0'th segment */ block_t main_blkaddr; /* start block address of main area */ block_t ssa_blkaddr; /* start block address of SSA area */ @@ -644,7 +641,8 @@ static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) */ static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) { - WARN_ON((nid >= NM_I(sbi)->max_nid)); + if (unlikely(nid < F2FS_ROOT_INO(sbi))) + return -EINVAL; if (unlikely(nid >= NM_I(sbi)->max_nid)) return -EINVAL; return 0; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index c58e330..7d8b962 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -659,16 +659,19 @@ static int expand_inode_data(struct inode *inode, loff_t offset, off_start = offset & (PAGE_CACHE_SIZE - 1); off_end = (offset + len) & (PAGE_CACHE_SIZE - 1); + f2fs_lock_op(sbi); + for (index = pg_start; index <= pg_end; index++) { struct dnode_of_data dn; - f2fs_lock_op(sbi); + if (index == pg_end && !off_end) + goto noalloc; + set_new_dnode(&dn, inode, NULL, NULL, 0); ret = f2fs_reserve_block(&dn, index); - f2fs_unlock_op(sbi); if (ret) break; - +noalloc: if (pg_start == pg_end) new_size = offset + len; else if (index == pg_start && off_start) @@ -683,8 +686,9 @@ static int expand_inode_data(struct inode *inode, loff_t offset, i_size_read(inode) < new_size) { i_size_write(inode, new_size); mark_inode_dirty(inode); - f2fs_write_inode(inode, NULL); + update_inode_page(inode); } + f2fs_unlock_op(sbi); return ret; } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index adc622c..2cf6962 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -78,6 +78,7 @@ static int do_read_inode(struct inode *inode) if (check_nid_range(sbi, inode->i_ino)) { f2fs_msg(inode->i_sb, KERN_ERR, "bad inode number: %lu", (unsigned long) inode->i_ino); + WARN_ON(1); return -EINVAL; } diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 9138c32..a6bdddc 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -417,9 +417,6 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, } f2fs_set_link(new_dir, new_entry, new_page, old_inode); - down_write(&F2FS_I(old_inode)->i_sem); - F2FS_I(old_inode)->i_pino = new_dir->i_ino; - up_write(&F2FS_I(old_inode)->i_sem); new_inode->i_ctime = CURRENT_TIME; down_write(&F2FS_I(new_inode)->i_sem); @@ -448,6 +445,10 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, } } + down_write(&F2FS_I(old_inode)->i_sem); + file_lost_pino(old_inode); + up_write(&F2FS_I(old_inode)->i_sem); + old_inode->i_ctime = CURRENT_TIME; mark_inode_dirty(old_inode); @@ -457,9 +458,6 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, if (old_dir != new_dir) { f2fs_set_link(old_inode, old_dir_entry, old_dir_page, new_dir); - down_write(&F2FS_I(old_inode)->i_sem); - F2FS_I(old_inode)->i_pino = new_dir->i_ino; - up_write(&F2FS_I(old_inode)->i_sem); update_inode_page(old_inode); } else { kunmap(old_dir_page); @@ -474,7 +472,8 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, return 0; put_out_dir: - f2fs_put_page(new_page, 1); + kunmap(new_page); + f2fs_put_page(new_page, 0); out_dir: if (old_dir_entry) { kunmap(old_dir_page); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9dfb9a0..4b697cc 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -42,6 +42,8 @@ bool available_free_memory(struct f2fs_sb_info *sbi, int type) mem_size = (nm_i->nat_cnt * sizeof(struct nat_entry)) >> 12; res = mem_size < ((val.totalram * nm_i->ram_thresh / 100) >> 2); } else if (type == DIRTY_DENTS) { + if (sbi->sb->s_bdi->dirty_exceeded) + return false; mem_size = get_pages(sbi, F2FS_DIRTY_DENTS); res = mem_size < ((val.totalram * nm_i->ram_thresh / 100) >> 1); } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index f25f0e0..d04613d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -272,14 +272,15 @@ int create_flush_cmd_control(struct f2fs_sb_info *sbi) return -ENOMEM; spin_lock_init(&fcc->issue_lock); init_waitqueue_head(&fcc->flush_wait_queue); + sbi->sm_info->cmd_control_info = fcc; fcc->f2fs_issue_flush = kthread_run(issue_flush_thread, sbi, "f2fs_flush-%u:%u", MAJOR(dev), MINOR(dev)); if (IS_ERR(fcc->f2fs_issue_flush)) { err = PTR_ERR(fcc->f2fs_issue_flush); kfree(fcc); + sbi->sm_info->cmd_control_info = NULL; return err; } - sbi->sm_info->cmd_control_info = fcc; return err; } @@ -1885,8 +1886,6 @@ int build_segment_manager(struct f2fs_sb_info *sbi) /* init sm info */ sbi->sm_info = sm_info; - INIT_LIST_HEAD(&sm_info->wblist_head); - spin_lock_init(&sm_info->wblist_lock); sm_info->seg0_blkaddr = le32_to_cpu(raw_super->segment0_blkaddr); sm_info->main_blkaddr = le32_to_cpu(raw_super->main_blkaddr); sm_info->segment_count = le32_to_cpu(raw_super->segment_count); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b2b1863..8f96d93 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -689,9 +689,7 @@ static struct inode *f2fs_nfs_get_inode(struct super_block *sb, struct f2fs_sb_info *sbi = F2FS_SB(sb); struct inode *inode; - if (unlikely(ino < F2FS_ROOT_INO(sbi))) - return ERR_PTR(-ESTALE); - if (unlikely(ino >= NM_I(sbi)->max_nid)) + if (check_nid_range(sbi, ino)) return ERR_PTR(-ESTALE); /* diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 098f97b..ca88731 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -643,9 +643,8 @@ struct fuse_copy_state { unsigned long seglen; unsigned long addr; struct page *pg; - void *mapaddr; - void *buf; unsigned len; + unsigned offset; unsigned move_pages:1; }; @@ -666,23 +665,17 @@ static void fuse_copy_finish(struct fuse_copy_state *cs) if (cs->currbuf) { struct pipe_buffer *buf = cs->currbuf; - if (!cs->write) { - kunmap_atomic(cs->mapaddr); - } else { - kunmap_atomic(cs->mapaddr); + if (cs->write) buf->len = PAGE_SIZE - cs->len; - } cs->currbuf = NULL; - cs->mapaddr = NULL; - } else if (cs->mapaddr) { - kunmap_atomic(cs->mapaddr); + } else if (cs->pg) { if (cs->write) { flush_dcache_page(cs->pg); set_page_dirty_lock(cs->pg); } put_page(cs->pg); - cs->mapaddr = NULL; } + cs->pg = NULL; } /* @@ -691,7 +684,7 @@ static void fuse_copy_finish(struct fuse_copy_state *cs) */ static int fuse_copy_fill(struct fuse_copy_state *cs) { - unsigned long offset; + struct page *page; int err; unlock_request(cs->fc, cs->req); @@ -706,14 +699,12 @@ static int fuse_copy_fill(struct fuse_copy_state *cs) BUG_ON(!cs->nr_segs); cs->currbuf = buf; - cs->mapaddr = kmap_atomic(buf->page); + cs->pg = buf->page; + cs->offset = buf->offset; cs->len = buf->len; - cs->buf = cs->mapaddr + buf->offset; cs->pipebufs++; cs->nr_segs--; } else { - struct page *page; - if (cs->nr_segs == cs->pipe->buffers) return -EIO; @@ -726,8 +717,8 @@ static int fuse_copy_fill(struct fuse_copy_state *cs) buf->len = 0; cs->currbuf = buf; - cs->mapaddr = kmap_atomic(page); - cs->buf = cs->mapaddr; + cs->pg = page; + cs->offset = 0; cs->len = PAGE_SIZE; cs->pipebufs++; cs->nr_segs++; @@ -740,14 +731,13 @@ static int fuse_copy_fill(struct fuse_copy_state *cs) cs->iov++; cs->nr_segs--; } - err = get_user_pages_fast(cs->addr, 1, cs->write, &cs->pg); + err = get_user_pages_fast(cs->addr, 1, cs->write, &page); if (err < 0) return err; BUG_ON(err != 1); - offset = cs->addr % PAGE_SIZE; - cs->mapaddr = kmap_atomic(cs->pg); - cs->buf = cs->mapaddr + offset; - cs->len = min(PAGE_SIZE - offset, cs->seglen); + cs->pg = page; + cs->offset = cs->addr % PAGE_SIZE; + cs->len = min(PAGE_SIZE - cs->offset, cs->seglen); cs->seglen -= cs->len; cs->addr += cs->len; } @@ -760,15 +750,20 @@ static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size) { unsigned ncpy = min(*size, cs->len); if (val) { + void *pgaddr = kmap_atomic(cs->pg); + void *buf = pgaddr + cs->offset; + if (cs->write) - memcpy(cs->buf, *val, ncpy); + memcpy(buf, *val, ncpy); else - memcpy(*val, cs->buf, ncpy); + memcpy(*val, buf, ncpy); + + kunmap_atomic(pgaddr); *val += ncpy; } *size -= ncpy; cs->len -= ncpy; - cs->buf += ncpy; + cs->offset += ncpy; return ncpy; } @@ -874,8 +869,8 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) out_fallback_unlock: unlock_page(newpage); out_fallback: - cs->mapaddr = kmap_atomic(buf->page); - cs->buf = cs->mapaddr + buf->offset; + cs->pg = buf->page; + cs->offset = buf->offset; err = lock_request(cs->fc, cs->req); if (err) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 4219835..0c60482 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -198,7 +198,8 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) inode = ACCESS_ONCE(entry->d_inode); if (inode && is_bad_inode(inode)) goto invalid; - else if (fuse_dentry_time(entry) < get_jiffies_64()) { + else if (time_before64(fuse_dentry_time(entry), get_jiffies_64()) || + (flags & LOOKUP_REVAL)) { int err; struct fuse_entry_out outarg; struct fuse_req *req; @@ -814,13 +815,6 @@ static int fuse_rename_common(struct inode *olddir, struct dentry *oldent, return err; } -static int fuse_rename(struct inode *olddir, struct dentry *oldent, - struct inode *newdir, struct dentry *newent) -{ - return fuse_rename_common(olddir, oldent, newdir, newent, 0, - FUSE_RENAME, sizeof(struct fuse_rename_in)); -} - static int fuse_rename2(struct inode *olddir, struct dentry *oldent, struct inode *newdir, struct dentry *newent, unsigned int flags) @@ -831,17 +825,30 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent, if (flags & ~(RENAME_NOREPLACE | RENAME_EXCHANGE)) return -EINVAL; - if (fc->no_rename2 || fc->minor < 23) - return -EINVAL; + if (flags) { + if (fc->no_rename2 || fc->minor < 23) + return -EINVAL; - err = fuse_rename_common(olddir, oldent, newdir, newent, flags, - FUSE_RENAME2, sizeof(struct fuse_rename2_in)); - if (err == -ENOSYS) { - fc->no_rename2 = 1; - err = -EINVAL; + err = fuse_rename_common(olddir, oldent, newdir, newent, flags, + FUSE_RENAME2, + sizeof(struct fuse_rename2_in)); + if (err == -ENOSYS) { + fc->no_rename2 = 1; + err = -EINVAL; + } + } else { + err = fuse_rename_common(olddir, oldent, newdir, newent, 0, + FUSE_RENAME, + sizeof(struct fuse_rename_in)); } + return err; +} +static int fuse_rename(struct inode *olddir, struct dentry *oldent, + struct inode *newdir, struct dentry *newent) +{ + return fuse_rename2(olddir, oldent, newdir, newent, 0); } static int fuse_link(struct dentry *entry, struct inode *newdir, @@ -985,7 +992,7 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat, int err; bool r; - if (fi->i_time < get_jiffies_64()) { + if (time_before64(fi->i_time, get_jiffies_64())) { r = true; err = fuse_do_getattr(inode, stat, file); } else { @@ -1171,7 +1178,7 @@ static int fuse_permission(struct inode *inode, int mask) ((mask & MAY_EXEC) && S_ISREG(inode->i_mode))) { struct fuse_inode *fi = get_fuse_inode(inode); - if (fi->i_time < get_jiffies_64()) { + if (time_before64(fi->i_time, get_jiffies_64())) { refreshed = true; err = fuse_perm_getattr(inode, mask); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6e16dad..40ac262 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1687,7 +1687,7 @@ static int fuse_writepage_locked(struct page *page) error = -EIO; req->ff = fuse_write_file_get(fc, fi); if (!req->ff) - goto err_free; + goto err_nofile; fuse_write_fill(req, req->ff, page_offset(page), 0); @@ -1715,6 +1715,8 @@ static int fuse_writepage_locked(struct page *page) return 0; +err_nofile: + __free_page(tmp_page); err_free: fuse_request_free(req); err: @@ -1955,8 +1957,8 @@ static int fuse_writepages(struct address_space *mapping, data.ff = NULL; err = -ENOMEM; - data.orig_pages = kzalloc(sizeof(struct page *) * - FUSE_MAX_PAGES_PER_REQ, + data.orig_pages = kcalloc(FUSE_MAX_PAGES_PER_REQ, + sizeof(struct page *), GFP_NOFS); if (!data.orig_pages) goto out; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 754dcf2..8474028 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -478,6 +478,17 @@ static const match_table_t tokens = { {OPT_ERR, NULL} }; +static int fuse_match_uint(substring_t *s, unsigned int *res) +{ + int err = -ENOMEM; + char *buf = match_strdup(s); + if (buf) { + err = kstrtouint(buf, 10, res); + kfree(buf); + } + return err; +} + static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev) { char *p; @@ -488,6 +499,7 @@ static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev) while ((p = strsep(&opt, ",")) != NULL) { int token; int value; + unsigned uv; substring_t args[MAX_OPT_ARGS]; if (!*p) continue; @@ -511,18 +523,18 @@ static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev) break; case OPT_USER_ID: - if (match_int(&args[0], &value)) + if (fuse_match_uint(&args[0], &uv)) return 0; - d->user_id = make_kuid(current_user_ns(), value); + d->user_id = make_kuid(current_user_ns(), uv); if (!uid_valid(d->user_id)) return 0; d->user_id_present = 1; break; case OPT_GROUP_ID: - if (match_int(&args[0], &value)) + if (fuse_match_uint(&args[0], &uv)) return 0; - d->group_id = make_kgid(current_user_ns(), value); + d->group_id = make_kgid(current_user_ns(), uv); if (!gid_valid(d->group_id)) return 0; d->group_id_present = 1; @@ -1006,7 +1018,7 @@ static int fuse_fill_super(struct super_block *sb, void *data, int silent) sb->s_flags &= ~(MS_NOSEC | MS_I_VERSION); - if (!parse_fuse_opt((char *) data, &d, is_bdev)) + if (!parse_fuse_opt(data, &d, is_bdev)) goto err; if (is_bdev) { diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 38cfcf5..6f0f590 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1588,9 +1588,12 @@ int jbd2_journal_stop(handle_t *handle) * to perform a synchronous write. We do this to detect the * case where a single process is doing a stream of sync * writes. No point in waiting for joiners in that case. + * + * Setting max_batch_time to 0 disables this completely. */ pid = current->pid; - if (handle->h_sync && journal->j_last_sync_writer != pid) { + if (handle->h_sync && journal->j_last_sync_writer != pid && + journal->j_max_batch_time) { u64 commit_time, trans_time; journal->j_last_sync_writer = pid; diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index e3d37f6..d895b4b 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -39,6 +39,19 @@ struct kernfs_open_node { struct list_head files; /* goes through kernfs_open_file.list */ }; +/* + * kernfs_notify() may be called from any context and bounces notifications + * through a work item. To minimize space overhead in kernfs_node, the + * pending queue is implemented as a singly linked list of kernfs_nodes. + * The list is terminated with the self pointer so that whether a + * kernfs_node is on the list or not can be determined by testing the next + * pointer for NULL. + */ +#define KERNFS_NOTIFY_EOL ((void *)&kernfs_notify_list) + +static DEFINE_SPINLOCK(kernfs_notify_lock); +static struct kernfs_node *kernfs_notify_list = KERNFS_NOTIFY_EOL; + static struct kernfs_open_file *kernfs_of(struct file *file) { return ((struct seq_file *)file->private_data)->private; @@ -783,24 +796,25 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait) return DEFAULT_POLLMASK|POLLERR|POLLPRI; } -/** - * kernfs_notify - notify a kernfs file - * @kn: file to notify - * - * Notify @kn such that poll(2) on @kn wakes up. - */ -void kernfs_notify(struct kernfs_node *kn) +static void kernfs_notify_workfn(struct work_struct *work) { - struct kernfs_root *root = kernfs_root(kn); + struct kernfs_node *kn; struct kernfs_open_node *on; struct kernfs_super_info *info; - unsigned long flags; - - if (WARN_ON(kernfs_type(kn) != KERNFS_FILE)) +repeat: + /* pop one off the notify_list */ + spin_lock_irq(&kernfs_notify_lock); + kn = kernfs_notify_list; + if (kn == KERNFS_NOTIFY_EOL) { + spin_unlock_irq(&kernfs_notify_lock); return; + } + kernfs_notify_list = kn->attr.notify_next; + kn->attr.notify_next = NULL; + spin_unlock_irq(&kernfs_notify_lock); /* kick poll */ - spin_lock_irqsave(&kernfs_open_node_lock, flags); + spin_lock_irq(&kernfs_open_node_lock); on = kn->attr.open; if (on) { @@ -808,12 +822,12 @@ void kernfs_notify(struct kernfs_node *kn) wake_up_interruptible(&on->poll); } - spin_unlock_irqrestore(&kernfs_open_node_lock, flags); + spin_unlock_irq(&kernfs_open_node_lock); /* kick fsnotify */ mutex_lock(&kernfs_mutex); - list_for_each_entry(info, &root->supers, node) { + list_for_each_entry(info, &kernfs_root(kn)->supers, node) { struct inode *inode; struct dentry *dentry; @@ -833,6 +847,33 @@ void kernfs_notify(struct kernfs_node *kn) } mutex_unlock(&kernfs_mutex); + kernfs_put(kn); + goto repeat; +} + +/** + * kernfs_notify - notify a kernfs file + * @kn: file to notify + * + * Notify @kn such that poll(2) on @kn wakes up. Maybe be called from any + * context. + */ +void kernfs_notify(struct kernfs_node *kn) +{ + static DECLARE_WORK(kernfs_notify_work, kernfs_notify_workfn); + unsigned long flags; + + if (WARN_ON(kernfs_type(kn) != KERNFS_FILE)) + return; + + spin_lock_irqsave(&kernfs_notify_lock, flags); + if (!kn->attr.notify_next) { + kernfs_get(kn); + kn->attr.notify_next = kernfs_notify_list; + kernfs_notify_list = kn; + schedule_work(&kernfs_notify_work); + } + spin_unlock_irqrestore(&kernfs_notify_lock, flags); } EXPORT_SYMBOL_GPL(kernfs_notify); diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index d171b98..f973ae9 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -211,6 +211,36 @@ void kernfs_kill_sb(struct super_block *sb) kernfs_put(root_kn); } +/** + * kernfs_pin_sb: try to pin the superblock associated with a kernfs_root + * @kernfs_root: the kernfs_root in question + * @ns: the namespace tag + * + * Pin the superblock so the superblock won't be destroyed in subsequent + * operations. This can be used to block ->kill_sb() which may be useful + * for kernfs users which dynamically manage superblocks. + * + * Returns NULL if there's no superblock associated to this kernfs_root, or + * -EINVAL if the superblock is being freed. + */ +struct super_block *kernfs_pin_sb(struct kernfs_root *root, const void *ns) +{ + struct kernfs_super_info *info; + struct super_block *sb = NULL; + + mutex_lock(&kernfs_mutex); + list_for_each_entry(info, &root->supers, node) { + if (info->ns == ns) { + sb = info->sb; + if (!atomic_inc_not_zero(&info->sb->s_active)) + sb = ERR_PTR(-EINVAL); + break; + } + } + mutex_unlock(&kernfs_mutex); + return sb; +} + void __init kernfs_init(void) { kernfs_node_cache = kmem_cache_create("kernfs_node_cache", diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 6851b00..8f029db 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -617,15 +617,6 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, switch (create->cr_type) { case NF4LNK: - /* ugh! we have to null-terminate the linktext, or - * vfs_symlink() will choke. it is always safe to - * null-terminate by brute force, since at worst we - * will overwrite the first byte of the create namelen - * in the XDR buffer, which has already been extracted - * during XDR decode. - */ - create->cr_linkname[create->cr_linklen] = 0; - status = nfsd_symlink(rqstp, &cstate->current_fh, create->cr_name, create->cr_namelen, create->cr_linkname, create->cr_linklen, diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 83baf2b..b56b1cc0 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -600,7 +600,18 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create READ_BUF(4); create->cr_linklen = be32_to_cpup(p++); READ_BUF(create->cr_linklen); - SAVEMEM(create->cr_linkname, create->cr_linklen); + /* + * The VFS will want a null-terminated string, and + * null-terminating in place isn't safe since this might + * end on a page boundary: + */ + create->cr_linkname = + kmalloc(create->cr_linklen + 1, GFP_KERNEL); + if (!create->cr_linkname) + return nfserr_jukebox; + memcpy(create->cr_linkname, p, create->cr_linklen); + create->cr_linkname[create->cr_linklen] = '\0'; + defer_free(argp, kfree, create->cr_linkname); break; case NF4BLK: case NF4CHR: @@ -2630,7 +2641,7 @@ nfsd4_encode_rdattr_error(struct xdr_stream *xdr, __be32 nfserr) { __be32 *p; - p = xdr_reserve_space(xdr, 6); + p = xdr_reserve_space(xdr, 20); if (!p) return NULL; *p++ = htonl(2); @@ -3267,7 +3278,7 @@ nfsd4_encode_readlink(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd wire_count = htonl(maxcount); write_bytes_to_xdr_buf(xdr->buf, length_offset, &wire_count, 4); - xdr_truncate_encode(xdr, length_offset + 4 + maxcount); + xdr_truncate_encode(xdr, length_offset + 4 + ALIGN(maxcount, 4)); if (maxcount & 3) write_bytes_to_xdr_buf(xdr->buf, length_offset + 4 + maxcount, &zero, 4 - (maxcount&3)); diff --git a/fs/proc/stat.c b/fs/proc/stat.c index 9d231e9..bf2d03f 100644 --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -184,29 +184,11 @@ static int show_stat(struct seq_file *p, void *v) static int stat_open(struct inode *inode, struct file *file) { - size_t size = 1024 + 128 * num_possible_cpus(); - char *buf; - struct seq_file *m; - int res; + size_t size = 1024 + 128 * num_online_cpus(); /* minimum size to display an interrupt count : 2 bytes */ size += 2 * nr_irqs; - - /* don't ask for more than the kmalloc() max size */ - if (size > KMALLOC_MAX_SIZE) - size = KMALLOC_MAX_SIZE; - buf = kmalloc(size, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - res = single_open(file, show_stat, NULL); - if (!res) { - m = file->private_data; - m->buf = buf; - m->size = ksize(buf); - } else - kfree(buf); - return res; + return single_open_size(file, show_stat, NULL, size); } static const struct file_operations proc_stat_operations = { diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 9cd5f63..7f30bdc 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -702,6 +702,7 @@ dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) struct dquot *dquot; unsigned long freed = 0; + spin_lock(&dq_list_lock); head = free_dquots.prev; while (head != &free_dquots && sc->nr_to_scan) { dquot = list_entry(head, struct dquot, dq_free); @@ -713,6 +714,7 @@ dqcache_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) freed++; head = free_dquots.prev; } + spin_unlock(&dq_list_lock); return freed; } diff --git a/fs/seq_file.c b/fs/seq_file.c index 1d641bb..3857b72 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -8,8 +8,10 @@ #include <linux/fs.h> #include <linux/export.h> #include <linux/seq_file.h> +#include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/cred.h> +#include <linux/mm.h> #include <asm/uaccess.h> #include <asm/page.h> @@ -30,6 +32,16 @@ static void seq_set_overflow(struct seq_file *m) m->count = m->size; } +static void *seq_buf_alloc(unsigned long size) +{ + void *buf; + + buf = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); + if (!buf && size > PAGE_SIZE) + buf = vmalloc(size); + return buf; +} + /** * seq_open - initialize sequential file * @file: file we initialize @@ -96,7 +108,7 @@ static int traverse(struct seq_file *m, loff_t offset) return 0; } if (!m->buf) { - m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); + m->buf = seq_buf_alloc(m->size = PAGE_SIZE); if (!m->buf) return -ENOMEM; } @@ -135,9 +147,9 @@ static int traverse(struct seq_file *m, loff_t offset) Eoverflow: m->op->stop(m, p); - kfree(m->buf); + kvfree(m->buf); m->count = 0; - m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); + m->buf = seq_buf_alloc(m->size <<= 1); return !m->buf ? -ENOMEM : -EAGAIN; } @@ -192,7 +204,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) /* grab buffer if we didn't have one */ if (!m->buf) { - m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); + m->buf = seq_buf_alloc(m->size = PAGE_SIZE); if (!m->buf) goto Enomem; } @@ -232,9 +244,9 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) if (m->count < m->size) goto Fill; m->op->stop(m, p); - kfree(m->buf); + kvfree(m->buf); m->count = 0; - m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); + m->buf = seq_buf_alloc(m->size <<= 1); if (!m->buf) goto Enomem; m->version = 0; @@ -350,7 +362,7 @@ EXPORT_SYMBOL(seq_lseek); int seq_release(struct inode *inode, struct file *file) { struct seq_file *m = file->private_data; - kfree(m->buf); + kvfree(m->buf); kfree(m); return 0; } @@ -605,13 +617,13 @@ EXPORT_SYMBOL(single_open); int single_open_size(struct file *file, int (*show)(struct seq_file *, void *), void *data, size_t size) { - char *buf = kmalloc(size, GFP_KERNEL); + char *buf = seq_buf_alloc(size); int ret; if (!buf) return -ENOMEM; ret = single_open(file, show, data); if (ret) { - kfree(buf); + kvfree(buf); return ret; } ((struct seq_file *)file->private_data)->buf = buf; diff --git a/include/acpi/video.h b/include/acpi/video.h index ea4c7bb..843ef1a 100644 --- a/include/acpi/video.h +++ b/include/acpi/video.h @@ -22,6 +22,7 @@ extern void acpi_video_unregister(void); extern void acpi_video_unregister_backlight(void); extern int acpi_video_get_edid(struct acpi_device *device, int type, int device_id, void **edid); +extern bool acpi_video_verify_backlight_support(void); #else static inline int acpi_video_register(void) { return 0; } static inline void acpi_video_unregister(void) { return; } @@ -31,6 +32,7 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type, { return -ENODEV; } +static inline bool acpi_video_verify_backlight_support(void) { return false; } #endif #endif diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 471ba48..c1c0b0cf 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -693,7 +693,7 @@ . = ALIGN(PAGE_SIZE); \ *(.data..percpu..page_aligned) \ . = ALIGN(cacheline); \ - *(.data..percpu..readmostly) \ + *(.data..percpu..read_mostly) \ . = ALIGN(cacheline); \ *(.data..percpu) \ *(.data..percpu..shared_aligned) \ diff --git a/include/drm/i915_powerwell.h b/include/drm/i915_powerwell.h index 2baba99..baa6f11 100644 --- a/include/drm/i915_powerwell.h +++ b/include/drm/i915_powerwell.h @@ -32,5 +32,6 @@ /* For use by hda_i915 driver */ extern int i915_request_power_well(void); extern int i915_release_power_well(void); +extern int i915_get_cdclk_freq(void); #endif /* _I915_POWERWELL_H_ */ diff --git a/include/dt-bindings/clock/exynos5420.h b/include/dt-bindings/clock/exynos5420.h index 97dcb89..21d51ae 100644 --- a/include/dt-bindings/clock/exynos5420.h +++ b/include/dt-bindings/clock/exynos5420.h @@ -63,7 +63,6 @@ #define CLK_SCLK_MPHY_IXTAL24 161 /* gate clocks */ -#define CLK_ACLK66_PERIC 256 #define CLK_UART0 257 #define CLK_UART1 258 #define CLK_UART2 259 @@ -203,6 +202,8 @@ #define CLK_MOUT_G3D 641 #define CLK_MOUT_VPLL 642 #define CLK_MOUT_MAUDIO0 643 +#define CLK_MOUT_USER_ACLK333 644 +#define CLK_MOUT_SW_ACLK333 645 /* divider clocks */ #define CLK_DOUT_PIXEL 768 diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 17aa1cc..30faf79 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -91,6 +91,7 @@ struct kernfs_elem_attr { const struct kernfs_ops *ops; struct kernfs_open_node *open; loff_t size; + struct kernfs_node *notify_next; /* for kernfs_notify() */ }; /* @@ -304,6 +305,7 @@ struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, struct kernfs_root *root, unsigned long magic, bool *new_sb_created, const void *ns); void kernfs_kill_sb(struct super_block *sb); +struct super_block *kernfs_pin_sb(struct kernfs_root *root, const void *ns); void kernfs_init(void); diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index b12f4bb..35b51e7 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -578,8 +578,6 @@ struct mlx4_cq { u32 cons_index; u16 irq; - bool irq_affinity_change; - __be32 *set_ci_db; __be32 *arm_db; int arm_sn; @@ -1167,6 +1165,8 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, int *vector); void mlx4_release_eq(struct mlx4_dev *dev, int vec); +int mlx4_eq_get_irq(struct mlx4_dev *dev, int vec); + int mlx4_get_phys_port_id(struct mlx4_dev *dev); int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index a70c949..d449018 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -25,9 +25,6 @@ struct phy_device *of_phy_attach(struct net_device *dev, extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); -extern void of_mdiobus_link_phydev(struct mii_bus *mdio, - struct phy_device *phydev); - #else /* CONFIG_OF */ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) { @@ -63,11 +60,6 @@ static inline struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np) { return NULL; } - -static inline void of_mdiobus_link_phydev(struct mii_bus *mdio, - struct phy_device *phydev) -{ -} #endif /* CONFIG_OF */ #if defined(CONFIG_OF) && defined(CONFIG_FIXED_PHY) diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index a5fc7d0..dec01d6 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -146,10 +146,10 @@ * Declaration/definition used for per-CPU variables that must be read mostly. */ #define DECLARE_PER_CPU_READ_MOSTLY(type, name) \ - DECLARE_PER_CPU_SECTION(type, name, "..readmostly") + DECLARE_PER_CPU_SECTION(type, name, "..read_mostly") #define DEFINE_PER_CPU_READ_MOSTLY(type, name) \ - DEFINE_PER_CPU_SECTION(type, name, "..readmostly") + DEFINE_PER_CPU_SECTION(type, name, "..read_mostly") /* * Intermodule exports for per-CPU variables. sparse forgets about diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 077904c..cc79eff 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -334,6 +334,9 @@ static inline void user_single_step_siginfo(struct task_struct *tsk, * calling arch_ptrace_stop() when it would be superfluous. For example, * if the thread has not been back to user mode since the last stop, the * thread state might indicate that nothing needs to be done. + * + * This is guaranteed to be invoked once before a task stops for ptrace and + * may include arch-specific operations necessary prior to a ptrace stop. */ #define arch_ptrace_stop_needed(code, info) (0) #endif diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h index 1a64b26..9b7de1b 100644 --- a/include/linux/usb_usual.h +++ b/include/linux/usb_usual.h @@ -70,7 +70,9 @@ US_FLAG(NEEDS_CAP16, 0x00400000) \ /* cannot handle READ_CAPACITY_10 */ \ US_FLAG(IGNORE_UAS, 0x00800000) \ - /* Device advertises UAS but it is broken */ + /* Device advertises UAS but it is broken */ \ + US_FLAG(BROKEN_FUA, 0x01000000) \ + /* Cannot handle FUA in WRITE or READ CDBs */ \ #define US_FLAG(name, value) US_FL_##name = value , enum { US_DO_ALL_FLAGS }; diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 7277caf..47f4254 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -203,7 +203,6 @@ struct neigh_table { void (*proxy_redo)(struct sk_buff *skb); char *id; struct neigh_parms parms; - /* HACK. gc_* should follow parms without a gap! */ int gc_interval; int gc_thresh1; int gc_thresh2; diff --git a/include/net/netns/ieee802154_6lowpan.h b/include/net/netns/ieee802154_6lowpan.h index 079030c..e207096 100644 --- a/include/net/netns/ieee802154_6lowpan.h +++ b/include/net/netns/ieee802154_6lowpan.h @@ -16,7 +16,7 @@ struct netns_sysctl_lowpan { struct netns_ieee802154_lowpan { struct netns_sysctl_lowpan sysctl; struct netns_frags frags; - u16 max_dsize; + int max_dsize; }; #endif diff --git a/include/net/sock.h b/include/net/sock.h index 173cae4..1563507 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1768,9 +1768,11 @@ __sk_dst_set(struct sock *sk, struct dst_entry *dst) static inline void sk_dst_set(struct sock *sk, struct dst_entry *dst) { - spin_lock(&sk->sk_dst_lock); - __sk_dst_set(sk, dst); - spin_unlock(&sk->sk_dst_lock); + struct dst_entry *old_dst; + + sk_tx_queue_clear(sk); + old_dst = xchg((__force struct dst_entry **)&sk->sk_dst_cache, dst); + dst_release(old_dst); } static inline void @@ -1782,9 +1784,7 @@ __sk_dst_reset(struct sock *sk) static inline void sk_dst_reset(struct sock *sk) { - spin_lock(&sk->sk_dst_lock); - __sk_dst_reset(sk); - spin_unlock(&sk->sk_dst_lock); + sk_dst_set(sk, NULL); } struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie); diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 42ed789..e0ae710 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -318,7 +318,7 @@ static inline void set_driver_byte(struct scsi_cmnd *cmd, char status) static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd) { - unsigned int xfer_len = blk_rq_bytes(scmd->request); + unsigned int xfer_len = scsi_out(scmd)->length; unsigned int prot_op = scsi_get_prot_op(scmd); unsigned int sector_size = scmd->device->sector_size; diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 5853c91..27ab310 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -173,6 +173,7 @@ struct scsi_device { unsigned is_visible:1; /* is the device visible in sysfs */ unsigned wce_default_on:1; /* Cache is ON by default */ unsigned no_dif:1; /* T10 PI (DIF) should be disabled */ + unsigned broken_fua:1; /* Don't set FUA bit */ atomic_t disk_events_disable_depth; /* disable depth for disk events */ diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index 6f9c38c..2f47824 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -38,6 +38,7 @@ struct btrfs_ioctl_vol_args { #define BTRFS_SUBVOL_QGROUP_INHERIT (1ULL << 2) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 +#define BTRFS_UUID_UNPARSED_SIZE 37 #define BTRFS_QGROUP_INHERIT_SET_LIMITS (1ULL << 0) diff --git a/include/uapi/linux/usb/functionfs.h b/include/uapi/linux/usb/functionfs.h index 2a4b4a7..24b68c5 100644 --- a/include/uapi/linux/usb/functionfs.h +++ b/include/uapi/linux/usb/functionfs.h @@ -33,6 +33,13 @@ struct usb_endpoint_descriptor_no_audio { __u8 bInterval; } __attribute__((packed)); +/* Legacy format, deprecated as of 3.14. */ +struct usb_functionfs_descs_head { + __le32 magic; + __le32 length; + __le32 fs_count; + __le32 hs_count; +} __attribute__((packed, deprecated)); /* * Descriptors format: diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 7868fc3..70776ae 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1648,10 +1648,13 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, int flags, const char *unused_dev_name, void *data) { + struct super_block *pinned_sb = NULL; + struct cgroup_subsys *ss; struct cgroup_root *root; struct cgroup_sb_opts opts; struct dentry *dentry; int ret; + int i; bool new_sb; /* @@ -1677,6 +1680,27 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, goto out_unlock; } + /* + * Destruction of cgroup root is asynchronous, so subsystems may + * still be dying after the previous unmount. Let's drain the + * dying subsystems. We just need to ensure that the ones + * unmounted previously finish dying and don't care about new ones + * starting. Testing ref liveliness is good enough. + */ + for_each_subsys(ss, i) { + if (!(opts.subsys_mask & (1 << i)) || + ss->root == &cgrp_dfl_root) + continue; + + if (!percpu_ref_tryget_live(&ss->root->cgrp.self.refcnt)) { + mutex_unlock(&cgroup_mutex); + msleep(10); + ret = restart_syscall(); + goto out_free; + } + cgroup_put(&ss->root->cgrp); + } + for_each_root(root) { bool name_match = false; @@ -1717,15 +1741,23 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, } /* - * A root's lifetime is governed by its root cgroup. - * tryget_live failure indicate that the root is being - * destroyed. Wait for destruction to complete so that the - * subsystems are free. We can use wait_queue for the wait - * but this path is super cold. Let's just sleep for a bit - * and retry. + * We want to reuse @root whose lifetime is governed by its + * ->cgrp. Let's check whether @root is alive and keep it + * that way. As cgroup_kill_sb() can happen anytime, we + * want to block it by pinning the sb so that @root doesn't + * get killed before mount is complete. + * + * With the sb pinned, tryget_live can reliably indicate + * whether @root can be reused. If it's being killed, + * drain it. We can use wait_queue for the wait but this + * path is super cold. Let's just sleep a bit and retry. */ - if (!percpu_ref_tryget_live(&root->cgrp.self.refcnt)) { + pinned_sb = kernfs_pin_sb(root->kf_root, NULL); + if (IS_ERR(pinned_sb) || + !percpu_ref_tryget_live(&root->cgrp.self.refcnt)) { mutex_unlock(&cgroup_mutex); + if (!IS_ERR_OR_NULL(pinned_sb)) + deactivate_super(pinned_sb); msleep(10); ret = restart_syscall(); goto out_free; @@ -1770,6 +1802,16 @@ out_free: CGROUP_SUPER_MAGIC, &new_sb); if (IS_ERR(dentry) || !new_sb) cgroup_put(&root->cgrp); + + /* + * If @pinned_sb, we're reusing an existing root and holding an + * extra ref on its sb. Mount is complete. Put the extra ref. + */ + if (pinned_sb) { + WARN_ON(new_sb); + deactivate_super(pinned_sb); + } + return dentry; } @@ -3328,7 +3370,7 @@ bool css_has_online_children(struct cgroup_subsys_state *css) rcu_read_lock(); css_for_each_child(child, css) { - if (css->flags & CSS_ONLINE) { + if (child->flags & CSS_ONLINE) { ret = true; break; } diff --git a/kernel/cpuset.c b/kernel/cpuset.c index f6b33c6..116a416 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1181,7 +1181,13 @@ done: int current_cpuset_is_being_rebound(void) { - return task_cs(current) == cpuset_being_rebound; + int ret; + + rcu_read_lock(); + ret = task_cs(current) == cpuset_being_rebound; + rcu_read_unlock(); + + return ret; } static int update_relax_domain_level(struct cpuset *cs, s64 val) @@ -1617,7 +1623,17 @@ static ssize_t cpuset_write_resmask(struct kernfs_open_file *of, * resources, wait for the previously scheduled operations before * proceeding, so that we don't end up keep removing tasks added * after execution capability is restored. + * + * cpuset_hotplug_work calls back into cgroup core via + * cgroup_transfer_tasks() and waiting for it from a cgroupfs + * operation like this one can lead to a deadlock through kernfs + * active_ref protection. Let's break the protection. Losing the + * protection is okay as we check whether @cs is online after + * grabbing cpuset_mutex anyway. This only happens on the legacy + * hierarchies. */ + css_get(&cs->css); + kernfs_break_active_protection(of->kn); flush_work(&cpuset_hotplug_work); mutex_lock(&cpuset_mutex); @@ -1645,6 +1661,8 @@ static ssize_t cpuset_write_resmask(struct kernfs_open_file *of, free_trial_cpuset(trialcs); out_unlock: mutex_unlock(&cpuset_mutex); + kernfs_unbreak_active_protection(of->kn); + css_put(&cs->css); return retval ?: nbytes; } diff --git a/kernel/events/core.c b/kernel/events/core.c index a33d9a2b..b0c95f0 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2320,7 +2320,7 @@ static void perf_event_context_sched_out(struct task_struct *task, int ctxn, next_parent = rcu_dereference(next_ctx->parent_ctx); /* If neither context have a parent context; they cannot be clones. */ - if (!parent && !next_parent) + if (!parent || !next_parent) goto unlock; if (next_parent == ctx || next_ctx == parent || next_parent == parent) { diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index c445e39..6f3254e 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -846,7 +846,7 @@ static void __uprobe_unregister(struct uprobe *uprobe, struct uprobe_consumer *u { int err; - if (!consumer_del(uprobe, uc)) /* WARN? */ + if (WARN_ON(!consumer_del(uprobe, uc))) return; err = register_for_each_vma(uprobe, NULL); @@ -927,7 +927,7 @@ int uprobe_apply(struct inode *inode, loff_t offset, int ret = -ENOENT; uprobe = find_uprobe(inode, offset); - if (!uprobe) + if (WARN_ON(!uprobe)) return ret; down_write(&uprobe->register_rwsem); @@ -952,7 +952,7 @@ void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consume struct uprobe *uprobe; uprobe = find_uprobe(inode, offset); - if (!uprobe) + if (WARN_ON(!uprobe)) return; down_write(&uprobe->register_rwsem); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 7339e42..1487a12 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -455,9 +455,9 @@ EXPORT_SYMBOL_GPL(irq_alloc_hwirqs); */ void irq_free_hwirqs(unsigned int from, int cnt) { - int i; + int i, j; - for (i = from; cnt > 0; i++, cnt--) { + for (i = from, j = cnt; j > 0; i++, j--) { irq_set_status_flags(i, _IRQ_NOREQUEST | _IRQ_NOPROBE); arch_teardown_hwirq(i); } diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index ea2d5f6..13e839d 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1416,9 +1416,10 @@ static int have_callable_console(void) /* * Can we actually use the console at this time on this cpu? * - * Console drivers may assume that per-cpu resources have been allocated. So - * unless they're explicitly marked as being able to cope (CON_ANYTIME) don't - * call them until this CPU is officially up. + * Console drivers may assume that per-cpu resources have + * been allocated. So unless they're explicitly marked as + * being able to cope (CON_ANYTIME) don't call them until + * this CPU is officially up. */ static inline int can_use_console(unsigned int cpu) { @@ -1431,10 +1432,8 @@ static inline int can_use_console(unsigned int cpu) * console_lock held, and 'console_locked' set) if it * is successful, false otherwise. */ -static int console_trylock_for_printk(void) +static int console_trylock_for_printk(unsigned int cpu) { - unsigned int cpu = smp_processor_id(); - if (!console_trylock()) return 0; /* @@ -1609,8 +1608,7 @@ asmlinkage int vprintk_emit(int facility, int level, */ if (!oops_in_progress && !lockdep_recursing(current)) { recursion_bug = 1; - local_irq_restore(flags); - return 0; + goto out_restore_irqs; } zap_locks(); } @@ -1718,27 +1716,21 @@ asmlinkage int vprintk_emit(int facility, int level, logbuf_cpu = UINT_MAX; raw_spin_unlock(&logbuf_lock); - lockdep_on(); - local_irq_restore(flags); /* If called from the scheduler, we can not call up(). */ - if (in_sched) - return printed_len; - - /* - * Disable preemption to avoid being preempted while holding - * console_sem which would prevent anyone from printing to console - */ - preempt_disable(); - /* - * Try to acquire and then immediately release the console semaphore. - * The release will print out buffers and wake up /dev/kmsg and syslog() - * users. - */ - if (console_trylock_for_printk()) - console_unlock(); - preempt_enable(); + if (!in_sched) { + /* + * Try to acquire and then immediately release the console + * semaphore. The release will print out buffers and wake up + * /dev/kmsg and syslog() users. + */ + if (console_trylock_for_printk(this_cpu)) + console_unlock(); + } + lockdep_on(); +out_restore_irqs: + local_irq_restore(flags); return printed_len; } EXPORT_SYMBOL(vprintk_emit); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 384ede3..f243444 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1396,7 +1396,6 @@ void tracing_start(void) arch_spin_unlock(&global_trace.max_lock); - ftrace_start(); out: raw_spin_unlock_irqrestore(&global_trace.start_lock, flags); } @@ -1443,7 +1442,6 @@ void tracing_stop(void) struct ring_buffer *buffer; unsigned long flags; - ftrace_stop(); raw_spin_lock_irqsave(&global_trace.start_lock, flags); if (global_trace.stop_count++) goto out; diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 04fdb5d..3c9b97e 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -893,6 +893,9 @@ probe_event_enable(struct trace_uprobe *tu, struct ftrace_event_file *file, int ret; if (file) { + if (tu->tp.flags & TP_FLAG_PROFILE) + return -EINTR; + link = kmalloc(sizeof(*link), GFP_KERNEL); if (!link) return -ENOMEM; @@ -901,29 +904,40 @@ probe_event_enable(struct trace_uprobe *tu, struct ftrace_event_file *file, list_add_tail_rcu(&link->list, &tu->tp.files); tu->tp.flags |= TP_FLAG_TRACE; - } else - tu->tp.flags |= TP_FLAG_PROFILE; + } else { + if (tu->tp.flags & TP_FLAG_TRACE) + return -EINTR; - ret = uprobe_buffer_enable(); - if (ret < 0) - return ret; + tu->tp.flags |= TP_FLAG_PROFILE; + } WARN_ON(!uprobe_filter_is_empty(&tu->filter)); if (enabled) return 0; + ret = uprobe_buffer_enable(); + if (ret) + goto err_flags; + tu->consumer.filter = filter; ret = uprobe_register(tu->inode, tu->offset, &tu->consumer); - if (ret) { - if (file) { - list_del(&link->list); - kfree(link); - tu->tp.flags &= ~TP_FLAG_TRACE; - } else - tu->tp.flags &= ~TP_FLAG_PROFILE; - } + if (ret) + goto err_buffer; + return 0; + + err_buffer: + uprobe_buffer_disable(); + + err_flags: + if (file) { + list_del(&link->list); + kfree(link); + tu->tp.flags &= ~TP_FLAG_TRACE; + } else { + tu->tp.flags &= ~TP_FLAG_PROFILE; + } return ret; } @@ -1201,12 +1215,6 @@ static int uprobe_dispatcher(struct uprobe_consumer *con, struct pt_regs *regs) current->utask->vaddr = (unsigned long) &udd; -#ifdef CONFIG_PERF_EVENTS - if ((tu->tp.flags & TP_FLAG_TRACE) == 0 && - !uprobe_perf_filter(&tu->consumer, 0, current->mm)) - return UPROBE_HANDLER_REMOVE; -#endif - if (WARN_ON_ONCE(!uprobe_cpu_buffer)) return 0; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 6203d29..35974ac 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -3284,6 +3284,7 @@ int workqueue_sysfs_register(struct workqueue_struct *wq) } } + dev_set_uevent_suppress(&wq_dev->dev, false); kobject_uevent(&wq_dev->dev.kobj, KOBJ_ADD); return 0; } @@ -4879,7 +4880,7 @@ static void __init wq_numa_init(void) BUG_ON(!tbl); for_each_node(node) - BUG_ON(!alloc_cpumask_var_node(&tbl[node], GFP_KERNEL, + BUG_ON(!zalloc_cpumask_var_node(&tbl[node], GFP_KERNEL, node_online(node) ? node : NUMA_NO_NODE)); for_each_possible_cpu(cpu) { diff --git a/lib/cpumask.c b/lib/cpumask.c index c101230..b6513a9 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -191,7 +191,7 @@ int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp) i %= num_online_cpus(); - if (!cpumask_of_node(numa_node)) { + if (numa_node == -1 || !cpumask_of_node(numa_node)) { /* Use all online cpu's for non numa aware system */ cpumask_copy(mask, cpu_online_mask); } else { diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c index b74da44..7a85967 100644 --- a/lib/lz4/lz4_decompress.c +++ b/lib/lz4/lz4_decompress.c @@ -192,6 +192,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest, int s = 255; while ((ip < iend) && (s == 255)) { s = *ip++; + if (unlikely(length > (size_t)(length + s))) + goto _output_error; length += s; } } @@ -232,6 +234,8 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest, if (length == ML_MASK) { while (ip < iend) { int s = *ip++; + if (unlikely(length > (size_t)(length + s))) + goto _output_error; length += s; if (s == 255) continue; @@ -284,7 +288,7 @@ static int lz4_uncompress_unknownoutputsize(const char *source, char *dest, /* write overflow error detected */ _output_error: - return (int) (-(((char *) ip) - source)); + return -1; } int lz4_decompress(const unsigned char *src, size_t *src_len, diff --git a/mm/memory-failure.c b/mm/memory-failure.c index cd8989c..c6399e3 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -895,7 +895,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, struct page *hpage = *hpagep; struct page *ppage; - if (PageReserved(p) || PageSlab(p)) + if (PageReserved(p) || PageSlab(p) || !PageLRU(p)) return SWAP_SUCCESS; /* @@ -1159,9 +1159,6 @@ int memory_failure(unsigned long pfn, int trapno, int flags) action_result(pfn, "free buddy, 2nd try", DELAYED); return 0; } - action_result(pfn, "non LRU", IGNORED); - put_page(p); - return -EBUSY; } } @@ -1194,6 +1191,9 @@ int memory_failure(unsigned long pfn, int trapno, int flags) return 0; } + if (!PageHuge(p) && !PageTransTail(p) && !PageLRU(p)) + goto identify_page_state; + /* * For error on the tail page, we should set PG_hwpoison * on the head page to show that the hugepage is hwpoisoned @@ -1243,6 +1243,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) goto out; } +identify_page_state: res = -EBUSY; /* * The first check uses the current page flags which may not have any diff --git a/mm/mempolicy.c b/mm/mempolicy.c index eb58de1..8f5330d 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -2139,7 +2139,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old) } else *new = *old; - rcu_read_lock(); if (current_cpuset_is_being_rebound()) { nodemask_t mems = cpuset_mems_allowed(current); if (new->flags & MPOL_F_REBINDING) @@ -2147,7 +2146,6 @@ struct mempolicy *__mpol_dup(struct mempolicy *old) else mpol_rebind_policy(new, &mems, MPOL_REBIND_ONCE); } - rcu_read_unlock(); atomic_set(&new->refcnt, 1); return new; } @@ -78,7 +78,8 @@ SYSCALL_DEFINE3(msync, unsigned long, start, size_t, len, int, flags) goto out_unlock; } file = vma->vm_file; - fstart = start + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); + fstart = (start - vma->vm_start) + + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); fend = fstart + (min(end, vma->vm_end) - start) - 1; start = vma->vm_end; if ((flags & MS_SYNC) && file && diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 20d17f8..0ea758b 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -816,9 +816,21 @@ void __init init_cma_reserved_pageblock(struct page *page) set_page_count(p, 0); } while (++p, --i); - set_page_refcounted(page); set_pageblock_migratetype(page, MIGRATE_CMA); - __free_pages(page, pageblock_order); + + if (pageblock_order >= MAX_ORDER) { + i = pageblock_nr_pages; + p = page; + do { + set_page_refcounted(p); + __free_pages(p, MAX_ORDER - 1); + p += MAX_ORDER_NR_PAGES; + } while (i -= MAX_ORDER_NR_PAGES); + } else { + set_page_refcounted(page); + __free_pages(page, pageblock_order); + } + adjust_managed_page_count(page, pageblock_nr_pages); } #endif @@ -1029,6 +1029,9 @@ repeat: goto failed; } + if (page && sgp == SGP_WRITE) + mark_page_accessed(page); + /* fallocated page? */ if (page && !PageUptodate(page)) { if (sgp != SGP_READ) @@ -1110,6 +1113,9 @@ repeat: shmem_recalc_inode(inode); spin_unlock(&info->lock); + if (sgp == SGP_WRITE) + mark_page_accessed(page); + delete_from_swap_cache(page); set_page_dirty(page); swap_free(swap); @@ -1136,6 +1142,9 @@ repeat: __SetPageSwapBacked(page); __set_page_locked(page); + if (sgp == SGP_WRITE) + init_page_accessed(page); + error = mem_cgroup_charge_file(page, current->mm, gfp & GFP_RECLAIM_MASK); if (error) @@ -1412,13 +1421,9 @@ shmem_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { - int ret; struct inode *inode = mapping->host; pgoff_t index = pos >> PAGE_CACHE_SHIFT; - ret = shmem_getpage(inode, index, pagep, SGP_WRITE, NULL); - if (ret == 0 && *pagep) - init_page_accessed(*pagep); - return ret; + return shmem_getpage(inode, index, pagep, SGP_WRITE, NULL); } static int @@ -1881,7 +1881,7 @@ redo: new.frozen = 0; - if (!new.inuse && n->nr_partial > s->min_partial) + if (!new.inuse && n->nr_partial >= s->min_partial) m = M_FREE; else if (new.freelist) { m = M_PARTIAL; @@ -1992,7 +1992,7 @@ static void unfreeze_partials(struct kmem_cache *s, new.freelist, new.counters, "unfreezing slab")); - if (unlikely(!new.inuse && n->nr_partial > s->min_partial)) { + if (unlikely(!new.inuse && n->nr_partial >= s->min_partial)) { page->next = discard_page; discard_page = page; } else { @@ -2620,7 +2620,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page, return; } - if (unlikely(!new.inuse && n->nr_partial > s->min_partial)) + if (unlikely(!new.inuse && n->nr_partial >= s->min_partial)) goto slab_empty; /* diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index ad2ac3c..dd11f61 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -627,8 +627,6 @@ static void vlan_dev_uninit(struct net_device *dev) struct vlan_dev_priv *vlan = vlan_dev_priv(dev); int i; - free_percpu(vlan->vlan_pcpu_stats); - vlan->vlan_pcpu_stats = NULL; for (i = 0; i < ARRAY_SIZE(vlan->egress_priority_map); i++) { while ((pm = vlan->egress_priority_map[i]) != NULL) { vlan->egress_priority_map[i] = pm->next; @@ -785,6 +783,15 @@ static const struct net_device_ops vlan_netdev_ops = { .ndo_get_lock_subclass = vlan_dev_get_lock_subclass, }; +static void vlan_dev_free(struct net_device *dev) +{ + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); + + free_percpu(vlan->vlan_pcpu_stats); + vlan->vlan_pcpu_stats = NULL; + free_netdev(dev); +} + void vlan_setup(struct net_device *dev) { ether_setup(dev); @@ -794,7 +801,7 @@ void vlan_setup(struct net_device *dev) dev->tx_queue_len = 0; dev->netdev_ops = &vlan_netdev_ops; - dev->destructor = free_netdev; + dev->destructor = vlan_dev_free; dev->ethtool_ops = &vlan_ethtool_ops; memset(dev->broadcast, 0, ETH_ALEN); diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 01a1082..bfcf6be 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -1489,8 +1489,6 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev, goto drop; /* Queue packet (standard) */ - skb->sk = sock; - if (sock_queue_rcv_skb(sock, skb) < 0) goto drop; @@ -1644,7 +1642,6 @@ static int atalk_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr if (!skb) goto out; - skb->sk = sk; skb_reserve(skb, ddp_dl->header_length); skb_reserve(skb, dev->hard_header_len); skb->dev = dev; diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index ca01d18..a7a27bc 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -289,10 +289,20 @@ static void hci_conn_timeout(struct work_struct *work) { struct hci_conn *conn = container_of(work, struct hci_conn, disc_work.work); + int refcnt = atomic_read(&conn->refcnt); BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); - if (atomic_read(&conn->refcnt)) + WARN_ON(refcnt < 0); + + /* FIXME: It was observed that in pairing failed scenario, refcnt + * drops below 0. Probably this is because l2cap_conn_del calls + * l2cap_chan_del for each channel, and inside l2cap_chan_del conn is + * dropped. After that loop hci_chan_del is called which also drops + * conn. For now make sure that ACL is alive if refcnt is higher then 0, + * otherwise drop it. + */ + if (refcnt > 0) return; switch (conn->state) { diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index f2829a7..e33a982 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -385,6 +385,16 @@ static const u8 gen_method[5][5] = { { CFM_PASSKEY, CFM_PASSKEY, REQ_PASSKEY, JUST_WORKS, OVERLAP }, }; +static u8 get_auth_method(struct smp_chan *smp, u8 local_io, u8 remote_io) +{ + /* If either side has unknown io_caps, use JUST WORKS */ + if (local_io > SMP_IO_KEYBOARD_DISPLAY || + remote_io > SMP_IO_KEYBOARD_DISPLAY) + return JUST_WORKS; + + return gen_method[remote_io][local_io]; +} + static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, u8 local_io, u8 remote_io) { @@ -401,14 +411,11 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth, BT_DBG("tk_request: auth:%d lcl:%d rem:%d", auth, local_io, remote_io); /* If neither side wants MITM, use JUST WORKS */ - /* If either side has unknown io_caps, use JUST WORKS */ /* Otherwise, look up method from the table */ - if (!(auth & SMP_AUTH_MITM) || - local_io > SMP_IO_KEYBOARD_DISPLAY || - remote_io > SMP_IO_KEYBOARD_DISPLAY) + if (!(auth & SMP_AUTH_MITM)) method = JUST_WORKS; else - method = gen_method[remote_io][local_io]; + method = get_auth_method(smp, local_io, remote_io); /* If not bonding, don't ask user to confirm a Zero TK */ if (!(auth & SMP_AUTH_BONDING) && method == JUST_CFM) @@ -669,7 +676,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) { struct smp_cmd_pairing rsp, *req = (void *) skb->data; struct smp_chan *smp; - u8 key_size, auth; + u8 key_size, auth, sec_level; int ret; BT_DBG("conn %p", conn); @@ -695,7 +702,19 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) /* We didn't start the pairing, so match remote */ auth = req->auth_req; - conn->hcon->pending_sec_level = authreq_to_seclevel(auth); + sec_level = authreq_to_seclevel(auth); + if (sec_level > conn->hcon->pending_sec_level) + conn->hcon->pending_sec_level = sec_level; + + /* If we need MITM check that it can be acheived */ + if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) { + u8 method; + + method = get_auth_method(smp, conn->hcon->io_capability, + req->io_capability); + if (method == JUST_WORKS || method == JUST_CFM) + return SMP_AUTH_REQUIREMENTS; + } build_pairing_cmd(conn, req, &rsp, auth); @@ -743,6 +762,16 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb) if (check_enc_key_size(conn, key_size)) return SMP_ENC_KEY_SIZE; + /* If we need MITM check that it can be acheived */ + if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) { + u8 method; + + method = get_auth_method(smp, req->io_capability, + rsp->io_capability); + if (method == JUST_WORKS || method == JUST_CFM) + return SMP_AUTH_REQUIREMENTS; + } + get_random_bytes(smp->prnd, sizeof(smp->prnd)); smp->prsp[0] = SMP_CMD_PAIRING_RSP; @@ -838,6 +867,7 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) struct smp_cmd_pairing cp; struct hci_conn *hcon = conn->hcon; struct smp_chan *smp; + u8 sec_level; BT_DBG("conn %p", conn); @@ -847,7 +877,9 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb) if (!(conn->hcon->link_mode & HCI_LM_MASTER)) return SMP_CMD_NOTSUPP; - hcon->pending_sec_level = authreq_to_seclevel(rp->auth_req); + sec_level = authreq_to_seclevel(rp->auth_req); + if (sec_level > hcon->pending_sec_level) + hcon->pending_sec_level = sec_level; if (smp_ltk_encrypt(conn, hcon->pending_sec_level)) return 0; @@ -901,9 +933,12 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) if (smp_sufficient_security(hcon, sec_level)) return 1; + if (sec_level > hcon->pending_sec_level) + hcon->pending_sec_level = sec_level; + if (hcon->link_mode & HCI_LM_MASTER) - if (smp_ltk_encrypt(conn, sec_level)) - goto done; + if (smp_ltk_encrypt(conn, hcon->pending_sec_level)) + return 0; if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->flags)) return 0; @@ -918,7 +953,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) * requires it. */ if (hcon->io_capability != HCI_IO_NO_INPUT_OUTPUT || - sec_level > BT_SECURITY_MEDIUM) + hcon->pending_sec_level > BT_SECURITY_MEDIUM) authreq |= SMP_AUTH_MITM; if (hcon->link_mode & HCI_LM_MASTER) { @@ -937,9 +972,6 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) set_bit(SMP_FLAG_INITIATOR, &smp->flags); -done: - hcon->pending_sec_level = sec_level; - return 0; } diff --git a/net/core/dev.c b/net/core/dev.c index 30eedf6..7990984 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -148,6 +148,9 @@ struct list_head ptype_all __read_mostly; /* Taps */ static struct list_head offload_base __read_mostly; static int netif_rx_internal(struct sk_buff *skb); +static int call_netdevice_notifiers_info(unsigned long val, + struct net_device *dev, + struct netdev_notifier_info *info); /* * The @dev_base_head list is protected by @dev_base_lock and the rtnl @@ -1207,7 +1210,11 @@ EXPORT_SYMBOL(netdev_features_change); void netdev_state_change(struct net_device *dev) { if (dev->flags & IFF_UP) { - call_netdevice_notifiers(NETDEV_CHANGE, dev); + struct netdev_notifier_change_info change_info; + + change_info.flags_changed = 0; + call_netdevice_notifiers_info(NETDEV_CHANGE, dev, + &change_info.info); rtmsg_ifinfo(RTM_NEWLINK, dev, 0, GFP_KERNEL); } } @@ -4227,9 +4234,8 @@ static int process_backlog(struct napi_struct *napi, int quota) #endif napi->weight = weight_p; local_irq_disable(); - while (work < quota) { + while (1) { struct sk_buff *skb; - unsigned int qlen; while ((skb = __skb_dequeue(&sd->process_queue))) { local_irq_enable(); @@ -4243,24 +4249,24 @@ static int process_backlog(struct napi_struct *napi, int quota) } rps_lock(sd); - qlen = skb_queue_len(&sd->input_pkt_queue); - if (qlen) - skb_queue_splice_tail_init(&sd->input_pkt_queue, - &sd->process_queue); - - if (qlen < quota - work) { + if (skb_queue_empty(&sd->input_pkt_queue)) { /* * Inline a custom version of __napi_complete(). * only current cpu owns and manipulates this napi, - * and NAPI_STATE_SCHED is the only possible flag set on backlog. - * we can use a plain write instead of clear_bit(), + * and NAPI_STATE_SCHED is the only possible flag set + * on backlog. + * We can use a plain write instead of clear_bit(), * and we dont need an smp_mb() memory barrier. */ list_del(&napi->poll_list); napi->state = 0; + rps_unlock(sd); - quota = work + qlen; + break; } + + skb_queue_splice_tail_init(&sd->input_pkt_queue, + &sd->process_queue); rps_unlock(sd); } local_irq_enable(); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 32d872e..559890b 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -3059,11 +3059,12 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p, memset(&t->neigh_vars[NEIGH_VAR_GC_INTERVAL], 0, sizeof(t->neigh_vars[NEIGH_VAR_GC_INTERVAL])); } else { + struct neigh_table *tbl = p->tbl; dev_name_source = "default"; - t->neigh_vars[NEIGH_VAR_GC_INTERVAL].data = (int *)(p + 1); - t->neigh_vars[NEIGH_VAR_GC_THRESH1].data = (int *)(p + 1) + 1; - t->neigh_vars[NEIGH_VAR_GC_THRESH2].data = (int *)(p + 1) + 2; - t->neigh_vars[NEIGH_VAR_GC_THRESH3].data = (int *)(p + 1) + 3; + t->neigh_vars[NEIGH_VAR_GC_INTERVAL].data = &tbl->gc_interval; + t->neigh_vars[NEIGH_VAR_GC_THRESH1].data = &tbl->gc_thresh1; + t->neigh_vars[NEIGH_VAR_GC_THRESH2].data = &tbl->gc_thresh2; + t->neigh_vars[NEIGH_VAR_GC_THRESH3].data = &tbl->gc_thresh3; } if (handler) { diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c index 4e9619b..0485bf7 100644 --- a/net/ipv4/gre_demux.c +++ b/net/ipv4/gre_demux.c @@ -68,6 +68,7 @@ void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi, skb_push(skb, hdr_len); + skb_reset_transport_header(skb); greh = (struct gre_base_hdr *)skb->data; greh->flags = tnl_flags_to_gre_flags(tpi->flags); greh->protocol = tpi->proto; diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 79c3d94..42b7bcf 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -739,8 +739,6 @@ static void icmp_unreach(struct sk_buff *skb) /* fall through */ case 0: info = ntohs(icmph->un.frag.mtu); - if (!info) - goto out; } break; case ICMP_SR_FAILED: diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 6748d42..db710b0 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1944,6 +1944,10 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr) rtnl_lock(); in_dev = ip_mc_find_dev(net, imr); + if (!in_dev) { + ret = -ENODEV; + goto out; + } ifindex = imr->imr_ifindex; for (imlp = &inet->mc_list; (iml = rtnl_dereference(*imlp)) != NULL; @@ -1961,16 +1965,14 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr) *imlp = iml->next_rcu; - if (in_dev) - ip_mc_dec_group(in_dev, group); + ip_mc_dec_group(in_dev, group); rtnl_unlock(); /* decrease mem now to avoid the memleak warning */ atomic_sub(sizeof(*iml), &sk->sk_omem_alloc); kfree_rcu(iml, rcu); return 0; } - if (!in_dev) - ret = -ENODEV; +out: rtnl_unlock(); return ret; } diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 54b6731..6f9de61 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -169,6 +169,7 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn, hlist_for_each_entry_rcu(t, head, hash_node) { if (remote != t->parms.iph.daddr || + t->parms.iph.saddr != 0 || !(t->dev->flags & IFF_UP)) continue; @@ -185,10 +186,11 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn, head = &itn->tunnels[hash]; hlist_for_each_entry_rcu(t, head, hash_node) { - if ((local != t->parms.iph.saddr && - (local != t->parms.iph.daddr || - !ipv4_is_multicast(local))) || - !(t->dev->flags & IFF_UP)) + if ((local != t->parms.iph.saddr || t->parms.iph.daddr != 0) && + (local != t->parms.iph.daddr || !ipv4_is_multicast(local))) + continue; + + if (!(t->dev->flags & IFF_UP)) continue; if (!ip_tunnel_key_match(&t->parms, flags, key)) @@ -205,6 +207,8 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn, hlist_for_each_entry_rcu(t, head, hash_node) { if (t->parms.i_key != key || + t->parms.iph.saddr != 0 || + t->parms.iph.daddr != 0 || !(t->dev->flags & IFF_UP)) continue; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 082239f..3162ea9 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1010,7 +1010,7 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) const struct iphdr *iph = (const struct iphdr *) skb->data; struct flowi4 fl4; struct rtable *rt; - struct dst_entry *dst; + struct dst_entry *odst = NULL; bool new = false; bh_lock_sock(sk); @@ -1018,16 +1018,17 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) if (!ip_sk_accept_pmtu(sk)) goto out; - rt = (struct rtable *) __sk_dst_get(sk); + odst = sk_dst_get(sk); - if (sock_owned_by_user(sk) || !rt) { + if (sock_owned_by_user(sk) || !odst) { __ipv4_sk_update_pmtu(skb, sk, mtu); goto out; } __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0); - if (!__sk_dst_check(sk, 0)) { + rt = (struct rtable *)odst; + if (odst->obsolete && odst->ops->check(odst, 0) == NULL) { rt = ip_route_output_flow(sock_net(sk), &fl4, sk); if (IS_ERR(rt)) goto out; @@ -1037,8 +1038,7 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) __ip_rt_update_pmtu((struct rtable *) rt->dst.path, &fl4, mtu); - dst = dst_check(&rt->dst, 0); - if (!dst) { + if (!dst_check(&rt->dst, 0)) { if (new) dst_release(&rt->dst); @@ -1050,10 +1050,11 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) } if (new) - __sk_dst_set(sk, &rt->dst); + sk_dst_set(sk, &rt->dst); out: bh_unlock_sock(sk); + dst_release(odst); } EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index eb1dde3..9d2118e 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1108,7 +1108,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, if (unlikely(tp->repair)) { if (tp->repair_queue == TCP_RECV_QUEUE) { copied = tcp_send_rcvq(sk, msg, size); - goto out; + goto out_nopush; } err = -EINVAL; @@ -1282,6 +1282,7 @@ wait_for_memory: out: if (copied) tcp_push(sk, flags, mss_now, tp->nonagle, size_goal); +out_nopush: release_sock(sk); return copied + copied_syn; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index b5c2375..40639c2 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1106,7 +1106,7 @@ static bool tcp_check_dsack(struct sock *sk, const struct sk_buff *ack_skb, } /* D-SACK for already forgotten data... Do dumb counting. */ - if (dup_sack && tp->undo_marker && tp->undo_retrans && + if (dup_sack && tp->undo_marker && tp->undo_retrans > 0 && !after(end_seq_0, prior_snd_una) && after(end_seq_0, tp->undo_marker)) tp->undo_retrans--; @@ -1187,7 +1187,7 @@ static u8 tcp_sacktag_one(struct sock *sk, /* Account D-SACK for retransmitted packet. */ if (dup_sack && (sacked & TCPCB_RETRANS)) { - if (tp->undo_marker && tp->undo_retrans && + if (tp->undo_marker && tp->undo_retrans > 0 && after(end_seq, tp->undo_marker)) tp->undo_retrans--; if (sacked & TCPCB_SACKED_ACKED) @@ -1893,7 +1893,7 @@ static void tcp_clear_retrans_partial(struct tcp_sock *tp) tp->lost_out = 0; tp->undo_marker = 0; - tp->undo_retrans = 0; + tp->undo_retrans = -1; } void tcp_clear_retrans(struct tcp_sock *tp) @@ -2665,7 +2665,7 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack) tp->prior_ssthresh = 0; tp->undo_marker = tp->snd_una; - tp->undo_retrans = tp->retrans_out; + tp->undo_retrans = tp->retrans_out ? : -1; if (inet_csk(sk)->icsk_ca_state < TCP_CA_CWR) { if (!ece_ack) diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index d92bce0..179b51e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2525,8 +2525,6 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) if (!tp->retrans_stamp) tp->retrans_stamp = TCP_SKB_CB(skb)->when; - tp->undo_retrans += tcp_skb_pcount(skb); - /* snd_nxt is stored to detect loss of retransmitted segment, * see tcp_input.c tcp_sacktag_write_queue(). */ @@ -2534,6 +2532,10 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) } else if (err != -EBUSY) { NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL); } + + if (tp->undo_retrans < 0) + tp->undo_retrans = 0; + tp->undo_retrans += tcp_skb_pcount(skb); return err; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d92f94b..7d5a866 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1588,8 +1588,11 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) goto csum_error; - if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) + if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) { + UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, + is_udplite); goto drop; + } rc = 0; diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 08b367c..617f095 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -1301,8 +1301,17 @@ int igmp6_event_query(struct sk_buff *skb) len = ntohs(ipv6_hdr(skb)->payload_len) + sizeof(struct ipv6hdr); len -= skb_network_header_len(skb); - /* Drop queries with not link local source */ - if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL)) + /* RFC3810 6.2 + * Upon reception of an MLD message that contains a Query, the node + * checks if the source address of the message is a valid link-local + * address, if the Hop Limit is set to 1, and if the Router Alert + * option is present in the Hop-By-Hop Options header of the IPv6 + * packet. If any of these checks fails, the packet is dropped. + */ + if (!(ipv6_addr_type(&ipv6_hdr(skb)->saddr) & IPV6_ADDR_LINKLOCAL) || + ipv6_hdr(skb)->hop_limit != 1 || + !(IP6CB(skb)->flags & IP6SKB_ROUTERALERT) || + IP6CB(skb)->ra != htons(IPV6_OPT_ROUTERALERT_MLD)) return -EINVAL; idev = __in6_dev_get(skb->dev); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 95c8347..7092ff7 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -674,8 +674,11 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) goto csum_error; } - if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) + if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) { + UDP6_INC_STATS_BH(sock_net(sk), + UDP_MIB_RCVBUFERRORS, is_udplite); goto drop; + } skb_dst_drop(skb); @@ -690,6 +693,7 @@ int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) bh_unlock_sock(sk); return rc; + csum_error: UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); drop: diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 950909f..13752d9 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -1365,7 +1365,7 @@ static int pppol2tp_setsockopt(struct socket *sock, int level, int optname, int err; if (level != SOL_PPPOL2TP) - return udp_prot.setsockopt(sk, level, optname, optval, optlen); + return -EINVAL; if (optlen < sizeof(int)) return -EINVAL; @@ -1491,7 +1491,7 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname, struct pppol2tp_session *ps; if (level != SOL_PPPOL2TP) - return udp_prot.getsockopt(sk, level, optname, optval, optlen); + return -EINVAL; if (get_user(len, optlen)) return -EFAULT; diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 6886601..a6cda52 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1096,11 +1096,12 @@ void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata, int err; /* 24 + 6 = header + auth_algo + auth_transaction + status_code */ - skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 6 + extra_len); + skb = dev_alloc_skb(local->hw.extra_tx_headroom + IEEE80211_WEP_IV_LEN + + 24 + 6 + extra_len + IEEE80211_WEP_ICV_LEN); if (!skb) return; - skb_reserve(skb, local->hw.extra_tx_headroom); + skb_reserve(skb, local->hw.extra_tx_headroom + IEEE80211_WEP_IV_LEN); mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6); memset(mgmt, 0, 24 + 6); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 15c731f..e6fac7e 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -636,7 +636,7 @@ static unsigned int netlink_poll(struct file *file, struct socket *sock, while (nlk->cb_running && netlink_dump_space(nlk)) { err = netlink_dump(sk); if (err < 0) { - sk->sk_err = err; + sk->sk_err = -err; sk->sk_error_report(sk); break; } @@ -2483,7 +2483,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) { ret = netlink_dump(sk); if (ret) { - sk->sk_err = ret; + sk->sk_err = -ret; sk->sk_error_report(sk); } } diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index c36856a..e70d8b1 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -551,6 +551,8 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb, case OVS_ACTION_ATTR_SAMPLE: err = sample(dp, skb, a); + if (unlikely(err)) /* skb already freed. */ + return err; break; } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index 0d407bc..9db4bf6 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2013 Nicira, Inc. + * Copyright (c) 2007-2014 Nicira, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -276,7 +276,7 @@ void ovs_dp_process_received_packet(struct vport *p, struct sk_buff *skb) OVS_CB(skb)->flow = flow; OVS_CB(skb)->pkt_key = &key; - ovs_flow_stats_update(OVS_CB(skb)->flow, skb); + ovs_flow_stats_update(OVS_CB(skb)->flow, key.tp.flags, skb); ovs_execute_actions(dp, skb); stats_counter = &stats->n_hit; @@ -889,8 +889,11 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info) } /* The unmasked key has to be the same for flow updates. */ if (unlikely(!ovs_flow_cmp_unmasked_key(flow, &match))) { - error = -EEXIST; - goto err_unlock_ovs; + flow = ovs_flow_tbl_lookup_exact(&dp->table, &match); + if (!flow) { + error = -ENOENT; + goto err_unlock_ovs; + } } /* Update actions. */ old_acts = ovsl_dereference(flow->sf_acts); @@ -981,16 +984,12 @@ static int ovs_flow_cmd_set(struct sk_buff *skb, struct genl_info *info) goto err_unlock_ovs; } /* Check that the flow exists. */ - flow = ovs_flow_tbl_lookup(&dp->table, &key); + flow = ovs_flow_tbl_lookup_exact(&dp->table, &match); if (unlikely(!flow)) { error = -ENOENT; goto err_unlock_ovs; } - /* The unmasked key has to be the same for flow updates. */ - if (unlikely(!ovs_flow_cmp_unmasked_key(flow, &match))) { - error = -EEXIST; - goto err_unlock_ovs; - } + /* Update actions, if present. */ if (likely(acts)) { old_acts = ovsl_dereference(flow->sf_acts); @@ -1063,8 +1062,8 @@ static int ovs_flow_cmd_get(struct sk_buff *skb, struct genl_info *info) goto unlock; } - flow = ovs_flow_tbl_lookup(&dp->table, &key); - if (!flow || !ovs_flow_cmp_unmasked_key(flow, &match)) { + flow = ovs_flow_tbl_lookup_exact(&dp->table, &match); + if (!flow) { err = -ENOENT; goto unlock; } @@ -1113,8 +1112,8 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info) goto unlock; } - flow = ovs_flow_tbl_lookup(&dp->table, &key); - if (unlikely(!flow || !ovs_flow_cmp_unmasked_key(flow, &match))) { + flow = ovs_flow_tbl_lookup_exact(&dp->table, &match); + if (unlikely(!flow)) { err = -ENOENT; goto unlock; } diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 334751c..d07ab53 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -61,10 +61,10 @@ u64 ovs_flow_used_time(unsigned long flow_jiffies) #define TCP_FLAGS_BE16(tp) (*(__be16 *)&tcp_flag_word(tp) & htons(0x0FFF)) -void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb) +void ovs_flow_stats_update(struct sw_flow *flow, __be16 tcp_flags, + struct sk_buff *skb) { struct flow_stats *stats; - __be16 tcp_flags = flow->key.tp.flags; int node = numa_node_id(); stats = rcu_dereference(flow->stats[node]); diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h index ac395d2..5e5aaed 100644 --- a/net/openvswitch/flow.h +++ b/net/openvswitch/flow.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2013 Nicira, Inc. + * Copyright (c) 2007-2014 Nicira, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -180,7 +180,8 @@ struct arp_eth_header { unsigned char ar_tip[4]; /* target IP address */ } __packed; -void ovs_flow_stats_update(struct sw_flow *, struct sk_buff *); +void ovs_flow_stats_update(struct sw_flow *, __be16 tcp_flags, + struct sk_buff *); void ovs_flow_stats_get(const struct sw_flow *, struct ovs_flow_stats *, unsigned long *used, __be16 *tcp_flags); void ovs_flow_stats_clear(struct sw_flow *); diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index 574c3ab..cf2d853 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -456,6 +456,22 @@ struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *tbl, return ovs_flow_tbl_lookup_stats(tbl, key, &n_mask_hit); } +struct sw_flow *ovs_flow_tbl_lookup_exact(struct flow_table *tbl, + struct sw_flow_match *match) +{ + struct table_instance *ti = rcu_dereference_ovsl(tbl->ti); + struct sw_flow_mask *mask; + struct sw_flow *flow; + + /* Always called under ovs-mutex. */ + list_for_each_entry(mask, &tbl->mask_list, list) { + flow = masked_flow_lookup(ti, match->key, mask); + if (flow && ovs_flow_cmp_unmasked_key(flow, match)) /* Found */ + return flow; + } + return NULL; +} + int ovs_flow_tbl_num_masks(const struct flow_table *table) { struct sw_flow_mask *mask; diff --git a/net/openvswitch/flow_table.h b/net/openvswitch/flow_table.h index ca8a582..5918bff 100644 --- a/net/openvswitch/flow_table.h +++ b/net/openvswitch/flow_table.h @@ -76,7 +76,8 @@ struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *, u32 *n_mask_hit); struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *, const struct sw_flow_key *); - +struct sw_flow *ovs_flow_tbl_lookup_exact(struct flow_table *tbl, + struct sw_flow_match *match); bool ovs_flow_cmp_unmasked_key(const struct sw_flow *flow, struct sw_flow_match *match); diff --git a/net/openvswitch/vport-gre.c b/net/openvswitch/vport-gre.c index 35ec4fe..f49148a 100644 --- a/net/openvswitch/vport-gre.c +++ b/net/openvswitch/vport-gre.c @@ -110,6 +110,22 @@ static int gre_rcv(struct sk_buff *skb, return PACKET_RCVD; } +/* Called with rcu_read_lock and BH disabled. */ +static int gre_err(struct sk_buff *skb, u32 info, + const struct tnl_ptk_info *tpi) +{ + struct ovs_net *ovs_net; + struct vport *vport; + + ovs_net = net_generic(dev_net(skb->dev), ovs_net_id); + vport = rcu_dereference(ovs_net->vport_net.gre_vport); + + if (unlikely(!vport)) + return PACKET_REJECT; + else + return PACKET_RCVD; +} + static int gre_tnl_send(struct vport *vport, struct sk_buff *skb) { struct net *net = ovs_dp_get_net(vport->dp); @@ -186,6 +202,7 @@ error: static struct gre_cisco_protocol gre_protocol = { .handler = gre_rcv, + .err_handler = gre_err, .priority = 1, }; diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index 85c6465..b6842fd 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -366,9 +366,10 @@ fail: * specification [SCTP] and any extensions for a list of possible * error formats. */ -struct sctp_ulpevent *sctp_ulpevent_make_remote_error( - const struct sctp_association *asoc, struct sctp_chunk *chunk, - __u16 flags, gfp_t gfp) +struct sctp_ulpevent * +sctp_ulpevent_make_remote_error(const struct sctp_association *asoc, + struct sctp_chunk *chunk, __u16 flags, + gfp_t gfp) { struct sctp_ulpevent *event; struct sctp_remote_error *sre; @@ -387,8 +388,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error( /* Copy the skb to a new skb with room for us to prepend * notification with. */ - skb = skb_copy_expand(chunk->skb, sizeof(struct sctp_remote_error), - 0, gfp); + skb = skb_copy_expand(chunk->skb, sizeof(*sre), 0, gfp); /* Pull off the rest of the cause TLV from the chunk. */ skb_pull(chunk->skb, elen); @@ -399,62 +399,21 @@ struct sctp_ulpevent *sctp_ulpevent_make_remote_error( event = sctp_skb2event(skb); sctp_ulpevent_init(event, MSG_NOTIFICATION, skb->truesize); - sre = (struct sctp_remote_error *) - skb_push(skb, sizeof(struct sctp_remote_error)); + sre = (struct sctp_remote_error *) skb_push(skb, sizeof(*sre)); /* Trim the buffer to the right length. */ - skb_trim(skb, sizeof(struct sctp_remote_error) + elen); + skb_trim(skb, sizeof(*sre) + elen); - /* Socket Extensions for SCTP - * 5.3.1.3 SCTP_REMOTE_ERROR - * - * sre_type: - * It should be SCTP_REMOTE_ERROR. - */ + /* RFC6458, Section 6.1.3. SCTP_REMOTE_ERROR */ + memset(sre, 0, sizeof(*sre)); sre->sre_type = SCTP_REMOTE_ERROR; - - /* - * Socket Extensions for SCTP - * 5.3.1.3 SCTP_REMOTE_ERROR - * - * sre_flags: 16 bits (unsigned integer) - * Currently unused. - */ sre->sre_flags = 0; - - /* Socket Extensions for SCTP - * 5.3.1.3 SCTP_REMOTE_ERROR - * - * sre_length: sizeof (__u32) - * - * This field is the total length of the notification data, - * including the notification header. - */ sre->sre_length = skb->len; - - /* Socket Extensions for SCTP - * 5.3.1.3 SCTP_REMOTE_ERROR - * - * sre_error: 16 bits (unsigned integer) - * This value represents one of the Operational Error causes defined in - * the SCTP specification, in network byte order. - */ sre->sre_error = cause; - - /* Socket Extensions for SCTP - * 5.3.1.3 SCTP_REMOTE_ERROR - * - * sre_assoc_id: sizeof (sctp_assoc_t) - * - * The association id field, holds the identifier for the association. - * All notifications for a given association have the same association - * identifier. For TCP style socket, this field is ignored. - */ sctp_ulpevent_set_owner(event, asoc); sre->sre_assoc_id = sctp_assoc2id(asoc); return event; - fail: return NULL; } @@ -899,7 +858,9 @@ __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event) return notification->sn_header.sn_type; } -/* Copy out the sndrcvinfo into a msghdr. */ +/* RFC6458, Section 5.3.2. SCTP Header Information Structure + * (SCTP_SNDRCV, DEPRECATED) + */ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, struct msghdr *msghdr) { @@ -908,74 +869,21 @@ void sctp_ulpevent_read_sndrcvinfo(const struct sctp_ulpevent *event, if (sctp_ulpevent_is_notification(event)) return; - /* Sockets API Extensions for SCTP - * Section 5.2.2 SCTP Header Information Structure (SCTP_SNDRCV) - * - * sinfo_stream: 16 bits (unsigned integer) - * - * For recvmsg() the SCTP stack places the message's stream number in - * this value. - */ + memset(&sinfo, 0, sizeof(sinfo)); sinfo.sinfo_stream = event->stream; - /* sinfo_ssn: 16 bits (unsigned integer) - * - * For recvmsg() this value contains the stream sequence number that - * the remote endpoint placed in the DATA chunk. For fragmented - * messages this is the same number for all deliveries of the message - * (if more than one recvmsg() is needed to read the message). - */ sinfo.sinfo_ssn = event->ssn; - /* sinfo_ppid: 32 bits (unsigned integer) - * - * In recvmsg() this value is - * the same information that was passed by the upper layer in the peer - * application. Please note that byte order issues are NOT accounted - * for and this information is passed opaquely by the SCTP stack from - * one end to the other. - */ sinfo.sinfo_ppid = event->ppid; - /* sinfo_flags: 16 bits (unsigned integer) - * - * This field may contain any of the following flags and is composed of - * a bitwise OR of these values. - * - * recvmsg() flags: - * - * SCTP_UNORDERED - This flag is present when the message was sent - * non-ordered. - */ sinfo.sinfo_flags = event->flags; - /* sinfo_tsn: 32 bit (unsigned integer) - * - * For the receiving side, this field holds a TSN that was - * assigned to one of the SCTP Data Chunks. - */ sinfo.sinfo_tsn = event->tsn; - /* sinfo_cumtsn: 32 bit (unsigned integer) - * - * This field will hold the current cumulative TSN as - * known by the underlying SCTP layer. Note this field is - * ignored when sending and only valid for a receive - * operation when sinfo_flags are set to SCTP_UNORDERED. - */ sinfo.sinfo_cumtsn = event->cumtsn; - /* sinfo_assoc_id: sizeof (sctp_assoc_t) - * - * The association handle field, sinfo_assoc_id, holds the identifier - * for the association announced in the COMMUNICATION_UP notification. - * All notifications for a given association have the same identifier. - * Ignored for one-to-one style sockets. - */ sinfo.sinfo_assoc_id = sctp_assoc2id(event->asoc); - - /* context value that is set via SCTP_CONTEXT socket option. */ + /* Context value that is set via SCTP_CONTEXT socket option. */ sinfo.sinfo_context = event->asoc->default_rcv_context; - /* These fields are not used while receiving. */ sinfo.sinfo_timetolive = 0; put_cmsg(msghdr, IPPROTO_SCTP, SCTP_SNDRCV, - sizeof(struct sctp_sndrcvinfo), (void *)&sinfo); + sizeof(sinfo), &sinfo); } /* Do accounting for bytes received and hold a reference to the association diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 2663167..55c6c9d 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -559,6 +559,7 @@ receive: buf = node->bclink.deferred_head; node->bclink.deferred_head = buf->next; + buf->next = NULL; node->bclink.deferred_size--; goto receive; } diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 8be6e94..0a37a47 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -101,9 +101,11 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, } /* tipc_buf_append(): Append a buffer to the fragment list of another buffer - * Let first buffer become head buffer - * Returns 1 and sets *buf to headbuf if chain is complete, otherwise 0 - * Leaves headbuf pointer at NULL if failure + * @*headbuf: in: NULL for first frag, otherwise value returned from prev call + * out: set when successful non-complete reassembly, otherwise NULL + * @*buf: in: the buffer to append. Always defined + * out: head buf after sucessful complete reassembly, otherwise NULL + * Returns 1 when reassembly complete, otherwise 0 */ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) { @@ -122,6 +124,7 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) goto out_free; head = *headbuf = frag; skb_frag_list_init(head); + *buf = NULL; return 0; } if (!head) @@ -150,5 +153,7 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) out_free: pr_warn_ratelimited("Unable to build fragment list\n"); kfree_skb(*buf); + kfree_skb(*headbuf); + *buf = *headbuf = NULL; return 0; } diff --git a/net/wireless/core.h b/net/wireless/core.h index e9afbf1..7e3a3ce 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -424,7 +424,7 @@ static inline unsigned int elapsed_jiffies_msecs(unsigned long start) if (end >= start) return jiffies_to_msecs(end - start); - return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); + return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); } void diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index ba4f172..6668daf 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1497,18 +1497,17 @@ static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, } CMD(start_p2p_device, START_P2P_DEVICE); CMD(set_mcast_rate, SET_MCAST_RATE); +#ifdef CONFIG_NL80211_TESTMODE + CMD(testmode_cmd, TESTMODE); +#endif if (state->split) { CMD(crit_proto_start, CRIT_PROTOCOL_START); CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) CMD(channel_switch, CHANNEL_SWITCH); + CMD(set_qos_map, SET_QOS_MAP); } - CMD(set_qos_map, SET_QOS_MAP); - -#ifdef CONFIG_NL80211_TESTMODE - CMD(testmode_cmd, TESTMODE); -#endif - + /* add into the if now */ #undef CMD if (rdev->ops->connect || rdev->ops->auth) { diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 558b0e3..1afdf45 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -935,7 +935,7 @@ freq_reg_info_regd(struct wiphy *wiphy, u32 center_freq, if (!band_rule_found) band_rule_found = freq_in_rule_band(fr, center_freq); - bw_fits = reg_does_bw_fit(fr, center_freq, MHZ_TO_KHZ(5)); + bw_fits = reg_does_bw_fit(fr, center_freq, MHZ_TO_KHZ(20)); if (band_rule_found && bw_fits) return rr; @@ -1019,10 +1019,10 @@ static void chan_reg_rule_print_dbg(const struct ieee80211_regdomain *regd, } #endif -/* Find an ieee80211_reg_rule such that a 5MHz channel with frequency - * chan->center_freq fits there. - * If there is no such reg_rule, disable the channel, otherwise set the - * flags corresponding to the bandwidths allowed in the particular reg_rule +/* + * Note that right now we assume the desired channel bandwidth + * is always 20 MHz for each individual channel (HT40 uses 20 MHz + * per channel, the primary and the extension channel). */ static void handle_channel(struct wiphy *wiphy, enum nl80211_reg_initiator initiator, @@ -1083,12 +1083,8 @@ static void handle_channel(struct wiphy *wiphy, if (reg_rule->flags & NL80211_RRF_AUTO_BW) max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); - if (max_bandwidth_khz < MHZ_TO_KHZ(10)) - bw_flags = IEEE80211_CHAN_NO_10MHZ; - if (max_bandwidth_khz < MHZ_TO_KHZ(20)) - bw_flags |= IEEE80211_CHAN_NO_20MHZ; if (max_bandwidth_khz < MHZ_TO_KHZ(40)) - bw_flags |= IEEE80211_CHAN_NO_HT40; + bw_flags = IEEE80211_CHAN_NO_HT40; if (max_bandwidth_khz < MHZ_TO_KHZ(80)) bw_flags |= IEEE80211_CHAN_NO_80MHZ; if (max_bandwidth_khz < MHZ_TO_KHZ(160)) @@ -1522,12 +1518,8 @@ static void handle_channel_custom(struct wiphy *wiphy, if (reg_rule->flags & NL80211_RRF_AUTO_BW) max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule); - if (max_bandwidth_khz < MHZ_TO_KHZ(10)) - bw_flags = IEEE80211_CHAN_NO_10MHZ; - if (max_bandwidth_khz < MHZ_TO_KHZ(20)) - bw_flags |= IEEE80211_CHAN_NO_20MHZ; if (max_bandwidth_khz < MHZ_TO_KHZ(40)) - bw_flags |= IEEE80211_CHAN_NO_HT40; + bw_flags = IEEE80211_CHAN_NO_HT40; if (max_bandwidth_khz < MHZ_TO_KHZ(80)) bw_flags |= IEEE80211_CHAN_NO_80MHZ; if (max_bandwidth_khz < MHZ_TO_KHZ(160)) diff --git a/scripts/kernel-doc b/scripts/kernel-doc index da058da..16a07cf 100755 --- a/scripts/kernel-doc +++ b/scripts/kernel-doc @@ -2073,6 +2073,7 @@ sub check_return_section { sub dump_function($$) { my $prototype = shift; my $file = shift; + my $noret = 0; $prototype =~ s/^static +//; $prototype =~ s/^extern +//; @@ -2086,7 +2087,7 @@ sub dump_function($$) { $prototype =~ s/__init_or_module +//; $prototype =~ s/__must_check +//; $prototype =~ s/__weak +//; - $prototype =~ s/^#\s*define\s+//; #ak added + my $define = $prototype =~ s/^#\s*define\s+//; #ak added $prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//; # Yes, this truly is vile. We are looking for: @@ -2105,7 +2106,15 @@ sub dump_function($$) { # - atomic_set (macro) # - pci_match_device, __copy_to_user (long return type) - if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || + if ($define && $prototype =~ m/^()([a-zA-Z0-9_~:]+)\s+/) { + # This is an object-like macro, it has no return type and no parameter + # list. + # Function-like macros are not allowed to have spaces between + # declaration_name and opening parenthesis (notice the \s+). + $return_type = $1; + $declaration_name = $2; + $noret = 1; + } elsif ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || $prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || $prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || $prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\(]*)\)/ || @@ -2140,7 +2149,7 @@ sub dump_function($$) { # of warnings goes sufficiently down, the check is only performed in # verbose mode. # TODO: always perform the check. - if ($verbose) { + if ($verbose && !$noret) { check_return_section($file, $declaration_name, $return_type); } diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 480bbdd..6df04d9 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -193,7 +193,8 @@ azx_assign_device(struct azx *chip, struct snd_pcm_substream *substream) dsp_unlock(azx_dev); return azx_dev; } - if (!res) + if (!res || + (chip->driver_caps & AZX_DCAPS_REVERSE_ASSIGN)) res = azx_dev; } dsp_unlock(azx_dev); diff --git a/sound/pci/hda/hda_i915.c b/sound/pci/hda/hda_i915.c index e9e8a4a..8b4940b 100644 --- a/sound/pci/hda/hda_i915.c +++ b/sound/pci/hda/hda_i915.c @@ -20,10 +20,20 @@ #include <linux/module.h> #include <sound/core.h> #include <drm/i915_powerwell.h> +#include "hda_priv.h" #include "hda_i915.h" +/* Intel HSW/BDW display HDA controller Extended Mode registers. + * EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display + * Clock) to 24MHz BCLK: BCLK = CDCLK * M / N + * The values will be lost when the display power well is disabled. + */ +#define ICH6_REG_EM4 0x100c +#define ICH6_REG_EM5 0x1010 + static int (*get_power)(void); static int (*put_power)(void); +static int (*get_cdclk)(void); int hda_display_power(bool enable) { @@ -38,6 +48,43 @@ int hda_display_power(bool enable) return put_power(); } +void haswell_set_bclk(struct azx *chip) +{ + int cdclk_freq; + unsigned int bclk_m, bclk_n; + + if (!get_cdclk) + return; + + cdclk_freq = get_cdclk(); + switch (cdclk_freq) { + case 337500: + bclk_m = 16; + bclk_n = 225; + break; + + case 450000: + default: /* default CDCLK 450MHz */ + bclk_m = 4; + bclk_n = 75; + break; + + case 540000: + bclk_m = 4; + bclk_n = 90; + break; + + case 675000: + bclk_m = 8; + bclk_n = 225; + break; + } + + azx_writew(chip, EM4, bclk_m); + azx_writew(chip, EM5, bclk_n); +} + + int hda_i915_init(void) { int err = 0; @@ -55,6 +102,10 @@ int hda_i915_init(void) return -ENODEV; } + get_cdclk = symbol_request(i915_get_cdclk_freq); + if (!get_cdclk) /* may have abnormal BCLK and audio playback rate */ + pr_warn("hda-i915: get_cdclk symbol get fail\n"); + pr_debug("HDA driver get symbol successfully from i915 module\n"); return err; @@ -70,6 +121,10 @@ int hda_i915_exit(void) symbol_put(i915_release_power_well); put_power = NULL; } + if (get_cdclk) { + symbol_put(i915_get_cdclk_freq); + get_cdclk = NULL; + } return 0; } diff --git a/sound/pci/hda/hda_i915.h b/sound/pci/hda/hda_i915.h index bfd835f..e6072c6 100644 --- a/sound/pci/hda/hda_i915.h +++ b/sound/pci/hda/hda_i915.h @@ -18,10 +18,12 @@ #ifdef CONFIG_SND_HDA_I915 int hda_display_power(bool enable); +void haswell_set_bclk(struct azx *chip); int hda_i915_init(void); int hda_i915_exit(void); #else static inline int hda_display_power(bool enable) { return 0; } +static inline void haswell_set_bclk(struct azx *chip) { return; } static inline int hda_i915_init(void) { return -ENODEV; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 25753db..83cd190 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -62,9 +62,9 @@ #include <linux/vga_switcheroo.h> #include <linux/firmware.h> #include "hda_codec.h" -#include "hda_i915.h" #include "hda_controller.h" #include "hda_priv.h" +#include "hda_i915.h" static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; @@ -227,7 +227,7 @@ enum { /* quirks for Intel PCH */ #define AZX_DCAPS_INTEL_PCH_NOPM \ (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \ - AZX_DCAPS_COUNT_LPIB_DELAY) + AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_REVERSE_ASSIGN) #define AZX_DCAPS_INTEL_PCH \ (AZX_DCAPS_INTEL_PCH_NOPM | AZX_DCAPS_PM_RUNTIME) @@ -288,21 +288,8 @@ static char *driver_short_names[] = { [AZX_DRIVER_GENERIC] = "HD-Audio Generic", }; - -/* Intel HSW/BDW display HDA controller Extended Mode registers. - * EM4 (M value) and EM5 (N Value) are used to convert CDClk (Core Display - * Clock) to 24MHz BCLK: BCLK = CDCLK * M / N - * The values will be lost when the display power well is disabled. - */ -#define ICH6_REG_EM4 0x100c -#define ICH6_REG_EM5 0x1010 - struct hda_intel { struct azx chip; - - /* HSW/BDW display HDA controller to restore BCLK from CDCLK */ - unsigned int bclk_m; - unsigned int bclk_n; }; @@ -598,22 +585,6 @@ static int param_set_xint(const char *val, const struct kernel_param *kp) #define azx_del_card_list(chip) /* NOP */ #endif /* CONFIG_PM */ -static void haswell_save_bclk(struct azx *chip) -{ - struct hda_intel *hda = container_of(chip, struct hda_intel, chip); - - hda->bclk_m = azx_readw(chip, EM4); - hda->bclk_n = azx_readw(chip, EM5); -} - -static void haswell_restore_bclk(struct azx *chip) -{ - struct hda_intel *hda = container_of(chip, struct hda_intel, chip); - - azx_writew(chip, EM4, hda->bclk_m); - azx_writew(chip, EM5, hda->bclk_n); -} - #if defined(CONFIG_PM_SLEEP) || defined(SUPPORT_VGA_SWITCHEROO) /* * power management @@ -625,7 +596,7 @@ static int azx_suspend(struct device *dev) struct azx *chip = card->private_data; struct azx_pcm *p; - if (chip->disabled) + if (chip->disabled || chip->init_failed) return 0; snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); @@ -641,12 +612,6 @@ static int azx_suspend(struct device *dev) chip->irq = -1; } - /* Save BCLK M/N values before they become invalid in D3. - * Will test if display power well can be released now. - */ - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) - haswell_save_bclk(chip); - if (chip->msi) pci_disable_msi(chip->pci); pci_disable_device(pci); @@ -663,12 +628,12 @@ static int azx_resume(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; - if (chip->disabled) + if (chip->disabled || chip->init_failed) return 0; if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { hda_display_power(true); - haswell_restore_bclk(chip); + haswell_set_bclk(chip); } pci_set_power_state(pci, PCI_D0); pci_restore_state(pci); @@ -700,7 +665,7 @@ static int azx_runtime_suspend(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; - if (chip->disabled) + if (chip->disabled || chip->init_failed) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) @@ -713,10 +678,9 @@ static int azx_runtime_suspend(struct device *dev) azx_stop_chip(chip); azx_enter_link_reset(chip); azx_clear_irq_pending(chip); - if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { - haswell_save_bclk(chip); + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) hda_display_power(false); - } + return 0; } @@ -728,7 +692,7 @@ static int azx_runtime_resume(struct device *dev) struct hda_codec *codec; int status; - if (chip->disabled) + if (chip->disabled || chip->init_failed) return 0; if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME)) @@ -736,7 +700,7 @@ static int azx_runtime_resume(struct device *dev) if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) { hda_display_power(true); - haswell_restore_bclk(chip); + haswell_set_bclk(chip); } /* Read STATESTS before controller reset */ @@ -765,7 +729,7 @@ static int azx_runtime_idle(struct device *dev) struct snd_card *card = dev_get_drvdata(dev); struct azx *chip = card->private_data; - if (chip->disabled) + if (chip->disabled || chip->init_failed) return 0; if (!power_save_controller || @@ -1426,6 +1390,10 @@ static int azx_first_init(struct azx *chip) /* initialize chip */ azx_init_pci(chip); + + if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) + haswell_set_bclk(chip); + azx_init_chip(chip, (probe_only[dev] & 2) == 0); /* codec detection */ diff --git a/sound/pci/hda/hda_priv.h b/sound/pci/hda/hda_priv.h index 4a7cb01..e9d1a57 100644 --- a/sound/pci/hda/hda_priv.h +++ b/sound/pci/hda/hda_priv.h @@ -186,6 +186,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 }; #define AZX_DCAPS_BUFSIZE (1 << 21) /* no buffer size alignment */ #define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */ #define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */ +#define AZX_DCAPS_REVERSE_ASSIGN (1 << 24) /* Assign devices in reverse order */ #define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */ #define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */ #define AZX_DCAPS_I915_POWERWELL (1 << 27) /* HSW i915 powerwell support */ diff --git a/sound/pci/hda/hda_tegra.c b/sound/pci/hda/hda_tegra.c index a366ba9..358414d 100644 --- a/sound/pci/hda/hda_tegra.c +++ b/sound/pci/hda/hda_tegra.c @@ -236,6 +236,7 @@ disable_hda: return rc; } +#ifdef CONFIG_PM_SLEEP static void hda_tegra_disable_clocks(struct hda_tegra *data) { clk_disable_unprepare(data->hda2hdmi_clk); @@ -243,7 +244,6 @@ static void hda_tegra_disable_clocks(struct hda_tegra *data) clk_disable_unprepare(data->hda_clk); } -#ifdef CONFIG_PM_SLEEP /* * power management */ diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 4fe876b..ba4ca52 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -3337,6 +3337,7 @@ static const struct hda_codec_preset snd_hda_preset_hdmi[] = { { .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch }, +{ .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi }, { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, @@ -3394,6 +3395,7 @@ MODULE_ALIAS("snd-hda-codec-id:10de0044"); MODULE_ALIAS("snd-hda-codec-id:10de0051"); MODULE_ALIAS("snd-hda-codec-id:10de0060"); MODULE_ALIAS("snd-hda-codec-id:10de0067"); +MODULE_ALIAS("snd-hda-codec-id:10de0070"); MODULE_ALIAS("snd-hda-codec-id:10de0071"); MODULE_ALIAS("snd-hda-codec-id:10de8001"); MODULE_ALIAS("snd-hda-codec-id:11069f80"); diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 1c654ef..b60824e 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4880,6 +4880,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK), SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad T440s", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x220e, "Thinkpad T440p", ALC292_FIXUP_TPT440_DOCK), + SND_PCI_QUIRK(0x17aa, 0x2210, "Thinkpad T540p", ALC292_FIXUP_TPT440_DOCK), SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), @@ -5085,6 +5086,18 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { {0x1b, 0x411111f0}, {0x1d, 0x40700001}, {0x1e, 0x411111f0}), + SND_HDA_PIN_QUIRK(0x10ec0293, 0x1028, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE, + {0x12, 0x40000000}, + {0x13, 0x90a60140}, + {0x14, 0x90170110}, + {0x15, 0x0221401f}, + {0x16, 0x411111f0}, + {0x18, 0x411111f0}, + {0x19, 0x411111f0}, + {0x1a, 0x411111f0}, + {0x1b, 0x411111f0}, + {0x1d, 0x40700001}, + {0x1e, 0x411111f0}), {} }; diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index 0849b7b..0db94f49 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -59,7 +59,6 @@ int imx_pcm_dma_init(struct platform_device *pdev) { return devm_snd_dmaengine_pcm_register(&pdev->dev, &imx_dmaengine_pcm_config, - SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | SND_DMAENGINE_PCM_FLAG_COMPAT); } EXPORT_SYMBOL_GPL(imx_pcm_dma_init); diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 52c03fb..04a229a 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -17,6 +17,7 @@ #include "../util.h" #include "../ui.h" #include "map.h" +#include "annotate.h" struct hist_browser { struct ui_browser b; @@ -1593,13 +1594,18 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, bi->to.sym->name) > 0) annotate_t = nr_options++; } else { - if (browser->selection != NULL && browser->selection->sym != NULL && - !browser->selection->map->dso->annotate_warned && - asprintf(&options[nr_options], "Annotate %s", - browser->selection->sym->name) > 0) - annotate = nr_options++; + !browser->selection->map->dso->annotate_warned) { + struct annotation *notes; + + notes = symbol__annotation(browser->selection->sym); + + if (notes->src && + asprintf(&options[nr_options], "Annotate %s", + browser->selection->sym->name) > 0) + annotate = nr_options++; + } } if (thread != NULL && @@ -1656,6 +1662,7 @@ retry_popup_menu: if (choice == annotate || choice == annotate_t || choice == annotate_f) { struct hist_entry *he; + struct annotation *notes; int err; do_annotate: if (!objdump_path && perf_session_env__lookup_objdump(env)) @@ -1679,6 +1686,10 @@ do_annotate: he->ms.map = he->branch_info->to.map; } + notes = symbol__annotation(he->ms.sym); + if (!notes->src) + continue; + /* * Don't let this be freed, say, by hists__decay_entry. */ diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 0e5fea9..c73e1fc 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -496,18 +496,6 @@ struct process_args { u64 start; }; -static int symbol__in_kernel(void *arg, const char *name, - char type __maybe_unused, u64 start) -{ - struct process_args *args = arg; - - if (strchr(name, '[')) - return 0; - - args->start = start; - return 1; -} - static void machine__get_kallsyms_filename(struct machine *machine, char *buf, size_t bufsz) { @@ -517,27 +505,41 @@ static void machine__get_kallsyms_filename(struct machine *machine, char *buf, scnprintf(buf, bufsz, "%s/proc/kallsyms", machine->root_dir); } -/* Figure out the start address of kernel map from /proc/kallsyms */ -static u64 machine__get_kernel_start_addr(struct machine *machine) +const char *ref_reloc_sym_names[] = {"_text", "_stext", NULL}; + +/* Figure out the start address of kernel map from /proc/kallsyms. + * Returns the name of the start symbol in *symbol_name. Pass in NULL as + * symbol_name if it's not that important. + */ +static u64 machine__get_kernel_start_addr(struct machine *machine, + const char **symbol_name) { char filename[PATH_MAX]; - struct process_args args; + int i; + const char *name; + u64 addr = 0; machine__get_kallsyms_filename(machine, filename, PATH_MAX); if (symbol__restricted_filename(filename, "/proc/kallsyms")) return 0; - if (kallsyms__parse(filename, &args, symbol__in_kernel) <= 0) - return 0; + for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) { + addr = kallsyms__get_function_start(filename, name); + if (addr) + break; + } + + if (symbol_name) + *symbol_name = name; - return args.start; + return addr; } int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel) { enum map_type type; - u64 start = machine__get_kernel_start_addr(machine); + u64 start = machine__get_kernel_start_addr(machine, NULL); for (type = 0; type < MAP__NR_TYPES; ++type) { struct kmap *kmap; @@ -852,23 +854,11 @@ static int machine__create_modules(struct machine *machine) return 0; } -const char *ref_reloc_sym_names[] = {"_text", "_stext", NULL}; - int machine__create_kernel_maps(struct machine *machine) { struct dso *kernel = machine__get_kernel(machine); - char filename[PATH_MAX]; const char *name; - u64 addr = 0; - int i; - - machine__get_kallsyms_filename(machine, filename, PATH_MAX); - - for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) { - addr = kallsyms__get_function_start(filename, name); - if (addr) - break; - } + u64 addr = machine__get_kernel_start_addr(machine, &name); if (!addr) return -1; diff --git a/tools/testing/selftests/cpu-hotplug/Makefile b/tools/testing/selftests/cpu-hotplug/Makefile index ae5faf9..790c23a 100644 --- a/tools/testing/selftests/cpu-hotplug/Makefile +++ b/tools/testing/selftests/cpu-hotplug/Makefile @@ -1,6 +1,6 @@ all: run_tests: - @/bin/sh ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]" + @/bin/bash ./on-off-test.sh || echo "cpu-hotplug selftests: [FAIL]" clean: diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c index aa290c0..552f081 100644 --- a/tools/testing/selftests/ipc/msgque.c +++ b/tools/testing/selftests/ipc/msgque.c @@ -193,6 +193,11 @@ int main(int argc, char **argv) int msg, pid, err; struct msgque_data msgque; + if (getuid() != 0) { + printf("Please run the test as root - Exiting.\n"); + exit(1); + } + msgque.key = ftok(argv[0], 822155650); if (msgque.key == -1) { printf("Can't make key\n"); diff --git a/tools/testing/selftests/memory-hotplug/Makefile b/tools/testing/selftests/memory-hotplug/Makefile index 350bfed..058c76f 100644 --- a/tools/testing/selftests/memory-hotplug/Makefile +++ b/tools/testing/selftests/memory-hotplug/Makefile @@ -1,6 +1,6 @@ all: run_tests: - @/bin/sh ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" + @/bin/bash ./on-off-test.sh || echo "memory-hotplug selftests: [FAIL]" clean: diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile index 4473211..e775adc 100644 --- a/tools/thermal/tmon/Makefile +++ b/tools/thermal/tmon/Makefile @@ -21,7 +21,7 @@ OBJS = tmon.o tui.o sysfs.o pid.o OBJS += tmon: $(OBJS) Makefile tmon.h - $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS) -o $(TARGET) -lm -lpanel -lncursesw -lpthread + $(CC) ${CFLAGS} $(LDFLAGS) $(OBJS) -o $(TARGET) -lm -lpanel -lncursesw -ltinfo -lpthread valgrind: tmon sudo valgrind -v --track-origins=yes --tool=memcheck --leak-check=yes --show-reachable=yes --num-callers=20 --track-fds=yes ./$(TARGET) 1> /dev/null diff --git a/tools/thermal/tmon/tmon.c b/tools/thermal/tmon/tmon.c index b30f531..09b7c32 100644 --- a/tools/thermal/tmon/tmon.c +++ b/tools/thermal/tmon/tmon.c @@ -142,6 +142,7 @@ static void start_syslog(void) static void prepare_logging(void) { int i; + struct stat logstat; if (!logging) return; @@ -152,6 +153,29 @@ static void prepare_logging(void) return; } + if (lstat(TMON_LOG_FILE, &logstat) < 0) { + syslog(LOG_ERR, "Unable to stat log file %s\n", TMON_LOG_FILE); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + /* The log file must be a regular file owned by us */ + if (S_ISLNK(logstat.st_mode)) { + syslog(LOG_ERR, "Log file is a symlink. Will not log\n"); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + if (logstat.st_uid != getuid()) { + syslog(LOG_ERR, "We don't own the log file. Not logging\n"); + fclose(tmon_log); + tmon_log = NULL; + return; + } + + fprintf(tmon_log, "#----------- THERMAL SYSTEM CONFIG -------------\n"); for (i = 0; i < ptdata.nr_tz_sensor; i++) { char binding_str[33]; /* size of long + 1 */ @@ -331,7 +355,7 @@ static void start_daemon_mode() disable_tui(); /* change the file mode mask */ - umask(0); + umask(S_IWGRP | S_IWOTH); /* new SID for the daemon process */ sid = setsid(); diff --git a/tools/usb/ffs-test.c b/tools/usb/ffs-test.c index fe1e66b..a87e99f 100644 --- a/tools/usb/ffs-test.c +++ b/tools/usb/ffs-test.c @@ -116,8 +116,8 @@ static const struct { .header = { .magic = cpu_to_le32(FUNCTIONFS_DESCRIPTORS_MAGIC), .length = cpu_to_le32(sizeof descriptors), - .fs_count = 3, - .hs_count = 3, + .fs_count = cpu_to_le32(3), + .hs_count = cpu_to_le32(3), }, .fs_descs = { .intf = { |