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Many palmas family of PMICs have support for interrupt based power button.
This allows the device to notify the processor of external push button
events over the shared palmas interrupt. However, this event is generated
only during a "press" operation. Software is supposed to poll(sigh!) for
detecting a release event.
The PMIC also supports ability to power off independent of the software
decisions when the button is pressed for a long duration if the PMIC is
appropriately configured on the platform.
Even though the function is similar to twl4030_pwrbutton, it is
substantially different in operation to belong to a new driver of it's own.
Based on original work done by Girish S Ghongdemath <girishsg@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Something went a bit wrong in merging f5940231a - there's a bit of repeated
text that's been introduced.
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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So that firmware-id matching can be used with multiplexed aux ports too.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The sys_vendor / product_name are somewhat generic unfortunately, so this
may lead to some false positives. But nomux usually does no harm, where as
not having it clearly is causing problems on the Avatar AVIU-145A6.
https://bugzilla.kernel.org/show_bug.cgi?id=77391
Cc: stable@vger.kernel.org
Reported-by: Hugo P <saurosii@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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https://bugzilla.kernel.org/show_bug.cgi?id=69731
Cc: stable@vger.kernel.org
Reported-by: Jason Robinson <mail@jasonrobinson.me>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We are getting more and more reports about LG laptops not having
functioning keyboard if we try to deactivate keyboard during probe.
Given that having keyboard deactivated is merely "nice to have"
instead of a hard requirement for probing, let's disable it on all
LG boxes instead of trying to hunt down particular models.
This change is prompted by patches trying to add "LG Electronics"/"ROCKY"
and "LG Electronics"/"LW60-F27B" to the DMI list.
https://bugzilla.kernel.org/show_bug.cgi?id=77051
Cc: stable@vger.kernel.org
Reported-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Reported-by: Georgios Tsalikis <georgios@tsalikis.net>
Tested-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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ST SPEAR1340-MIPHY support should be available only on
ST SPEAr1340 machine.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Pratyush Anand <pratyush.anand@st.com>
Cc: Mohit Kumar <mohit.kumar@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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ST SPEAR1310-MIPHY support should be available only on
ST SPEAr1310 machine.
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Pratyush Anand <pratyush.anand@st.com>
Cc: Mohit Kumar <mohit.kumar@st.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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We index the RX/TX speed select values in the following way:
rx_tx_spd[miphy_phy->sata_gen];
However rx_tx_spd[] starts at index zero and the SATA_GENx's start
at one. In this patch we pad out the first element in rx_tx_spd[]
in an attempt to realign the values.
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Reported-by: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Type error and cause AST2000 cannot be detected correctly
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Reviewed-by: Egbert Eich <eich@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Some config settings like 3rd TX chips will not get correctly
if the extended reg is protected
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Reviewed-by: Egbert Eich <eich@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
"The main thing here is a set of three patches that fix a buffer
overrun for large authentication tickets (sigh).
There is also a trivial warning fix and an error path fix that are
both regressions"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
libceph: do not hard code max auth ticket len
libceph: add process_one_ticket() helper
libceph: gracefully handle large reply messages from the mon
rbd: fix error return code in rbd_dev_device_setup()
rbd: avoid format-security warning inside alloc_workqueue()
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen bug fixes from David Vrabel:
- fix for PVHVM suspend/resume and migration
- don't pointlessly retry certain ballooning ops
- fix gntalloc when grefs have run out.
- fix PV boot if KSALR is enable or very large modules are used.
* tag 'stable/for-linus-3.17-b-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: don't copy bogus duplicate entries into kernel page tables
xen/gntalloc: safely delete grefs in add_grefs() undo path
xen/gntalloc: fix oops after runnning out of grant refs
xen/balloon: cancel ballooning if adding new memory failed
xen/manage: Always freeze/thaw processes when suspend/resuming
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git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux
Pull powerpc fixes from Michael Ellerman:
"Ben's travelling so this is my first attempt at a pull request.
There's nothing too exciting. The CONFIG_FHANDLE one is annoying, I
know you love defconfig changes. But we've had a couple of developers
waste time debugging boxes that wouldn't boot, only to realise it's
just that systemd needs CONFIG_FHANDLE and our defconfigs don't have
it.
The new syscalls seem to be working, I've run the selftests that
exist, and also let trinity bash on them for a while"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc: Wire up sys_seccomp(), sys_getrandom() and sys_memfd_create()
powerpc: Make CONFIG_FHANDLE=y for all 64 bit powerpc defconfigs
powerpc: use machine_subsys_initcall() for opal_hmi_handler_init()
powerpc/perf: Fix ABIv2 kernel backtraces
powerpc/pseries: Fix endian issues in memory hotplug
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.17-rc4
Some late fixes for dwc3 so we have something more stable
on v3.17-final.
Most bugs have been there for quite a while and nobody
noticed, except for TRB completion when multiple TRBs
are started.
Patches were tested on AM437x SK and J6 EVM and are passing
my tests.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Fix incorrect clock names for usb1, pcie1 and domain register
offset for pcie1 clock nodes on K2E EVM
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
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Resuming from hibernate (S4) will restart and re-initialize xHC.
The device contexts are freed and will be re-allocated later during device reset.
Usb core will disable link pm in device resume before device reset, which will
try to change the max exit latency, accessing the device contexts before they are re-allocated.
There is no need to zero (disable) the max exit latency when disabling hw lpm
for a freshly re-initialized xHC. So check that device context exists before
doing anything. The max exit latency will be set again after device reset when usb core
enables the link pm.
Reported-by: Imre Deak <imre.deak@intel.com>
Tested-by: Imre Deak <imre.deak@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The xhci driver will OOPS on resume from S2/S3 if dma_alloc_coherent()
is out of memory. This is a result of two things:
1. xhci_mem_cleanup() in xhci-mem.c free's xhci->lpm_command if
it's not NULL, but doesn't set it to NULL after the free.
2. xhci_mem_cleanup() is called twice on resume, once for normal
restart and once from xhci_mem_init() if dma_alloc_coherent() fails,
resulting in a free of xhci->lpm_command that has already been freed.
The fix is to set xhci->lpm_command to NULL after freeing it.
Signed-off-by: Al Cooper <alcooperx@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If xhci initialization fails before the roothub bandwidth
domains (xhci->rh_bw[i]) are allocated it will oops when
trying to access rh_bw members in xhci_mem_cleanup().
Reported-by: Manuel Reimer <manuel.reimer@gmx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Iomega Jaz USB Adapter is a SCSI-USB converter cable. The hardware
seems to be identical to e.g. the Microtech XpressSCSI, using a Shuttle/
SCM chip set. However its firmware restricts it to only work with Jaz
drives.
On connecting the cable a message like this appears four times in the log:
reset full speed USB device number 4 using uhci_hcd
That's non-fatal but the US_FL_SINGLE_LUN quirk fixes it.
Signed-off-by: Mark Knibbs <markk@clara.co.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"These are regression fixes (cpufreq, ACPI battery) and fixes for stuff
that never worked correctly (ACPI RTC operation region handler and PM
domain implementation in the ACPI LPSS driver).
Specifics:
- Fix for the cpufreq Operation Performance Points (OPP) code where a
recent commit added a kcalloc() call with an incorrect ordering of
arguments. From Anand Moon.
- Reverts of two ACPI battery commits that caused incorrect
diagnostic information to be printed to dmesg in some cases from
Bjørn Mork.
- Fix for the ACPI RTC operation region handler that applied the &
operator to an argument already representing an address and that
caused it to overwrite its own argument instead of writing to the
address contained in it as expected. From Chun-Yi Lee.
- Fix for the PM domain implementation in the ACPI LPSS (Low-Power
Subsystem) driver where one callback pointer pointed to a wrong
routine and one was NULL, but it shouldn't. From Fu Zhonghui"
* tag 'pm+acpi-3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / LPSS: complete PM entries for LPSS power domain
Revert "ACPI / battery: fix wrong value of capacity_now reported when fully charged"
Revert "ACPI / battery: Fix warning message in acpi_battery_get_state()"
ACPI / RTC: Fix CMOS RTC opregion handler accesses to wrong addresses
cpufreq / OPP: Fix the order of arguments for kcalloc()
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This reverts commit 09ebb810927a110e4c354beb20308830d108a54b.
ath9k_hw_set_sta_beacon_timers() configures AR_TIM_PERIOD with
the beacon interval. Before this commit, the sleepduration was
never greater than the beacon interval. But now, the behavior
has changed. For example, with an AP that uses a beacon interval of 100:
ath: phy9: next beacon 61128704
ath: phy9: beacon period 204800
ath: phy9: DTIM period 204800
If the sleepduration is calculated based on the listen time, then
the bmiss threshold should also be changed since the HW would
be in sleep state for a longer time, but that is not done currently.
To avoid configuring a higher beacon interval based on the sleepduration,
revert to the original behavior. Power consumption is not a
problem since PS is disabled in ath9k anyway.
Cc: stable@vger.kernel.org
Cc: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove the rbtree used to keep track of machine to physical mappings:
the frontend can grant the same page multiple times, leading to errors
inserting or removing entries from the mach_to_phys tree.
Linux only needed to know the physical address corresponding to a given
machine address in swiotlb-xen. Now that swiotlb-xen can call the
xen_dma_* functions passing the machine address directly, we can remove
it.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Denis Schneider <v1ne2go@gmail.com>
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xen_dma_unmap_page, xen_dma_sync_single_for_cpu and
xen_dma_sync_single_for_device are currently implemented by calling into
the corresponding generic ARM implementation of these functions. In
order to do this, firstly the dma_addr_t handle, that on Xen is a
machine address, needs to be translated into a physical address. The
operation is expensive and inaccurate, given that a single machine
address can correspond to multiple physical addresses in one domain,
because the same page can be granted multiple times by the frontend.
To avoid this problem, we introduce a Xen specific implementation of
xen_dma_unmap_page, xen_dma_sync_single_for_cpu and
xen_dma_sync_single_for_device, that can operate on machine addresses
directly.
The new implementation relies on the fact that the hypervisor creates a
second p2m mapping of any grant pages at physical address == machine
address of the page for dom0. Therefore we can access memory at physical
address == dma_addr_r handle and perform the cache flushing there. Some
cache maintenance operations require a virtual address. Instead of using
ioremap_cache, that is not safe in interrupt context, we allocate a
per-cpu PAGE_KERNEL scratch page and we manually update the pte for it.
arm64 doesn't need cache maintenance operations on unmap for now.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Denis Schneider <v1ne2go@gmail.com>
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The flag tells us that the hypervisor maps a grant page to guest
physical address == machine address of the page in addition to the
normal grant mapping address. It is needed to properly issue cache
maintenance operation at the completion of a DMA operation involving a
foreign grant.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Tested-by: Denis Schneider <v1ne2go@gmail.com>
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Commit d4d8819e205854c ("bus: omap_l3_noc: fix masterid detection")
did the right thing in dropping the LSB 2 bits which is not part
of the ConnID for NTTP master address. However, as part of that
change, we should also have ensured that existing list of OMAP4 connID
codes are also shifted by 2 bits to ensure that connIDs map to "Table
13-18. ConnID Values" as provided in Technical Reference Manuals for
OMAP4430(Rev AP, April 2014, SWPU220AP) and OMAP4460(Rev AB, April
2014, SWPU234AB)
Fixes: d4d8819e205854c ("bus: omap_l3_noc: fix masterid detection")
Reported-by: Kristian Otnes <kotnes@cisco.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Nathan reports that we leak TLS information from the parent context
during an exec, as we don't clear the TLS registers when flushing the
thread state.
This patch updates the flushing code so that we:
(1) Unconditionally zero the tpidr_el0 register (since this is fully
context switched for native tasks and zeroed for compat tasks)
(2) Zero the tp_value state in thread_info before clearing the
tpidrr0_el0 register for compat tasks (since this is only writable
by the set_tls compat syscall and therefore not fully switched).
A missing compiler barrier is also added to the compat set_tls syscall.
Cc: <stable@vger.kernel.org>
Acked-by: Nathan Lynch <Nathan_Lynch@mentor.com>
Reported-by: Nathan Lynch <Nathan_Lynch@mentor.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Pull dmaengine fixes from Vinod Koul:
"Two minor fixes.
First one from Kuninori clarifying dmas bindings and second from Lars
for fixing dma descriptor completion in non cyclic case"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: jz4740: Fix non-cyclic descriptor completion
dt/bindings: rcar-audmapp: tidyup dmas explanation
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull two pin control fixes from Linus Walleij:
- fix a warning about unbalanced IRQs on the Baytrail
- update Tomasz Figa's address in MAINTAINERS
* tag 'pinctrl-v3.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
MAINTAINERS: Tomasz has moved
pinctrl: baytrail: resolve unbalanced IRQ wake disable warning
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
"An update to Synaptics PS/2 driver to handle "ForcePads" (currently
found in HP EliteBook 1040 laptops), a change for Elan PS/2 driver to
detect newer touchpads, bunch of devices get annotated as Trackpoint
and/or Pointer to help userspace classify and handle them, plus
assorted driver fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: serport - add compat handling for SPIOCSTYPE ioctl
Input: atmel_mxt_ts - fix double free of input device
Input: synaptics - add support for ForcePads
Input: matrix_keypad - use request_any_context_irq()
Input: atmel_mxt_ts - downgrade warning about empty interrupts
Input: wm971x - fix typo in module parameter description
Input: cap1106 - fix register definition
Input: add missing POINTER / DIRECT properties to a bunch of drivers
Input: add INPUT_PROP_POINTING_STICK property
Input: elantech - fix detection of touchpad on ASUS s301l
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The SPDIF control register must be written to set the data type in hw_params
not the ADC control register.
Signed-off-by: Paul Handrigan <Paul.Handrigan@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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* acpi-rtc:
ACPI / RTC: Fix CMOS RTC opregion handler accesses to wrong addresses
* acpi-lpss:
ACPI / LPSS: complete PM entries for LPSS power domain
* acpi-battery:
Revert "ACPI / battery: fix wrong value of capacity_now reported when fully charged"
Revert "ACPI / battery: Fix warning message in acpi_battery_get_state()"
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* pm-cpufreq:
cpufreq / OPP: Fix the order of arguments for kcalloc()
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Before we really unregister the hwrng device, reading will get stuck if
the virtio device is reset. We should return error for reading when we
start to remove the device.
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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When we try to hot-remove a busy virtio-rng device from QEMU monitor,
the device can't be hot-removed. Because virtio-rng driver hangs at
wait_for_completion_killable().
This patch exits the waiting by completing have_data completion before
unregistering, resets data_avail to avoid the hwrng core use wrong
buffer bytes.
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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When a driver is set up without the jack detection explicitly (either
by passing a model option or via a specific fixup), the pin powermap
of IDT/STAC codecs is set up wrongly, resulting in the silence
output. It's because of a logic failure in stac_init_power_map().
It tries to avoid creating a callback for the pins that have other
auto-hp and auto-mic callbacks, but the check is done in a wrong way
at a wrong time. The stac_init_power_map() should be called after
creating other jack detection ctls, and the jack callback should be
created only for jack-detectable widgets.
This patch fixes the check in stac_init_power_map() and its callee
at the right place, after snd_hda_gen_build_controls().
Reported-by: Adam Richter <adam_richter2004@yahoo.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://people.freedesktop.org/~robclark/linux into drm-fixes
A couple more little fixes:
1) fix from llvm/clang folks
2) fix build if common clock framework is not used
3) if vram carveout is used, have default size for vram carveout
* 'msm-fixes-3.17-rc4' of git://people.freedesktop.org/~robclark/linux:
drm/msm: don't crash if no msm.vram param
drm/msm/hdmi: fix build break on non-CCF platforms
drm/msm: Change nested function to static function
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If VRAM carveout is used, due to no IOMMU, we should have a default
value for msm.vram so that we don't simply crash.
Reported-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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There is currently a nested function in Russel King's tree
for the msm HDMI driver.
The last nested function was removed from the Linux kernel
when the Thinkpad driver was fixed.
I believe nested functions are not desired upstream, and it
also breaks compilation with clang so here is a patch to
change the nested function into static function. The patch
works with both clang and gcc.
Signed-off-by: Mark Charlebois <charlebm@gmail.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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git://anongit.freedesktop.org/drm-intel into drm-fixes
more fixes for 3.17, almost all Cc: stable material.
* tag 'drm-intel-fixes-2014-09-10' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Wait for vblank before enabling the TV encoder
drm/i915: Evict CS TLBs between batches
drm/i915: Fix irq enable tracking in driver load
drm/i915: Fix EIO/wedged handling in gem fault handler
drm/i915: Prevent recursive deadlock on releasing a busy userptr
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into drm-fixes
Just a few fixes for radeon for 3.17.
* 'drm-fixes-3.17' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon/dpm: set the thermal type properly for special configs
drm/radeon: reduce memory footprint for debugging
drm/radeon: add connector quirk for fujitsu board
drm/radeon: fix semaphore value init
drm/radeon: only use me/pfp sync on evergreen+
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MAXQUOTAS value defines maximum number of quota types VFS supports.
This isn't necessarily the number of types gfs2 supports and with
addition of project quotas these two numbers stop matching. So make gfs2
use its private definition.
CC: cluster-devel@redhat.com
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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Fix a regression introduced by:
6d4ade986f9c8df31e68 GFS2: Add atomic_open support
where an early return misses d_splice_alias() which had been
adding the negative dentry.
Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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using LVDS channel 1 on an i.MX53 leads to following error:
imx-ldb 53fa8008.ldb: unable to set di0 parent clock to ldb_di1
This comes from imx_ldb_set_clock with mux = 0. Mux parameter must be "1" for
reparenting di1 clock to ldb_di1. The value of the mux param comes from device
tree port settings.
On i.MX5, the internal two-input-multiplexer is used. Due to hardware limitations,
only one port (port@[0,1]) can be used for each channel (lvds-channel@[0,1],
respectively)
Documentation update suggested by Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
Fixes: e05c8c9a790a ("ARM: dts: imx53: Add IPU DI ports and endpoints, move imx-drm node to dtsi")
Cc: <stable@vger.kernel.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Apparently can_restart() runs from a (timer-) interrupt and can call
flexcan_chip_[en|dis]able(), so avoid using usleep_range()
Signed-off-by: David Jander <david@protonic.nl>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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We need to make sure to deqeueue the descriptor from the active list before
we call vchan_cookie_complete(). Also we need obviously only set chan->desc
to NULL after we stopped using it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Initialize USB PHY after every Link controller reset
Cc: 3.16+ <stable@vger.kernel.org>
Cc: Tim Bird <tbird20d@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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PHY drivers keep track of the current state of the hardware,
so don't change PHY settings under it.
Cc: 3.16+ <stable@vger.kernel.org>
Cc: Tim Bird <tbird20d@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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