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Fix build errors when HW_RANDOM is not enabled:
drivers/built-in.o: In function `chaoskey_disconnect':
chaoskey.c:(.text+0x5f3f00): undefined reference to `hwrng_unregister'
drivers/built-in.o: In function `chaoskey_probe':
chaoskey.c:(.text+0x5f42a6): undefined reference to `hwrng_register'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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According to the technical update (No. TN-RCS-B011A/E), the UGSTS LOCK
bit location is bit 8, not bits 9 and 8. So, this patch fixes the
USBHS_UGSTS_LOCK value.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 1dc6120ef7f003305d99ef12f598a6b05eacc38c.
Commit 1dc6120ef7f0 results in the following error when compiling
x86_64:allyesconfig.
sl811_cs.c:(.text+0x1d3cb72): undefined reference to `sl811h_driver'
Fixes: 1dc6120ef7f0 ("usb: host/sl811-hcd: fix sparse warning")
Cc: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for v4.1-rc1
Fix up the f81232 driver, which up to this point has mostly been a
placeholder without a proper implementation.
Included is also a minor clean up of ch341.
Signed-off-by: Johan Hovold <johan@kernel.org>
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> drivers/usb/misc/chaoskey.c: In function 'chaoskey_read':
> >> drivers/usb/misc/chaoskey.c:412:3: error: implicit declaration of function 'copy_to_user'
> >> [-Werror=implicit-function-declaration]
> remain = copy_to_user(buffer, dev->buf + dev->used, this_time);
I was unable to reproduce this locally, but added an explicit
#include <linux/uaccess.h>
which should ensure the definition on all architectures.
> sparse warnings: (new ones prefixed by >>)
>
> >> drivers/usb/misc/chaoskey.c:117:30: sparse: incorrect type in assignment (different base types)
> drivers/usb/misc/chaoskey.c:117:30: expected int [signed] size
> drivers/usb/misc/chaoskey.c:117:30: got restricted __le16 [usertype] wMaxPacketSize
Switched the code to using the USB descriptor accessor functions.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix some really minor coding-style issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Add me to co-author and fix no '>' in greg kh's email
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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We remove non-used define in this patch to avoid wrong usage.
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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We extract TIOCGSERIAL section in f81232_ioctl() to f81232_get_serial_info()
to make it clarify.
Also we fix device type from 16654 to 16550A, and set it's baud_base
to 115200 (1.8432MHz/16).
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The original driver had do not any h/w change in driver.
This patch implements with configure H/W for
baud/parity/word length/stop bits functional in f81232_set_termios().
This patch also implement DTR/RTS control when baudrate B0.
We drop DTR/RTS when B0, otherwise enable it.
We are checking baudrate in set_termios() too, If baudrate larger then 115200,
it will be changed to 115200 and use tty_encode_baud_rate() to encode into tty
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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We put FCR/IER initial step to f81232_port_enable()/f81232_port_disable().
When port is open, it set MSR interrupt on. Otherwise set it off.
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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This patch implement relative MCR/MSR function, such like
tiocmget()/tiocmset()/dtr_rts()/carrier_raised()
original f81232_carrier_raised() compared with wrong value UART_DCD.
It's should compared with UART_MSR_DCD.
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The interrupt endpoint will report current IIR. If we got IIR with MSR changed
, We will do read MSR with interrupt_work worker to do f81232_read_msr()
function.
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The original driver lock with spin_lock_irqsave()/spin_unlock_irqrestore()
because of it's maybe used in interrupt context f81232_process_read_urb().
We had remove it from previous patch "implement RX bulk-in EP", so we can
change it from busying loop spin_lock to sleepable mutex_lock.
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The F81232 bulk-in is RX data + LSR channel, data format is
[LSR+Data][LSR+Data]..... , We had implemented in f81232_process_read_urb().
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
[johan: reword comment in process_read_urb ]
Signed-off-by: Johan Hovold <johan@kernel.org>
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Change private struct member name from line_status to modem_status.
It will store MSR for some functions used
Signed-off-by: Peter Hung <hpeter+linux_kernel@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
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drivers/usb/host/sl811-hcd.c:1812:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After commit ba1aff67f99a (chipidea: pci: register nop PHY) the PCI glue driver
requires nop-PHY to be selected. Thus, make it an explicit dependency.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: ba1aff67f99a (chipidea: pci: register nop PHY)
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch introduces USB_CHIPIDEA_PCI and USB_CHIPIDEA_OF Kconfig options, one
per each specific glue driver. This is needed to provide different dependencies
they have.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Current otg fsm timers are using controller 1ms irq and count it, this patch
is to replace it with hrtimer solution, use one hrtimer for all otg timers.
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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B_DATA_PLS(data-line pulse time) and B_SSEND_SRP(session end to SRP init) are
also from OTG&EH 2.0 Specification and they are not chipidea specific.
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Since BSV irq is enabled for B-device all the time, so B_SESS_VLD timer
is not required, and also no need to check BSV status when B_ASE0_BRST
timer timeout.
Signed-off-by: Li Jun <jun.li@freescale.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the system clock driver is forwarding set_rate request to the
parent clock, we can safely call clk_set_rate on the system clk and get
rid of the uclk field.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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One more case of error codes not correctly being
correctly returned to user space.
Signed-off-by: Olive Neukum <oneukum@suse.com>0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Values directly from descriptors given in debug statements
must be converted to native endianness.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This makes sure the error handling path is the same for
all error conditions, thus reducing code duplication.
Signed-off-by: Oliver Neukum <oneukum@suse.de>0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A step on the road to passing status as a parameter
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During the entry intro suspend a misleading message can be
printed. Surpress it by checking the specific error.
Signed-off-by: Oliver Neukum <oneukum@suse.de>0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Abn URB may be may marked free only after the buffer has been
processed or there is a small window during which it could
be submitted on another CPU and overwrite an unprocessed buffer
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is necessary to set REF_SEL appropriately in uses where refclk is
always available.
Signed-off-by: Ben Gamari <ben@smart-cactus.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Lieing to user space is wrong. The real reason for a failure
to write should be returned to user space.
Signed-off-by: Oliver Neukum <oneukum@suse.de>0
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit adds new register values for the USB_CMD and USB_MODE
registers, which allows to avoid the usage of a number of magic values
in orion_usb_phy_v1_setup().
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move usb_disabled() and module_param()/core_param() towards the top of the file,
where 'nousb' is defined, as they are all related.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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At few places we have used usb_disabled() and at other places used 'nousb'
directly. Lets be consistent and use usb_disabled();
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a hardware random number generator. The driver provides both a
/dev/chaoskeyX entry and hooks the entropy source up to the kernel
hwrng interface. More information about the device can be found at
http://chaoskey.org
The USB ID for ChaosKey was allocated from the OpenMoko USB vendor
space and is visible as 'USBtrng' here:
http://wiki.openmoko.org/wiki/USB_Product_IDs
v2: Respond to review from Oliver Neukum <oneukum@suse.de>
* Delete extensive debug infrastructure and replace it with calls to
dev_dbg.
* Allocate I/O buffer separately from device structure to obey
requirements for non-coherant architectures.
* Initialize mutexes before registering device to ensure that open
cannot be invoked before the device is ready to proceed.
* Return number of bytes read instead of -EINTR when partial read
operation is aborted due to a signal.
* Make sure device mutex is unlocked in read error paths.
* Add MAINTAINERS entry for the driver
Signed-off-by: Keith Packard <keithp@keithp.com>
Cc: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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drivers/usb/chipidea/usbmisc_imx.c:277:5-8: Unneeded variable: "ret". Return "0" on line 297
Removes unneeded variable used to store return value.
Generated by: scripts/coccinelle/misc/returnvar.cocci
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v4.1 merge window
As usual, a big pile of commits. This time a total
of 111 non-merge commits.
Other than the usual set of cleanups and non-critical
fixes, we have some interesting work for AM335x's MUSB
babble recovery. Now that takes a lot less time and we
don't have to Reset MUSB all the time.
The printer gadget has been converted to configfs interface
and the atmel udc has learned suspend/resume with wakeup.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Looks like dm81xx can only do 32-bit fifo reads like am35x. Let's set
up musb-dsps with a custom read_fifo function based on the compatible
flag.
Otherwise we can get the following errors when starting dhclient on a
asix USB Ethernet adapter:
asix 2-1:1.0 eth2: asix_rx_fixup() Bad Header Length 0xffff003c, offset 4
While at it, let's also remove pointless cast of the driver data.
Cc: Bin Liu <binmlist@gmail.com>
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: George Cherian <george.cherian@ti.com>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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USB_ULPI_VIEWPORT didn't depend on USB_ULPI, while USB_ULPI
is using non user selectable USB_ULPI_VIEWPORT. Fix this.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If f_printer is selected without legacy g_printer, it should
depend on USB_CONFIGFS which pulls in libcomposite.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We want the USB fixes in here as well to resolve merge conflicts.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull bugfix for md from Neil Brown:
"One fix for md in 4.0-rc4
Regression in recent patch causes crash on error path"
* tag 'md/4.0-rc4-fix' of git://neil.brown.name/md:
md: fix problems with freeing private data after ->run failure.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are three fixes for 4.0-rc5 that revert 3 PCMCIA patches that
were merged in 4.0-rc1 that cause regressions. So let's revert them
for now and they will be reworked and resent sometime in the future.
All have been tested in linux-next for a while"
* tag 'char-misc-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Revert "pcmcia: add a new resource manager for non ISA systems"
Revert "pcmcia: fix incorrect bracketing on a test"
Revert "pcmcia: add missing include for new pci resource handler"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are four small staging driver fixes, all for the vt6656 and
vt6655 drivers, that resolve some reported issues with them.
All of these patches have been in linux next for a while"
* tag 'staging-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
vt6655: Fix late setting of byRFType.
vt6655: RFbSetPower fix missing rate RATE_12M
staging: vt6656: vnt_rf_setpower: fix missing rate RATE_12M
staging: vt6655: vnt_tx_packet fix dma_idx selection.
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fix from Greg KH:
"Here's a single 8250 serial driver that fixes a reported deadlock with
the serial console and the tty driver.
It's been in linux-next for a while now"
* tag 'tty-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250_dw: Fix deadlock in LCR workaround
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY driver fixes from Greg KH:
"Here's a number of USB and PHY driver fixes for 4.0-rc5.
The largest thing here is a revert of a gadget function driver patch
that removes 500 lines of code. Other than that, it's a number of
reported bugs fixes and new quirk/id entries.
All have been in linux-next for a while"
* tag 'usb-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: common: otg-fsm: only signal connect after switching to peripheral
uas: Add US_FL_NO_ATA_1X for Initio Corporation controllers / devices
USB: ehci-atmel: rework clk handling
MAINTAINERS: add entry for USB OTG FSM
usb: chipidea: otg: add a_alt_hnp_support response for B device
phy: omap-usb2: Fix missing clk_prepare call when using old dt name
phy: ti/omap: Fix modalias
phy: core: Fixup return value of phy_exit when !pm_runtime_enabled
phy: miphy28lp: Convert to devm_kcalloc and fix wrong sizof
phy: miphy365x: Convert to devm_kcalloc and fix wrong sizeof
phy: twl4030-usb: Remove redundant assignment for twl->linkstat
phy: exynos5-usbdrd: Fix off-by-one valid value checking for args->args[0]
phy: Find the right match in devm_phy_destroy()
phy: rockchip-usb: Fixup rockchip_usb_phy_power_on failure path
phy: ti-pipe3: Simplify ti_pipe3_dpll_wait_lock implementation
phy: samsung-usb2: Remove NULL terminating entry from phys array
phy: hix5hd2-sata: Check return value of platform_get_resource
phy: exynos-dp-video: Kill exynos_dp_video_phy_pwr_isol function
Revert "usb: gadget: zero: Add support for interrupt EP"
Revert "xhci: Clear the host side toggle manually when endpoint is 'soft reset'"
...
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Pull slave dmaengine fixes from Vinod Koul:
"Four fixes for dw, pl08x, imx-sdma and at_hdmac driver. Nothing
unusual here, simple fixes to these drivers"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: pl08x: Define capabilities for generic capabilities reporting
dmaengine: dw: append MODULE_ALIAS for platform driver
dmaengine: imx-sdma: switch to dynamic context mode after script loaded
dmaengine: at_hdmac: Fix calculation of the residual bytes
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These are fixes for recent regressions (PCI/ACPI resources and at91
RTC locking), a stable-candidate powercap RAPL driver fix and two ARM
cpuidle fixes (one stable-candidate too).
Specifics:
- Revert a recent PCI commit related to IRQ resources management that
introduced a regression for drivers attempting to bind to devices
whose previous drivers did not balance pci_enable_device() and
pci_disable_device() as expected (Rafael J Wysocki).
- Fix a deadlock in at91_rtc_interrupt() introduced by a typo in a
recent commit related to wakeup interrupt handling (Dan Carpenter).
- Allow the power capping RAPL (Running-Average Power Limit) driver
to use different energy units for domains within one CPU package
which is necessary to handle Intel Haswell EP processors correctly
(Jacob Pan).
- Improve the cpuidle mvebu driver's handling of Armada XP SoCs by
updating the target residency and exit latency numbers for those
chips (Sebastien Rannou).
- Prevent the cpuidle mvebu driver from calling cpu_pm_enter() twice
in a row before cpu_pm_exit() is called on the same CPU which
breaks the core's assumptions regarding the usage of those
functions (Gregory Clement)"
* tag 'pm+acpi-4.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "x86/PCI: Refine the way to release PCI IRQ resources"
rtc: at91rm9200: double locking bug in at91_rtc_interrupt()
powercap / RAPL: handle domains with different energy units
cpuidle: mvebu: Update cpuidle thresholds for Armada XP SOCs
cpuidle: mvebu: Fix the CPU PM notifier usage
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Pull drm updates from Dave Airlie:
"A bunch of fixes across drivers:
radeon:
disable two ended allocation for now, it breaks some stuff
amdkfd:
misc fixes
nouveau:
fix irq loop problem, add basic support for GM206 (new hw)
i915:
fix some WARNs people were seeing
exynos:
fix some iommu interactions causing boot failures"
* git://people.freedesktop.org/~airlied/linux:
drm/radeon: drop ttm two ended allocation
drm/exynos: fix the initialization order in FIMD
drm/exynos: fix typo config name correctly.
drm/exynos: Check for NULL dereference of crtc
drm/exynos: IS_ERR() vs NULL bug
drm/exynos: remove unused files
drm/i915: Make sure the primary plane is enabled before reading out the fb state
drm/nouveau/bios: fix i2c table parsing for dcb 4.1
drm/nouveau/device/gm100: Basic GM206 bring up (as copy of GM204)
drm/nouveau/device: post write to NV_PMC_BOOT_1 when flipping endian switch
drm/nouveau/gr/gf100: fix some accidental or'ing of buffer addresses
drm/nouveau/fifo/nv04: remove the loop from the interrupt handler
drm/radeon: Changing number of compute pipe lines
drm/amdkfd: Fix SDMA queue init. in non-HWS mode
drm/amdkfd: destroy mqd when destroying kernel queue
drm/i915: Ensure plane->state->fb stays in sync with plane->fb
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull more DeviceTree fixes vfom Rob Herring:
- revert setting stdout-path as preferred console. This caused
regressions in PowerMACs and other systems.
- yet another fix for stdout-path option parsing.
- fix error path handling in of_irq_parse_one
* tag 'devicetree-fixes-for-4.0-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
Revert "of: Fix premature bootconsole disable with 'stdout-path'"
of: handle both '/' and ':' in path strings
of: unittest: Add option string test case with longer path
of/irq: Fix of_irq_parse_one() returned error codes
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