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2014-11-26serial: 8250: don't attempt a trylock if in sysrqRabin Vincent
Attempting to use SysRq via the 8250 serial port with spin lock debugging on on a uniprocessor system results in the following splat: SysRq : BUG: spinlock trylock failure on UP on CPU#0, swapper/0 lock: serial8250_ports+0x0/0x8c0, .magic: dead4ead, .owner: swapper/0, .owner_cpu: 0 CPU: 0 PID: 0 Comm: swapper Not tainted 3.18.0-rc4+ #37 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 ffffffff8245ba00 ffffffff81628b28 ffffffff812c8d27 ffffffff81628b48 ffffffff8106812e ffffffff8245ba00 ffffffff814e22ed ffffffff81628b68 ffffffff810681a6 0000000000000000 0000000000000000 ffffffff81628b88 Call Trace: <IRQ> [<ffffffff812c8d27>] dump_stack+0x19/0x1b [<ffffffff8106812e>] spin_dump+0x7e/0xd0 [<ffffffff810681a6>] spin_bug+0x26/0x30 [<ffffffff8106843c>] do_raw_spin_trylock+0x4c/0x60 [<ffffffff812cdb1d>] _raw_spin_trylock+0x1d/0x60 [<ffffffff812336d8>] serial8250_console_write+0x68/0x190 [<ffffffff811eb0b0>] ? sprintf+0x40/0x50 [<ffffffff8106ab5e>] call_console_drivers.constprop.11+0x9e/0xf0 [<ffffffff8106b276>] console_unlock+0x3e6/0x490 [<ffffffff8106b595>] vprintk_emit+0x275/0x530 [<ffffffff812c869a>] printk+0x4d/0x4f [<ffffffff8121e612>] __handle_sysrq+0x62/0x1b0 [<ffffffff8121e5b5>] ? __handle_sysrq+0x5/0x1b0 [<ffffffff8121ebc6>] handle_sysrq+0x26/0x30 [<ffffffff81233157>] serial8250_rx_chars+0x1d7/0x250 [<ffffffff812338bb>] serial8250_handle_irq+0x7b/0x90 [<ffffffff812338f3>] serial8250_default_handle_irq+0x23/0x30 [<ffffffff812318b3>] serial8250_interrupt+0x63/0xe0 [<ffffffff8106d80e>] handle_irq_event_percpu+0x4e/0x200 [<ffffffff8106da01>] handle_irq_event+0x41/0x70 [<ffffffff810701ee>] ? handle_edge_irq+0x1e/0x110 [<ffffffff8107026e>] handle_edge_irq+0x9e/0x110 [<ffffffff810041c2>] handle_irq+0x22/0x40 [<ffffffff812d096e>] do_IRQ+0x4e/0xf0 [<ffffffff812cf4ed>] common_interrupt+0x6d/0x6d <EOI> [<ffffffff8100acbf>] ? default_idle+0x1f/0xd0 [<ffffffff8100acbd>] ? default_idle+0x1d/0xd0 [<ffffffff8100b61f>] arch_cpu_idle+0xf/0x20 [<ffffffff8105c1db>] cpu_startup_entry+0x25b/0x360 [<ffffffff812c726e>] rest_init+0xbe/0xd0 [<ffffffff816a4dcb>] start_kernel+0x339/0x346 [<ffffffff816a4495>] x86_64_start_reservations+0x2a/0x2c [<ffffffff816a4589>] x86_64_start_kernel+0xf2/0xf6 HELP : loglevel(0-9) reboot(b) crash(c) show-all-locks(d) te... Before ebade5e833eda30 ("serial: 8250: Clean up the locking for -rt") this was handled by not even attempting to try the lock if port->sysrq, since it is known to be taken by the interrupt handler; see https://bugzilla.kernel.org/show_bug.cgi?id=6716#c1. Restore that behavior. Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: core: Add big-endian iotypeKevin Cernekee
Since most drivers interpret UPIO_MEM32 to mean "little-endian" and use readl/writel to access the registers, add a parallel UPIO_MEM32BE to request the use of big-endian MMIO accessors (ioread32be/iowrite32be). Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: samsung: use port->fifosize instead of hardcoded valuesRobert Baldyga
Hardcoded FIFO size can cause hardware performance limitation. Using real size value provides better FIFO usage. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: samsung: prefer to use fifosize from driver dataRobert Baldyga
If we have fifosize set in driver data we prefer to use it instead of default fifosize value (which is always 16). If there is defined fifosize for particular serial we prefer to use it, otherwise we use value from info, which is common for all serials on given platform. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: samsung: fix style problemsRobert Baldyga
Split lines longer than 80 chars and remove unnecessary whitespaces. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: samsung: wait for transfer completion before clock disableRobert Baldyga
This patch adds waiting until transmit buffer and shifter will be empty before clock disabling. Without this fix it's possible to have clock disabled while data was not transmited yet, which causes unproper state of TX line and problems in following data transfers. Cc: <stable@vger.kernel.org> # v2.6.26+ Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: icom: fix error return codeJulia Lawall
Return a negative error code on failure. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e1,e2; @@ ( if (\(ret < 0\|ret != 0\)) { ... return ret; } | ret = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: tegra: clean up tty-flag assignmentsJohan Hovold
The tty break and error flags are not bit masks so do not to use bitwise OR when assigning them. Note that there is no functional change due to the if-else construct and flag having been initialised to zero (TTY_NORMAL). Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: Fix io address assign flow with Fintek PCI-to-UART ProductPeter Hung
The original driver fixed the io address with 0xe000+idx*8, but real io address assigned from BIOS is dynamically from read PCI configure space 0x24, 0x20, 0x1c. The Fintek F81504/F81508/F81512 maybe malfunction without this patch and malfunction surely when more then 1 PCI card. Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: mxs-auart: fix tx_empty against shift registerJanusz Uzycki
tx_empty() should test whether both the transmitter fifo and shifter for the port is empty, ie. the whole last char was transmitted. The shift register is empty if AUART_STAT_BUSY is cleared. The patch fixes the function against the shift register. According to i.MX23 and i.MX28 Reference Manual: AUART_STAT_TXFE: TX FIFO or transmit holding register is empty. AUART_STAT_BUSY: AUART still transmits bits. The BUSY signal goes HIGH as soon as the data is written to the transmit FIFO (that is, the FIFO is non-empty) and remains asserted HIGH while data is being transmitted. BUSY is negated only when the transmit FIFO is empty, and the last character has been transmitted from the shift register, including the stop bits. Signed-off-by: Janusz Uzycki <j.uzycki@elproma.com.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: mxs-auart: fix gpio change detection on interruptJanusz Uzycki
mxs_auart_modem_status() did't detect gpio's state change because s->mctrl_prev was modified before by mctrl_gpio_get(). The patch introduces mctrl_temp variable to fix the bug. Signed-off-by: Janusz Uzycki <j.uzycki@elproma.com.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: mxs-auart: Fix mxs_auart_set_ldisc()Fabio Estevam
Commit 732a84a037a4 ("serial: core: Pass termios to set_ldisc() notifications") changed the set_ldisc prototype. At the time of this commit the mxs_auart driver did not implement set_ldisc, so that's why it has not been converted. Adapt also mxs_auart_set_ldisc() so that the following build warning can be fixed: drivers/tty/serial/mxs-auart.c:962:2: warning: initialization from incompatible pointer type .set_ldisc = mxs_auart_set_ldisc, ^ drivers/tty/serial/mxs-auart.c:962:2: warning: (near initialization for 'mxs_auart_ops.set_ldisc') Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Tested-by: Janusz Uzycki <j.uzycki@elproma.com.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: 8250_dw: Use 64-bit access for OCTEON.David Daney
Although the existing code appears to work on most hardware, the hardware designers tell us that 8-bit access to the registers is not guaranteed to be reliable. Also the OCTEON simulation environments prohibit 8-bit accesses. For these reasons, we use __raw_readq/__raw_writeq for OCTEON. This code is protected with #ifdef CONFIG_64BIT so it still builds under configurations lacking readq/writeq. We can get rid of the #ifdef __BIG_ENDIAN, as under 64-bit accesses, OCTEON is byte order invariant. Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@auriga.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: imx: Fix warning when building 'allmodconfig'Fabio Estevam
When CONFIG_SERIAL_IMX_CONSOLE=n and CONFIG_CONSOLE_POLL=y we get the following build warning: drivers/tty/serial/imx.c:306:13: warning: 'imx_port_ucrs_save' defined but not used [-Wunused-function] drivers/tty/serial/imx.c:315:13: warning: 'imx_port_ucrs_restore' defined but not used [-Wunused-function] imx_port_ucrs_save/restore are only used under CONFIG_SERIAL_IMX_CONSOLE, so their definitions should be also be protected only by CONFIG_SERIAL_IMX_CONSOLE. This was detected when building 'allmodconfig'. Reported-by: Olof's autobuilder <build@lixom.net> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26tty: bfin, define inlined structuresJiri Slaby
struct bfin_serial_port contains structs circ_buf, timer_list, and work_struct directly (not pointers). This means that these structures have to be defined completely to be inlined in struct bfin_serial_port. So instead of struct declarations, define the structures by including proper headers. They were pulled in by linux/serial_core.h or others until now. But experimenting with circ_buf removal from serial_core, struct circ_buf becomes undefined in bfin_serial: In file included from arch/blackfin/kernel/debug-mmrs.c:21:0: arch/blackfin/include/asm/bfin_serial.h:44:18: error: field 'rx_dma_buf' has incomplete type Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26tty: serial: omap_serial: line is unsigned, don't check < 0Sebastian Andrzej Siewior
Dan Carpenter reported: |drivers/tty/serial/8250/8250_omap.c:1025 omap8250_probe() |warn: unsigned 'up.port.line' is never less than zero. |1025 if (up.port.line < 0) { Since of_alias_get_id() and pdev->id can get negative I check for the error via ret variable. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26tty: serial: 8250: omap: line is unsigned, don't check < 0Sebastian Andrzej Siewior
Dan Carpenter reported: |drivers/tty/serial/8250/8250_omap.c:1025 omap8250_probe() |warn: unsigned 'up.port.line' is never less than zero. |1025 if (up.port.line < 0) { I (wrongly) assumed that line is an int and compiler didn't complain nor did sparse. Since of_alias_get_id() and pdev->id can get negative I check for the error via ret variable. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26tty: serial: men_z135_uart: Add terminating entry for men_z135_idsAxel Lin
The mcb_device_id table is supposed to be zero-terminated. Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: sirf: add a new uart type supportQipan Li
in CSR A7DA SoC, uart6 located at BT module and it need multiple clock sources, so for "sirf,marco-bt-uart" compatible uarts, drivers take 3 clock sources and enable them. this patch also replaces clk_get by devm_clk_get function and fix DT binding document in which we missed to fix when we added marco platform in commit 909102db44f "serial: sirf: add support for Marco chip". Signed-off-by: Qipan Li <Qipan.Li@csr.com> Signed-off-by: Barry Song <Baohua.Song@csr.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26tty: pr_warning->pr_warn and logging neateningJoe Perches
Convert the pr_warning to the more common pr_warn. Other miscellanea: o Convert unusual PR_FMT define and uses to pr_fmt o Remove unnecessary OOM message o Fix grammar in an error message o Convert a pr_warning with a KERN_ERR to pr_err Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: jsm: Fix unnecessary space before function ptr argumentsKonrad Zapalowicz
This commit deals with the checkpatch warning "Unnecessary space before function pointer arguments". Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: jsm: Replace magic value with the proper defineKonrad Zapalowicz
The changed function flushes the tx UART and the '4' corresponds to the UART_FCR_CLEAR_XMIT value. This commit replaces the magic number with this define. Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: jsm: Fix the alignment of the switch satementKonrad Zapalowicz
This commit fixes the alignment of the 'case's i the switch statement. Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: jsm: Remove unnecessary if statementKonrad Zapalowicz
The flow of {neo,cls}_param() shows that at this stage the baud rate has a non-zero value. This fact makes the if clausule obsolete and acknowledges it's removal. Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: jsm: Remove unnecessary parameter from clear_break()Konrad Zapalowicz
The 'force' parameter to the {cls,neo}_send_break() function has been removed because it has not been used. The client to this API (the tty code) always called this function with only one value. Signed-off-by: Konrad Zapalowicz <bergo.torino@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: sh-sci: Change checking for error rate of HSCIFNobuhiro Iwamatsu
This changes negative values of error rate to be checked, because these values are valid as error rate. And this changes in the process of adopting a value close to 0. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: sh-sci: Add device tree support for r7s72100Geert Uytterhoeven
Simply document the new compat string (and keep the list sorted by SoC). There appears to be no need for a driver update. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-26serial: sh-sci: Add device tree support for r8a7794Ulrich Hecht
Simply document the new compat string. There appears to be no need for a driver update. Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com> [geert: Reworded to match previous commits] Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-24tty: serial: msm_serial: document DT aliasFrank Rowand
Update devicetree binding for msm_serial to reflect msm_serial_probe() getting line id (port number) from the serialN alias. Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-24tty: serial: msm_serial: Don't require DT aliasesStephen Boyd
If there isn't a DT alias then of_alias_get_id() will return -ENODEV. This will cause the msm_serial driver to fail probe, when we want to keep the previous behavior where we generated a dynamic line number at probe time. Restore this behavior by generating a dynamic id if the line number is still negative after checking for an alias or in the non-DT case looking at the .id field of the platform device. Reported-by: Kevin Hilman <khilman@kernel.org> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-22vt: Fix build breakage when !CONFIG_VT_CONSOLEPeter Hurley
Commit 68952076e9226cc23ebce66d3fc2fdb8b6c04c30 ("vt: Remove vt_get_kmsg_redirect() from uapi header") fails to compile if !CONFIG_VT_CONSOLE. Move macro definition for vt_get_kmsg_redirect() up with file-scope function declarations. Reported-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-11Revert "serial: of-serial: fetch line number from DT"Greg Kroah-Hartman
This reverts commit 1bd8324535ec1ff44aef55c0e40b9e7d56b310fb. To quote Olof: This commit broke a whole lot of tegra boards in last night's -next here. In particular, I've been looking at tegra20-seaboard, which now doesn't boot with console any more. Breaking existing systems is bad. Reported-by: Olof Johansson <olof@lixom.net> Cc: Lucas Stach <dev@lynxeye.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-10Merge 3.18-rc4 into tty-next.Greg Kroah-Hartman
This resolves a merge issue with drivers/tty/serial/8250/8250_mtk.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-09Linux 3.18-rc4Linus Torvalds
2014-11-09Merge tag 'arm64-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - enable bpf syscall for compat - cpu_suspend fix when checking the idle state type - defconfig update * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: defconfig: update defconfig for 3.18 arm64: compat: Enable bpf syscall arm64: psci: fix cpu_suspend to check idle state type for index
2014-11-09Merge tag 'armsoc-for-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Another quiet week: - a fix to silence edma probe error on non-supported platforms from Arnd - a fix to enable the PL clock for Parallella, to make mainline usable with the SDK. - a somewhat verbose fix for the PLL clock tree on VF610 - enabling of SD/MMC on one of the VF610-based boards (for testing) - a fix for i.MX where CONFIG_SPI used to be implicitly enabled and now needs to be added to the defconfig instead - another maintainer added for bcm2835: Lee Jones" * tag 'armsoc-for-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: dts: zynq: Enable PL clocks for Parallella dma: edma: move device registration to platform code ARM: dts: vf610: add SD node to cosmic dts MAINTAINERS: update bcm2835 entry ARM: imx: Fix the removal of CONFIG_SPI option ARM: imx: clk-vf610: define PLL's clock tree
2014-11-09Merge branch 'devicetree/merge' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux Pull devicetree bugfix from Grant Likely: "One buffer overflow bug that shouldn't be left around" * 'devicetree/merge' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux: of: Fix overflow bug in string property parsing functions
2014-11-09Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fix from Chris Mason: "It's a one liner for an error cleanup path that leads to crashes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup
2014-11-09Merge tag 'driver-core-3.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are 3 tiny fixes for 3.18-rc4. One fixes up a long-stading race condition in the driver core for removing directories in /sys/devices/virtual/ and the other 2 fix up the wording of a new Kconfig option that was added in 3.18-rc1" * tag 'driver-core-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: tiny: rename ENABLE_DEV_COREDUMP to ALLOW_DEV_COREDUMP tiny: reverse logic for DISABLE_DEV_COREDUMP sysfs: driver core: Fix glue dir race condition by gdp_mutex
2014-11-09Merge tag 'staging-3.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are some staging/iio fixes for 3.18-rc4. Nothing major, just a few bugfixes of things that have been reported" * tag 'staging-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging:iio:ade7758: Remove "raw" from channel name staging:iio:ade7758: Fix check if channels are enabled in prenable staging:iio:ade7758: Fix NULL pointer deref when enabling buffer iio: as3935: allocate correct iio_device size io: accel: kxcjk-1013: Fix iio_event_spec direction iio: tsl4531: Fix compiler error when CONFIG_PM_OPS is not defined iio: adc: mxs-lradc: Disable the clock on probe failure iio: st_sensors: Fix buffer copy staging:iio:ad5933: Drop "raw" from channel names staging:iio:ad5933: Fix NULL pointer deref when enabling buffer
2014-11-09Merge tag 'tty-3.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some tiny serial/tty fixes for 3.18-rc4 that resolve some reported issues" * tag 'tty-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: Fix pty master poll() after slave closes v2 serial: of-serial: fix uninitialized kmalloc variable tty/vt: don't set font mappings on vc not supporting this tty: serial: 8250_mtk: Fix quot calculation tty: Prevent "read/write wait queue active!" log flooding tty: Fix high cpu load if tty is unreleaseable serial: Fix divide-by-zero fault in uart_get_divisor()
2014-11-09Merge tag 'usb-3.18-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some USB fixes for 3.18-rc4. Just a bunch of little fixes resolving reported issues and new device ids for existing drivers. Full details are in the shortlog" * tag 'usb-3.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (26 commits) USB: Update default usb-storage delay_use value in kernel-parameters.txt USB: cdc-acm: add quirk for control-line state requests phy: omap-usb2: Enable runtime PM of omap-usb2 phy properly USB: storage: Fix timeout in usb_stor_euscsi_init() and usb_stor_huawei_e220_init() USB: cdc-acm: only raise DTR on transitions from B0 Revert "storage: Replace magic number with define in usb_stor_euscsi_init()" usb: core: notify disconnection when core detects disconnect usb: core: need to call usb_phy_notify_connect after device setup uas: Add US_FL_NO_ATA_1X quirk for 2 more Seagate models xhci: no switching back on non-ULT Haswell USB: quirks: enable device-qualifier quirk for yet another Elan touchscreen USB: quirks: enable device-qualifier quirk for another Elan touchscreen MAINTAINERS: Remove duplicate entry for usbip driver usb: storage: fix build warnings !CONFIG_PM usb: Remove references to non-existent PLAT_S5P symbol uas: Add NO_ATA_1X for VIA VL711 devices xhci: Disable streams on Asmedia 1042 xhci controllers USB: HWA: fix a warning message uas: Add US_FL_NO_ATA_1X quirk for 1 more Seagate model usb-storage: handle a skipped data phase ...
2014-11-09ARM: dts: zynq: Enable PL clocks for ParallellaAndreas Färber
The Parallella board comes with a U-Boot bootloader that loads one of two predefined FPGA bitstreams before booting the kernel. Both define an AXI interface to the on-board Epiphany processor. Enable clocks FCLK0..FCLK3 for the Programmable Logic by default. Otherwise accessing, e.g., the ESYSRESET register freezes the board, as seen with the Epiphany SDK tools e-reset and e-hw-rev, using /dev/mem. Cc: <stable@vger.kernel.org> # 3.17.x Signed-off-by: Andreas Färber <afaerber@suse.de> Acked-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2014-11-08Merge branch 'i2c/for-current' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c bugfixes from Wolfram Sang: "One bigger cleanup (FSF address removal) and two bugfixes for I2C" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: core: Dispose OF IRQ mapping at client removal time i2c: at91: don't account as iowait i2c: remove FSF address
2014-11-08Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "Two fixlets for the armada SoC interrupt controller" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: armada-370-xp: Fix MPIC interrupt handling irqchip: armada-370-xp: Fix MSI interrupt handling
2014-11-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds
Pull media fixes from Mauro Carvalho Chehab: "For: - some regression fixes at the Remote Controller core and imon driver - a build fix for certain randconfigs with ir-hix5hd2 - don't feed power to satellite system at ds3000 driver init It also contains some fixes for drivers added for Kernel 3.18: - some fixes at the new ISDB-S driver, and the corresponding bits to fix some descriptors for this Japanese TV standard at the DVB core - two warning cleanups for sp2 driver if PM is disabled - change the default mode for the new vivid driver" * git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] sp2: sp2_init() can be static [media] dvb:tc90522: fix always-false expression [media] dvb-core: set default properties of ISDB-S [media] dvb:tc90522: fix stats report [media] vivid: default to single planar device instances [media] imon: fix other RC type protocol support [media] ir-hix5hd2 fix build warning [media] ds3000: fix LNB supply voltage on Tevii S480 on initialization [media] rc5-decoder: BZ#85721: Fix RC5-SZ decoding [media] rc-core: fix protocol_change regression in ir_raw_event_register
2014-11-08Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds
Pull MIPS updates from Ralf Baechle: "This weeks' round of MIPS bug fixes for 3.18: - wire up the bpf syscall - fix TLB dump output for R3000 class TLBs - fix strnlen_user return value if no NUL character was found. - fix build with binutils 2.24.51+. While there is no binutils 2.25 release yet, toolchains derived from binutils 2.24.51+ are already in common use. - the Octeon GPIO code forgot to offline GPIO IRQs. - fix build error for XLP. - fix possible BUG assertion with EVA for CMA" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Fix build with binutils 2.24.51+ MIPS: R3000: Fix debug output for Virtual page number MIPS: Fix strnlen_user() return value in case of overlong strings. MIPS: CMA: Do not reserve memory if not required MIPS: Wire up bpf syscall. MIPS/Xlp: Remove the dead function destroy_irq() to fix build error MIPS: Octeon: Make Octeon GPIO IRQ chip CPU hotplug-aware
2014-11-07Merge tag 'xfs-for-linus-3.18-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs Pull xfs fixes from Dave Chinner: "This update fixes a warning in the new pagecache_isize_extended() and updates some related comments, another fix for zero-range misbehaviour, and an unforntuately large set of fixes for regressions in the bulkstat code. The bulkstat fixes are large but necessary. I wouldn't normally push such a rework for a -rcX update, but right now xfsdump can silently create incomplete dumps on 3.17 and it's possible that even xfsrestore won't notice that the dumps were incomplete. Hence we need to get this update into 3.17-stable kernels ASAP. In more detail, the refactoring work I committed in 3.17 has exposed a major hole in our QA coverage. With both xfsdump (the major user of bulkstat) and xfsrestore silently ignoring missing files in the dump/restore process, incomplete dumps were going unnoticed if they were being triggered. Many of the dump/restore filesets were so small that they didn't evenhave a chance of triggering the loop iteration bugs we introduced in 3.17, so we didn't exercise the code sufficiently, either. We have already taken steps to improve QA coverage in xfstests to avoid this happening again, and I've done a lot of manual verification of dump/restore on very large data sets (tens of millions of inodes) of the past week to verify this patch set results in bulkstat behaving the same way as it does on 3.16. Unfortunately, the fixes are not exactly simple - in tracking down the problem historic API warts were discovered (e.g xfsdump has been working around a 20 year old bug in the bulkstat API for the past 10 years) and so that complicated the process of diagnosing and fixing the problems. i.e. we had to fix bugs in the code as well as discover and re-introduce the userspace visible API bugs that we unwittingly "fixed" in 3.17 that xfsdump relied on to work correctly. Summary: - incorrect warnings about i_mutex locking in pagecache_isize_extended() and updates comments to match expected locking - another zero-range bug fix for stray file size updates - a bunch of fixes for regression in the bulkstat code introduced in 3.17" * tag 'xfs-for-linus-3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: xfs: track bulkstat progress by agino xfs: bulkstat error handling is broken xfs: bulkstat main loop logic is a mess xfs: bulkstat chunk-formatter has issues xfs: bulkstat chunk formatting cursor is broken xfs: bulkstat btree walk doesn't terminate mm: Fix comment before truncate_setsize() xfs: rework zero range to prevent invalid i_size updates mm: Remove false WARN_ON from pagecache_isize_extended() xfs: Check error during inode btree iteration in xfs_bulkstat() xfs: bulkstat doesn't release AGI buffer on error
2014-11-07Merge tag 'regulator-v3.18-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "More changes than I'd like here, most of them for a single bug repeated in a bunch of drivers with data not being initialized correctly, plus a fix to lower the severity of a warning introduced in the last merge window which can legitimately go off so we don't want to alarm users excessively" * tag 'regulator-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: s2mpa01: zero-initialize regulator match table array regulator: max8660: zero-initialize regulator match table array regulator: max77802: zero-initialize regulator match table regulator: max77686: zero-initialize regulator match table regulator: max1586: zero-initialize regulator match table array regulator: max77693: Fix use of uninitialized regulator config regulator: of: Lower the severity of the error with no container
2014-11-07Merge tag 'spi-v3.18-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi bugfixes from Mark Brown: "A couple of small driver fixes for v3.18, both quite problematic if you hit a use case that's affected" * tag 'spi-v3.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: pxa2xx: toggle clocks on suspend if not disabled by runtime PM spi: fsl-dspi: Fix CTAR selection
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