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Chanwoo writes:
Update extcon for 3.12
This patchset add new file for OF helper API and modify small fix of extcon-palmas
driver. Also, extcon core dirver use power_efficient_wq instead of system_wq.
Detailed description for patchset:
1. Add new file for OF helper API
- Add OF(OpenFirmware) Helper API which is of_extcon_get_extcon_device().
This helper API get the extcon device name on extcon consumer device.
- Add usase case about OF helper API of extcon in dwc3-omap.c. dwc3-omap driver
use extcon subsystem to detect the state of USB/USB-Host cable so dwc3-omap
call of_extcon_get_extcon_device() to need extcon device name.
2. Modify extcon-palmas.c driver
- Provide option to select whether interrupt is used or not
- Support suspend/resume for palmas driver
- Update palmas interrupt register to detect ID pin
- Code clean to remove unused data
- Rename filename for device tree binding (extcon-twl.txt -> extcon-palmas.txt)
3. Use power_effcient_wq on extcon core driver/extcon-arizona instead of system_wq
- extcon core driver(extcon-gpio.c/extcon-adc-jack.c) use power_effcient_wq
instead of system_wq.
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The debounce timeout is generally quite long and the work not performance
critical so allow the scheduler to run the work anywhere rather than in
the normal per-CPU workqueue.
Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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The debounce timeout is generally quite long and the work not performance
critical so allow the scheduler to run the work anywhere rather than in
the normal per-CPU workqueue.
Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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None of the delayed work the driver schedules has particularly short delays
and it is not performance sensitive so let the scheduler run it wherever
is most efficient rather than in a per CPU workqueue by using the system
power efficient workqueue.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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Based on system design, platform needs to detect the VBUS or ID or
both. Provide option to select this through platform data to
disable part of cable detection through palmas-usb.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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Add suspend/resume callbacks and support for wakeup from
suspend on USB HOST or USB Device cable insertion or removal.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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When integrating driver with Tegra platform, it is found that
the ID pins get detected only once after booting system and
further removal and re-insert does not detect the ID pin.
Fixing this issue with enabling interrupt on ID_GND and ID_FLOAT
always and clearing the status on LATCH register which actually
occurred.
Also if interrupt occurs with line status as zero then based on
previous status, set the cable state.
Add debug prints to display the cable state when any cable
insertion/removal happen.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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of_extcon_get_extcon_dev() uses dev_name for getting the reference
to the extcon device. If the extcon driver assigns a different
name other than dev_name, of_extcon_get_extcon_dev() wouldn't
be able to find the reference to the extcon device. Since the
client drivers of extcon-palmas would be using
of_extcon_get_extcon_dev(), removed assigning edev.name
in extcon-palmas.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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Modified dwc3-omap to receive connect and disconnect notification using
extcon framework. Also did the necessary cleanups required after
adapting to extcon framework.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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Added an API of_extcon_get_extcon_dev() to be used by drivers to get
extcon device in the case of dt boot (this can be used instead of
extcon_get_extcon_dev()).
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
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Remove HV_DRV_VERSION, it has no meaning for upstream drivers.
Initially it was supposed to show the "Linux Integration Services"
version, now it is not in sync anymore with the out-of-tree drivers
available from the MSFT website.
The only place where a version string is still required is the KVP
command "IntegrationServicesVersion" which is handled by
tools/hv/hv_kvp_daemon.c. To satisfy such KVP request from the host pass
the current string to the daemon during KVP userland registration.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This resolves a merge issue with:
drivers/misc/mei/init.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull pin control fixes from Linus Walleij:
- Driver fixes for AM33xx, SIRF and PFC pin controllers
- Fix a compile warning from the pinctrl single-register driver
- Fix a little nasty memory leak
* tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: fix a memleak when freeing maps
pinctrl: pinctrl-single: fix compile warning when no CONFIG_PM
pinctrl: sh-pfc: fix SDHI0 VccQ regulator on sh73a0 with DT
arm/dts: sirf: fix the pingroup name mismatch between drivers and dts
pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl
pinctrl: sirf: fix the pin number and mux bit for usp0
pinctrl: am33xx dt binding: correct include path
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Pull SCSI fixes from James Bottomley:
"This is five bug fixes, two of which fix long standing problems
causing crashes (sd and mvsas). The remaining three are hung (isci
race) or lost (qla2xxx, isci) devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
[SCSI] isci: fix breakage caused by >16byte CDB patch
[SCSI] mvsas: Fix kernel panic on tile due to unaligned data access
[SCSI] sd: fix crash when UA received on DIF enabled device
[SCSI] qla2xxx: Properly set the tagging for commands.
[SCSI] isci: Fix a race condition in the SSP task management path
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Suggested by coccinelle and manually verified.
Signed-off-by: Alexandru Juncu <alexj@rosedu.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The patch "UIO: fix uio_pdrv_genirq with device tree but no interrupt"
(sha1: e3a3c3a205554e564751cd9c0276b2af813d7a92)
add support to use this driver with no interrupts.
uio_pdrv_genirq also supports device-tree binding
which is not available in uio_pdrv.
That's why this uio_pdrv driver can be just removed.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Vitalii Demianets <vitas@nppfactor.kiev.ua>
Reviewed-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Clear pending connection after hw reset but before hw start
and wake up the waiting task in poll. Signal POLLERR in select
when device went through reset.
Add wrapper mei_cl_is_connected for checking if
the device and client are connected.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Each message sent from the guest carries with it a transaction ID.
Assign the transaction ID just before putting the message on the VMBUS.
This would help in debugging on the host side.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current code picked the highest version advertised by the host. WS2012 R2
has implemented a protocol version for KVP that is not compatible with prior
protocol versions of KVP. Fix the bug in the current code by explicitly specifying
the protocol version that the guest can support.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull drm fixes from Dave Airlie:
"This is just a regular fixes pull apart from the qxl one, it has
radeon and intel bits in it,
The intel fixes are for a regression with the RC6 fix and a 3.10 hdmi
regression, whereas radeon is more DPM fixes, a few lockup fixes and
some rn50/r100 DAC fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/radeon/dpm: fix r600_enable_sclk_control()
drm/radeon/dpm: implement force performance levels for rv6xx
drm/radeon/dpm: fix displaygap programming on rv6xx
drm/radeon/dpm: fix a typo in the rv6xx mclk setup
drm/i915: initialize gt_lock early with other spin locks
drm/i915: fix hdmi portclock limits
drm/radeon: fix combios tables on older cards
drm/radeon: improve dac adjust heuristics for legacy pdac
drm/radeon: Another card with wrong primary dac adj
drm/radeon: fix endian issues with DP handling (v3)
drm/radeon/vm: only align the pt base to 32k
drm/radeon: wait for 3D idle before using CP DMA
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Pull qxl drm fixes from Dave Airlie:
"Okay as I warned, the qxl driver was running a bit free and loose with
its ttm object reservations and the new lockdep enabled reservation
tracking shone a bright light into it, it also with the new
reservations mutexes hits a possible deadlock during boot.
The first patch is a real fix to render the console correctly as the
driver used to just drop irq renderering as too hard, this also fixes
a sleeping while atomic warning.
The other two patches are the big ugly ones that redo how the driver
allocates objects and reserves them and makes things all work
properly, I've tested this in a VM, and compared to the current code
which hits a lockdep warning and the sleep while atomic warning before
failing.
So sorry this is coming in late, I should have tested qxl before
merging the mutex code, but I'd rather just fix qxl with this than
revert the reservations code at this point"
* 'qxl-fixes' of git://people.freedesktop.org/~airlied/linux:
qxl: convert qxl driver to proper use for reservations
qxl: allow creation of pre-pinned objects and use for releases.
drm/qxl: add delayed fb operations
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Pull ACPI and power management fixes from Rafael Wysocki:
"These are just two fixes, a revert of the would-be backlight fix that
didn't work and an intel_pstate fix for two problems related to
maximum P-state selection.
Specifics:
- Revert of the ACPI video commit that I hoped would help fix
backlight problems related to Windows 8 compatibility on some
systems. Unfortunately, it turned out to cause problems to happen
too.
- Fix for two problems in intel_pstate, a possible failure to respond
to a load change on a quiet system and a possible failure to select
the highest available P-state on some systems. From Dirk
Brandewie"
* tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
cpufreq / intel_pstate: Change to scale off of max P-state
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Pull ARM SoC fixes from Olof Johansson:
"This is a largeish batch of fixes, mostly because I missed -rc2 due to
travel/vacation. So in number these are a bit more than ideal unless
you amortize them over two -rcs.
Quick breakdown:
- Defconfig updates
- Making multi_v7_defconfig useful on more hardware to encourage
single-image usage
- Davinci and nomadik updates due to new code merged this merge
window
- Fixes for UART on Samsung platforms, both PM and clock-related
- A handful of warning fixes from defconfig builds, including for
max8925 backlight and pxamci (both with appropriate acks)
- Exynos5440 fixes for LPAE configuration, PM
- ...plus a bunch of other smaller changes all over the place
I expect to switch to regressions-or-severe-bugs-only fixes from here
on out"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
mfd: max8925: fix dt code for backlight
ARM: omap5: Only select errata 798181 if SMP
ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
ARM: EXYNOS: Fix low level debug support
ARM: SAMSUNG: Save/restore only selected uart's registers
ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm
ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART
ARM: multi_v7_defconfig: Select USB chipidea driver
ARM: pxa: propagate errors from regulator_enable() to pxamci
ARM: zynq: fix compilation warning
ARM: keystone: fix compilation warning
ARM: highbank: Only touch common coherency control register fields
ARM: footbridge: fix overlapping PCI mappings
dmaengine: shdma: fix a build failure on platforms with no DMA support
ARM: STi: Set correct ARM ERRATAs.
ARM: dts: STi: Fix pinconf setup for STiH416 serial2
ARM: nomadik: configure for NO_HZ and HRTIMERS
ARM: nomadik: update defconfig base
ARM: nomadik: Update MMC defconfigs
ARM: davinci: defconfig: enable EDMA driver
...
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Pull USB fixes from Greg KH:
"Here are a number of USB fixes for 3.11-rc3.
Lots of little things, nothing major. A number of new device ids,
build fixes for DMA, and a bunch of other minor things. All of these
have been in the linux-next tree"
* tag 'usb-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits)
usb: Clear both buffers when clearing a control transfer TT buffer.
usb/gadget: free opts struct on error recovery
USB: mos7840: fix memory leak in open
usb: serial: option.c: remove ONDA MT825UP product ID fromdriver
usb: serial: option: add Olivetti Olicard 200
usb: serial: option: blacklist ONDA MT689DC QMI interface
xhci: fix null pointer dereference on ring_doorbell_for_active_rings
usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0
usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled
usb: xhci: Mark two functions __maybe_unused
xhci: Avoid NULL pointer deref when host dies.
usb: serial: option: Add ONYX 3G device support
USB: ti_usb_3410_5052: fix dynamic-id matching
usb: option: add TP-LINK MA260
USB: option: add D-Link DWM-152/C1 and DWM-156/C1
USB: EHCI: Fix resume signalling on remote wakeup
USB: cp210x: add MMB and PI ZigBee USB Device Support
usb: cp210x support SEL C662 Vendor/Device
USB: option: append Petatel NP10T device to GSM modems list
USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga
...
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Pull tty/serial fixes from Greg KH:
"Here are 3 fixes for TTY and serial issues that have been reported.
Nothing huge, but nice to get fixed"
* tag 'tty-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: tegra: correct help message in Kconfig from 'ttyHS' to 'ttyTHS'
tty/8250_early: Don't truncate last character of options
TTY: snyclinkmp: calculating wrong addresses
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Pull staging fixes from Greg KH:
"Here are some tiny drivers/staging/ fixes for 3.11-rc3
A number of bugfixes, all pretty tiny, but resolve issues that have
been reported (the kstrtos32 change fixes a data corruption problem
that Dan found). And a MAINTAINERS file update for the comedi
drivers"
* tag 'staging-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
MAINTAINERS: Update the list of maintainers for staging/comedi driver.
staging: tidspbridge: replace strict_strtol() with kstrtos32()
staging: android: logger: Correct write offset reset on error
staging: zram: protect zram_reset_device() call
staging: gdm72xx: potential use after free in send_qos_list()
staging: drm/imx: drop "select OF_VIDEOMODE"
staging: frontier: use after free in disconnect()
staging: comedi: fix a race between do_cmd_ioctl() and read/write
staging: comedi: COMEDI_CANCEL ioctl should wake up read/write
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Pull char/misc patches from Greg KH:
"Here are some char/misc patches for 3.11-rc3. It's pretty much just:
- mei fixes
- hyperv fixes
- new ja_JP translation update
all tiny stuff, but fixes for issues people have reported."
* tag 'char-misc-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
HOWTO ja_JP sync
mei: me: fix waiting for hw ready
mei: don't have to clean the state on power up
mei: me: fix reset state machine
mei: hbm: fix typo in error message
Tools: hv: KVP: Fix a bug in IPV6 subnet enumeration
Drivers: hv: balloon: Do not post pressure status if interrupted
Drivers: hv: balloon: Fix a bug in the hot-add code
Drivers: hv: vmbus: incorrect device name is printed when child device is unregistered
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Pull sound fixes from Takashi Iwai:
"Just a handful of regression and small fixes in ASoC, HD-audio and
USB-audio drivers.
- Sigmetal HD-audio codec regression fixes
- A copule of XRUN indication fixes for usb-audio devices
- ASoC: ep93xx build fix, sgtl5000 fix for probe order changes,
max98088 register access fix, etc"
* tag 'sound-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hiface: return correct XRUN indication
ASoC: tegra: correct playback_dma_data setup
ASoC: core: double free in snd_soc_add_platform()
ALSA: usb-audio: 6fire: return correct XRUN indication
ASoC: ep93xx: fix build of ep93xx-ac97.c
ALSA: hda - Remove NO_PRESENCE bit override for Dell 1420n Laptop
ALSA: hda - Fix EAPD GPIO control for Sigmatel codecs
ASoC: atmel-ssc: remove clk_disable_unprepare call from critical section
ASoC: sgtl5000: defer the probe if clock is not found
ASoC: max98088 - fix element type of the register cache.
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Pull md fixes from Neil Brown:
"Two more bugfixes for md in 3.11
Both marked for -stable, both since 3.3. I guess I should spend more
time testing..."
* tag 'md/3.11-fixes' of git://neil.brown.name/md:
md/raid5: fix interaction of 'replace' and 'recovery'.
md/raid10: remove use-after-free bug.
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Pull libata fixes from Tejun Heo:
"Assorted libata updates.
The most critical one is a fix for ahci oops during boot. Also, a new
smallish platform ahci driver is added and sata_inic162x is marked
clearly as experimental (it whines during boot too) as data corruption
seems rather common on the device and it's unlikely to get any love in
the foreseeable future. If the whining doesn't draw any attention, I
think we'd probably be better of making the driver depend on BROKEN in
a couple releases"
This is v2 of this pull request with fixed dependencies for ahci_imx.
* 'for-3.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci_imx: depend on CONFIG_MFD_SYSCON
ahci_imx: add ahci sata support on imx platforms
ARM: imx6q: update the sata bits definitions of gpr13
ahci: fix Null pointer dereference in achi_host_active()
libata: make it clear that sata_inic162x is experimental
libata: replace strict_strtol() with kstrtol()
ata: Fix DVD not dectected at some platform with Wellsburg PCH
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We attempted to address a regression introduced by commit a57f7f9
(ACPICA: Add Windows8/Server2012 string for _OSI method.) after which
ACPI video backlight support doesn't work on a number of systems,
because the relevant AML methods in the ACPI tables in their BIOSes
become useless after the BIOS has been told that the OS is compatible
with Windows 8. That problem is tracked by the bug entry at:
https://bugzilla.kernel.org/show_bug.cgi?id=51231
Commit 8c5bd7a (ACPI / video / i915: No ACPI backlight if firmware
expects Windows 8) introduced for this purpose essentially prevented
the ACPI backlight support from being used if the BIOS had been told
that the OS was compatible with Windows 8 and the i915 driver was
loaded, in which case the backlight would always be handled by i915.
Unfortunately, however, that turned out to cause problems with
backlight to appear on multiple systems with symptoms indicating that
i915 was unable to control the backlight on those systems as
expected.
For this reason, revert commit 8c5bd7a, but leave the function
acpi_video_backlight_quirks() introduced by it, because another
commit on top of it uses that function.
References: https://lkml.org/lkml/2013/7/21/119
References: https://lkml.org/lkml/2013/7/22/261
References: https://lkml.org/lkml/2013/7/23/429
References: https://lkml.org/lkml/2013/7/23/459
References: https://lkml.org/lkml/2013/7/23/81
References: https://lkml.org/lkml/2013/7/24/27
Reported-and-tested-by: James Hogan <james@albanarts.com>
Reported-and-tested-by: Kamal Mostafa <kamal@canonical.com>
Reported-and-tested-by: Jörg Otte <jrg.otte@gmail.com>
Reported-and-tested-by: Steven Newbury <steve@snewbury.org.uk>
Reported-by: Martin Steigerwald <Martin@lichtvoll.de>
Reported-by: Kalle Valo <kvalo@adurom.com>
Tested-by: Joerg Platte <jplatte@naasa.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ahci_imx makes use of regmap but the dependency wasn't specified in
Kconfig leading build failures if CONFIG_AHCI_IMX is enabled but
CONFIG_MFD_SYSCON is not. Add the Kconfig dependency.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
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Brown-paper-bag pull request here. The snb rc6 fix from the last pull
broke forcewake BIOS dirt cleanup, which with fixed. But that fix broke
the spinlock init sequence, which results in an ugly BUG when spinlock
debugging is enabled :( So I get to throw another patch at cc: stable to
fix up the mess ...
* tag 'drm-intel-fixes-2013-07-25' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: initialize gt_lock early with other spin locks
drm/i915: fix hdmi portclock limits
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r600 dpm fixes, old school card dac fixes, lockup fixes
endian fixes
* 'drm-fixes-3.11' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/dpm: fix r600_enable_sclk_control()
drm/radeon/dpm: implement force performance levels for rv6xx
drm/radeon/dpm: fix displaygap programming on rv6xx
drm/radeon/dpm: fix a typo in the rv6xx mclk setup
drm/radeon: fix combios tables on older cards
drm/radeon: improve dac adjust heuristics for legacy pdac
drm/radeon: Another card with wrong primary dac adj
drm/radeon: fix endian issues with DP handling (v3)
drm/radeon/vm: only align the pt base to 32k
drm/radeon: wait for 3D idle before using CP DMA
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Actually program the correct register to enable
engine clock scaling control.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Allows you to limit the selected power levels via sysfs.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The device-tree enablement for max8925 has several problems, but besides
the bindings being wrong (and not having seen review) there's also some
bad coding practices on how to fill in the platform_data from device tree.
I came across this since it causes a warning when compiling
mmp2_defconfig, and instead of doing the minimal fix to silence the
warning, I restructured the code a bit.
This silences the warning:
drivers/video/backlight/max8925_bl.c: In function 'max8925_backlight_probe':
drivers/video/backlight/max8925_bl.c:177:3: warning: statement with no effect [-Wunused-value]
Note that the bindings themselves need to be revisited too, but that will
affect more than just the backlight driver and is best done separately;
this just fixes the bad code for the backlight driver.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Need to use the driver state rather than the register
state since the displays may not be enabled when the
power state is programmed.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Need to set high for the last two entries. Looks
like a copy and paste typo.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Control transfers have both IN and OUT (or SETUP) packets, so when
clearing TT buffers for a control transfer it's necessary to send
two HUB_CLEAR_TT_BUFFER requests to the hub.
Signed-off-by: William Gulland <wgulland@google.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix memory leaks introduced in commits:
40d133d7f542616cf9538508a372306e626a16e9
usb: gadget: f_ncm: convert to new function interface with backward compatibility
fee562a6450b7806f1fbbe1469a67b5395b5c10a
usb: gadget: f_ecm: convert to new function interface with backward compatibility
fcbdf12ebef73a6069e2a1aada1e546fb578a4aa
usb: gadget: f_phonet: convert to new function interface with backward compatibility
b29002a157940752dfed2c488b2011f63f007d71
usb: gadget: f_eem: convert to new function interface with backward compatibility
8cedba7c73af1369599b1111639cfeb66fe13aaa
usb: gadget: f_subset: convert to new function interface with backward compatibility
f466c6353819326873fa48a02c6f2d7c903240d6
usb: gadget: f_rndis: convert to new function interface with backward compatibility
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Allocated urbs and buffers were never freed on errors in open.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some (very few) early devices like mine, where not exposting a proper CDC
descriptor. This was fixed with an immediate firmware update from the vendor,
and pre-installed on newer devices.
So actual devices can be driven by cdc_acm.c + cdc_ether.c.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Speaks AT on interfaces 5 (command & PPP) and 3 (secondary), other
interface protocols are unknown.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Prevent the option driver from binding itself to the QMI/WWAN interface, making
it unusable by the proper driver.
Signed-off-by: enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sarah writes:
xhci: Bug fixes, now with more tags!
Hi Greg,
Here's five bug fixes for 3.12.
The three patches are marked for stable. Two fix NULL pointer dereferences.
The third marked for stable suppresses some serious log spam from unnecessary
xHCI driver warnings, whenever an isochronous short packet happens on an xHCI
1.0 host.
The other two patches fix build warnings.
Sarah Sharp
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We forgot to free the node itself when free:ing a map.
Reported-by: xulinuxkernel <xulinuxkernel@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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in some cases where device is attched to xhci port and do not responding,
for example ath9k_htc with stalled firmware, kernel will
crash on ring_doorbell_for_active_rings.
This patch check if pointer exist before it is used.
This patch should be backported to kernels as old as 2.6.35, that
contain the commit e9df17eb1408cfafa3d1844bfc7f22c7237b31b8 "USB: xhci:
Correct assumptions about number of rings per endpoint"
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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Xhci controllers with hci_version > 0.96 gives spurious success
events on short packet completion. During webcam capture the
"ERROR Transfer event TRB DMA ptr not part of current TD" was observed.
The same application works fine with synopsis controllers hci_version 0.96.
The same issue is seen with Intel Pantherpoint xhci controller. So enabling
this quirk in xhci_gen_setup if controller verion is greater than 0.96.
For xhci-pci move the quirk to much generic place xhci_gen_setup.
Note from Sarah:
The xHCI 1.0 spec changed how hardware handles short packets. The HW
will notify SW of the TRB where the short packet occurred, and it will
also give a successful status for the last TRB in a TD (the one with the
IOC flag set). On the second successful status, that warning will be
triggered in the driver.
Software is now supposed to not assume the TD is not completed until it
gets that last successful status. That means we have a slight race
condition, although it should have little practical impact. This patch
papers over that issue.
It's on my long-term to-do list to fix this race condition, but it is a
much more involved patch that will probably be too big for stable. This
patch is needed for stable to avoid serious log spam.
This patch should be backported to kernels as old as 3.0, that
contain the commit ad808333d8201d53075a11bc8dd83b81f3d68f0b "Intel xhci:
Ignore spurious successful event."
The patch will have to be modified for kernels older than 3.2, since
that kernel added the xhci_gen_setup function for xhci platform devices.
The correct conflict resolution for kernels older than 3.2 is to set
XHCI_SPURIOUS_SUCCESS in xhci_pci_quirks for all xHCI 1.0 hosts.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
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Fix warning when CONFIG_PCI is not enabled
(from commit 296365781903226a3fb8758901eaeec09d2798e4).
drivers/usb/host/pci-quirks.h: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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Greg Kroah-Hartman
Mark Brown
Laxman Dewangan
Kishon Vijay Abraham I
Olaf Hering
Linus Torvalds
Alexandru Juncu
Michal Simek
Tomas Winkler
K. Y. Srinivasan
Rafael J. Wysocki
Tejun Heo
Dave Airlie
Alex Deucher
Olof Johansson
William Gulland
Andrzej Pietrasiewicz
Johan Hovold
Enrico Mioso
Dan Williams
Linus Walleij
Oleksij Rempel
George Cherian
Randy Dunlap