- Revert three recent intel_pstate driver commits one of which
introduced a regression and the remaining two depend on the
problematic one (Rafael Wysocki).
- Fix breakage related to the recently introduced ACPI _CCA object
support in the PCI DMA setup code (Suravee Suthikulpanit).
- Fix up the recently introduced ACPI CPPC support to only
use the hardware-reduced version of the PCCT structure as
the only architecture to support it (ARM64) will only use
hardware-reduced ACPI anyway (Ashwin Chaugule).
- Fix a cpufreq mediatek driver build problem (Arnd Bergmann).
- Fix the SMBus transaction handling implementation in the ACPI
core to avoid re-entrant calls to wait_event_timeout() which
makes intermittent boot stalls related to the Smart Battery
Subsystem initialization go away and revert a workaround of
another problem with the same underlying root cause (Chris
Bainbridge).
- Fix the generic wakeup interrupts framework to avoid using
invalid IRQ numbers (Dmitry Torokhov).
- Remove a redundant check from the ACPI EC driver (Markus Elfring).
- Modify the intel_pstate driver so it can support more Atom flavors
than just one (Baytrail) and add support for Atom Airmont cores
(which require new freqnency tables) to it (Philippe Longepe).
- Clean up MSR-related symbols in turbostat (Len Brown).
/
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Merge tag 'pm+acpi-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"These are mostly fixes and cleanups (ACPI core, PM core, cpufreq, ACPI
EC driver, device properties) including three reverts of recent
intel_pstate driver commits due to a regression introduced by one of
them plus support for Atom Airmont cores in intel_pstate (which really
boils down to adding new frequency tables for Airmont) and additional
turbostat updates.
Specifics:
- Revert three recent intel_pstate driver commits one of which
introduced a regression and the remaining two depend on the
problematic one (Rafael Wysocki).
- Fix breakage related to the recently introduced ACPI _CCA object
support in the PCI DMA setup code (Suravee Suthikulpanit).
- Fix up the recently introduced ACPI CPPC support to only use the
hardware-reduced version of the PCCT structure as the only
architecture to support it (ARM64) will only use hardware-reduced
ACPI anyway (Ashwin Chaugule).
- Fix a cpufreq mediatek driver build problem (Arnd Bergmann).
- Fix the SMBus transaction handling implementation in the ACPI core
to avoid re-entrant calls to wait_event_timeout() which makes
intermittent boot stalls related to the Smart Battery Subsystem
initialization go away and revert a workaround of another problem
with the same underlying root cause (Chris Bainbridge).
- Fix the generic wakeup interrupts framework to avoid using invalid
IRQ numbers (Dmitry Torokhov).
- Remove a redundant check from the ACPI EC driver (Markus Elfring).
- Modify the intel_pstate driver so it can support more Atom flavors
than just one (Baytrail) and add support for Atom Airmont cores
(which require new freqnency tables) to it (Philippe Longepe).
- Clean up MSR-related symbols in turbostat (Len Brown)"
* tag 'pm+acpi-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI: Fix OF logic in pci_dma_configure()
Revert "Documentation: kernel_parameters for Intel P state driver"
cpufreq: mediatek: fix build error
cpufreq: intel_pstate: Add separate support for Airmont cores
cpufreq: intel_pstate: Replace BYT with ATOM
Revert "cpufreq: intel_pstate: Use ACPI perf configuration"
Revert "cpufreq: intel_pstate: Avoid calculation for max/min"
ACPI-EC: Drop unnecessary check made before calling acpi_ec_delete_query()
Revert "ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook"
ACPI / SMBus: Fix boot stalls / high CPU caused by reentrant code
PM / wakeirq: check that wake IRQ is valid before accepting it
ACPI / CPPC: Use h/w reduced version of the PCCT structure
x86: remove unused definition of MSR_NHM_PLATFORM_INFO
tools/power turbostat: use new name for MSR_PLATFORM_INFO
This patch fixes obvious copy-past error in wake up irq parsing
code which leads to the fact that dev_pm_set_wake_irq() will
be called with wrong IRQ number when "wakeup" IRQ is not
defined in DT.
Fixes: 3fffd12839 ("i2c: allow specifying separate wakeup interrupt in device tree")
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: <stable@vger.kernel.org> # v4.3
As I'm using a board with a broken old bootloader I hardcoded the
mips_machtype and did't notice that the machine entry was still
missing.
[ralf@linux-mips.org: Fixed spelling message noticed by Sergei Shtylyov
<sergei.shtylyov@cogentembedded.com>.]
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11503/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
There is 2 registers that is 8 bytes long, not 4.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alexander Couzens <lynxis@fe80.eu>
Cc: Joel Porquet <joel@porquet.org>
Cc: Andrew Bresticker <abrestic@chromium.org>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11508/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The DDR control initialization needs to know the SoC type, however
ath79_detect_sys_type() was called after ath79_ddr_ctrl_init().
Reverse the order to fix the DDR control initialization on ar71xx and
ar934x.
Signed-off-by: Alban Bedel <albeu@free.fr>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Qais Yousef <qais.yousef@imgtec.com>
Cc: Andrew Bresticker <abrestic@chromium.org>
CC: stable@vger.kernel.org # v4.2+
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11500/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The definition of start_thread_som was planned to be used to execute
HP-UX SOM binaries. Since HP-UX compatibility was dropped with kernel 4.0
there is no need to carry it further.
Signed-off-by: Helge Deller <deller@gmx.de>
This has odd fixes spreadout drivers, not major here
- usbdmac fixes for pm
- edma build and logic fixes
- build warn fixes for few drivers
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Merge tag 'dmaengine-fix-4.4-rc2' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"This has odd fixes spreadout drivers, not major here
- usbdmac fixes for pm
- edma build and logic fixes
- build warn fixes for few drivers"
* tag 'dmaengine-fix-4.4-rc2' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: at_hdmac: use %pad format string for dma_addr_t
dmaengine: at_xdmac: use %pad format string for dma_addr_t
dmaengine: imx-sdma: remove __init annotation on sdma_event_remap
dmaengine: edma: predecence bug in GET_NUM_QDMACH()
dmaengine: edma: fix build without CONFIG_OF
dmaengine: of_dma: Correct return code for of_dma_request_slave_channel in case !CONFIG_OF
dmaengine: sh: usb-dmac: Fix pm_runtime_{enable,disable}() imbalance
dmaengine: sh: usb-dmac: Fix crash on runtime suspend
Pull drm fixes from Dave Airlie:
"A varied bunch of fixes, the radeon pull is probably a bit larger than
I'd like, but it contains 2 weeks of stuff, and the Fiji fixes are a
bit large, but they are Fiji specific.
Otherwise:
- mgag200: One cursor regression oops fix.
- vc4: A few small fixes and cleanups.
- core: Atomic fixes and Atomic helper fixes
- i915: Revert for the backlight regression along with a bunch of
fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (58 commits)
drm/atomic-helper: Check encoder/crtc constraints
Revert "drm/i915: skip modeset if compatible for everyone."
drm/mgag200: fix kernel hang in cursor code.
drm/amdgpu: reserve/unreserve objects out of map/unmap operations
drm/amdgpu: move bo_reserve out of amdgpu_vm_clear_bo
drm/amdgpu: add lock for interval tree in vm
drm/amdgpu: keep the owner for VMIDs
drm/amdgpu: move VM manager clean into the VM code again
drm/amdgpu: cleanup VM coding style
drm/amdgpu: remove unused VM manager field
drm/amdgpu: cleanup scheduler command submission
drm/amdgpu: fix typo in firmware name
drm/i915: Consider SPLL as another shared pll, v2.
drm/i915: Fix gpu frequency change tracing
drm/vc4: Make sure that planes aren't scaled.
drm/vc4: Fix some failure to track __iomem decorations on pointers.
drm/vc4: checking for NULL instead of IS_ERR
drm/vc4: fix itnull.cocci warnings
drm/vc4: fix platform_no_drv_owner.cocci warnings
drm/vc4: vc4_plane_duplicate_state() can be static
...
The most significant is that the driver wasn't starting the timer
for some messages, which would result in problems if that message
failed for some reason.
The others are small optimizations or making things a little neater.
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Merge tag 'for-linus-4.4' of git://git.code.sf.net/p/openipmi/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Some fixes for small IPMI problems.
The most significant is that the driver wasn't starting the timer for
some messages, which would result in problems if that message failed
for some reason.
The others are small optimizations or making things a little neater"
* tag 'for-linus-4.4' of git://git.code.sf.net/p/openipmi/linux-ipmi:
ipmi watchdog : add panic_wdt_timeout parameter
char: ipmi: Move MODULE_DEVICE_TABLE() to follow struct
ipmi: Stop the timer immediately if idle
ipmi: Start the timer and thread on internal msgs
* Remove now unnecessary reference to CONFIG_ARCH_SHMOBILE_MULTI
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Merge tag 'renesas-sh-drivers-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas
Pull SH driver fixlet from Simon Horman:
"I am sending this change after v4.4-rc1 has been released as it
depends on SoC changes which are present in that rc:
= Remove now unnecessary reference to CONFIG_ARCH_SHMOBILE_MULTI"
* tag 'renesas-sh-drivers-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
drivers: sh: Get rid of CONFIG_ARCH_SHMOBILE_MULTI
It is not permitted to set task state before lock. usblp_wwait sets
the state to TASK_INTERRUPTIBLE and calls mutex_lock_interruptible.
Upon return from that function, the state will be TASK_RUNNING again.
This is clearly a bug and a warning is generated with LOCKDEP too:
WARNING: CPU: 1 PID: 5109 at kernel/sched/core.c:7404 __might_sleep+0x7d/0x90()
do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffffa0c588d0>] usblp_wwait+0xa0/0x310 [usblp]
Modules linked in: ...
CPU: 1 PID: 5109 Comm: captmon Tainted: G W 4.2.5-0.gef2823b-default #1
Hardware name: LENOVO 23252SG/23252SG, BIOS G2ET33WW (1.13 ) 07/24/2012
ffffffff81a4edce ffff880236ec7ba8 ffffffff81716651 0000000000000000
ffff880236ec7bf8 ffff880236ec7be8 ffffffff8106e146 0000000000000282
ffffffff81a50119 000000000000028b 0000000000000000 ffff8802dab7c508
Call Trace:
...
[<ffffffff8106e1c6>] warn_slowpath_fmt+0x46/0x50
[<ffffffff8109a8bd>] __might_sleep+0x7d/0x90
[<ffffffff8171b20f>] mutex_lock_interruptible_nested+0x2f/0x4b0
[<ffffffffa0c588fc>] usblp_wwait+0xcc/0x310 [usblp]
[<ffffffffa0c58bb2>] usblp_write+0x72/0x350 [usblp]
[<ffffffff8121ed98>] __vfs_write+0x28/0xf0
...
Commit 7f477358e2 (usblp: Implement the
ENOSPC convention) moved the set prior locking. So move it back after
the lock.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Fixes: 7f477358e2 ("usblp: Implement the ENOSPC convention")
Acked-By: Pete Zaitcev <zaitcev@yahoo.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make cxacru an orphan. I still have a few of these devices for testing
but haven't had an ADSL1 connection for several years.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When choose randconfig for kernel build, it reports below warning:
"warning: (USB_OTG_FSM && FSL_USB2_OTG && USB_MV_OTG) selects USB_OTG
which has unmet direct dependencies (USB_SUPPORT && USB && PM)"
In fact, USB_OTG is visible symbol and depends on PM, so the driver
needs to depend on it to reduce dependency problem.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thomas reports
"
4gsystems sells two total different LTE-surfsticks under the same name.
..
The newer version of XS Stick W100 is from "omega"
..
Under windows the driver switches to the same ID, and uses MI03\6 for
network and MI01\6 for modem.
..
echo "1c9e 9b01" > /sys/bus/usb/drivers/qmi_wwan/new_id
echo "1c9e 9b01" > /sys/bus/usb-serial/drivers/option1/new_id
T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1c9e ProdID=9b01 Rev=02.32
S: Manufacturer=USB Modem
S: Product=USB Modem
S: SerialNumber=
C: #Ifs= 5 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I: If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
Now all important things are there:
wwp0s29f7u2i3 (net), ttyUSB2 (at), cdc-wdm0 (qmi), ttyUSB1 (at)
There is also ttyUSB0, but it is not usable, at least not for at.
The device works well with qmi and ModemManager-NetworkManager.
"
Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* acpi-smbus:
Revert "ACPI / SBS: Add 5 us delay to fix SBS hangs on MacBook"
ACPI / SMBus: Fix boot stalls / high CPU caused by reentrant code
* acpi-ec:
ACPI-EC: Drop unnecessary check made before calling acpi_ec_delete_query()
* acpi-pci:
PCI: Fix OF logic in pci_dma_configure()
* pm-cpufreq:
Revert "Documentation: kernel_parameters for Intel P state driver"
cpufreq: mediatek: fix build error
cpufreq: intel_pstate: Add separate support for Airmont cores
cpufreq: intel_pstate: Replace BYT with ATOM
Revert "cpufreq: intel_pstate: Use ACPI perf configuration"
Revert "cpufreq: intel_pstate: Avoid calculation for max/min"
* acpi-cppc:
ACPI / CPPC: Use h/w reduced version of the PCCT structure
This patch fixes a bug introduced by previous commit,
which incorrectly checkes the of_node of the end-point device.
Instead, it should check the of_node of the host bridge.
Fixes: 50230713b6 ("PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()")
Reported-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
i915 fixes for 4.4, including the revert for the backlight regression
Olof reported. Otherwise fixes all around.
* tag 'drm-intel-fixes-2015-11-19' of git://anongit.freedesktop.org/drm-intel:
Revert "drm/i915: skip modeset if compatible for everyone."
drm/i915: Consider SPLL as another shared pll, v2.
drm/i915: Fix gpu frequency change tracing
drm/i915: Don't clobber the addfb2 ioctl params
drm/i915: Clear intel_crtc->atomic before updating it.
drm/i915: get runtime PM reference around GEM set_caching IOCTL
drm/i915: Fix GT frequency rounding
drm/i915: quirk backlight present on Macbook 4, 1
drm/i915: Fix crtc_y assignment in intel_find_initial_plane_obj()
Here are some drm core fixes for v4.4 that I've picked up. Atomic fixes
from Maarten, and atomic helper fixes from Ville and Daniel.
Admittedly the topmost commit didn't sit in our tree for very long, but
does come with reviews and testing from trustworthy people.
* tag 'topic/drm-fixes-2015-11-19' of git://anongit.freedesktop.org/drm-intel:
drm/atomic-helper: Check encoder/crtc constraints
drm: Fix primary plane size for stereo doubled modes for legacy setcrtc
drm/core: Fix old_fb handling in pan_display_atomic.
drm/core: Fix old_fb handling in restore_fbdev_mode_atomic.
drm/atomic: add a drm_atomic_clean_old_fb helper.
drm/core: Fix old_fb handling in drm_mode_atomic_ioctl.
drm/core: Set legacy_cursor_update in drm_atomic_helper_disable_plane.
Here are some new device ids, support for an odd qcserial Gobi interface
layout and a fix for the qcserial Huawei interface layout.
Signed-off-by: Johan Hovold <johan@kernel.org>
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Merge tag 'usb-serial-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.4-rc2
Here are some new device ids, support for an odd qcserial Gobi interface
layout and a fix for the qcserial Huawei interface layout.
Signed-off-by: Johan Hovold <johan@kernel.org>
- Fix size alignment in __iommu_{alloc,free}_attrs
- Kernel memory mapping fix with CONFIG_DEBUG_RODATA for page sizes
other than 4KB and a fix of the mark_rodata_ro permissions
- dma_get_ops() simplification and behaviour alignment between DT and
ACPI
- function_graph trace fix for cpu_suspend() (CPUs returning from deep
sleep via a different path and confusing the tracer)
- Use of non-global mappings for UEFI run-time services to avoid a
(potentially theoretical) TLB conflict
- Crypto priority reduction of core AES cipher (the accelerated
asynchronous implementation is preferred when available)
- Reverting an old commit that removed BogoMIPS from /proc/cpuinfo on
arm64. Apparently, we had it for a relatively short time and libvirt
started checking for its presence
- Compiler warnings fixed (ptrace.h inclusion from compat.h,
smp_load_acquire with const argument)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Fix size alignment in __iommu_{alloc,free}_attrs
- Kernel memory mapping fix with CONFIG_DEBUG_RODATA for page sizes
other than 4KB and a fix of the mark_rodata_ro permissions
- dma_get_ops() simplification and behaviour alignment between DT and
ACPI
- function_graph trace fix for cpu_suspend() (CPUs returning from deep
sleep via a different path and confusing the tracer)
- Use of non-global mappings for UEFI run-time services to avoid a
(potentially theoretical) TLB conflict
- Crypto priority reduction of core AES cipher (the accelerated
asynchronous implementation is preferred when available)
- Reverting an old commit that removed BogoMIPS from /proc/cpuinfo on
arm64. Apparently, we had it for a relatively short time and libvirt
started checking for its presence
- Compiler warnings fixed (ptrace.h inclusion from compat.h,
smp_load_acquire with const argument)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: restore bogomips information in /proc/cpuinfo
arm64: barriers: fix smp_load_acquire to work with const arguments
arm64: Fix R/O permissions in mark_rodata_ro
arm64: crypto: reduce priority of core AES cipher
arm64: use non-global mappings for UEFI runtime regions
arm64: kernel: pause/unpause function graph tracer in cpu_suspend()
arm64: do not include ptrace.h from compat.h
arm64: simplify dma_get_ops
arm64: mm: use correct mapping granularity under DEBUG_RODATA
arm64/dma-mapping: Fix sizes in __iommu_{alloc,free}_attrs
Pull livepatching fix from Jiri Kosina:
"A fix for module handling in case kASLR has been enabled, from Zhou
Chengming"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: x86: fix relocation computation with kASLR
Pull HID fixes from Jiri Kosina:
"Two functional fixes for wacom HID driver from Ping Cheng and Jiri
Kosina"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: wacom: fixup quirks setup for WACOM_DEVICETYPE_PAD
HID: wacom: Add outbounding area for DTU1141
- Improve reliability when selecting HS200 mode
- Improve reliability when selecting HS400 mode
- mmc: remove bondage between REQ_META and reliable write
MMC host:
- pxamci: Fix read-only gpio detection polarity
- mtk-sd: Preinitialize delay_phase to fix the case when delay is zero
- android-goldfish: Fix build dependency by adding HAS_DMA
- dw_mmc: Remove Seungwon Jeon from MAINTAINERS
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Merge tag 'mmc-v4.4-rc1' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC fixes from Ulf Hansson:
"Here are some mmc fixes intended for v4.4 rc2. It's based on a commit
prior rc1 as I wanted to get them a bit more tested in next before
sending you the pull request.
MMC core:
- Improve reliability when selecting HS200 mode
- Improve reliability when selecting HS400 mode
- mmc: remove bondage between REQ_META and reliable write
MMC host:
- pxamci: Fix read-only gpio detection polarity
- mtk-sd: Preinitialize delay_phase to fix the case when delay is zero
- android-goldfish: Fix build dependency by adding HAS_DMA
- dw_mmc: Remove Seungwon Jeon from MAINTAINERS"
* tag 'mmc-v4.4-rc1' of git://git.linaro.org/people/ulf.hansson/mmc:
mmc: remove bondage between REQ_META and reliable write
mmc: MMC_GOLDFISH should depend on HAS_DMA
mmc: mediatek: Preinitialize delay_phase in get_best_delay()
MAINTAINERS: mmc: Remove Seungwon Jeon from dw_mmc
mmc: mmc: Improve reliability of mmc_select_hs400()
mmc: mmc: Move mmc_switch_status()
mmc: mmc: Fix HS setting in mmc_select_hs400()
mmc: mmc: Improve reliability of mmc_select_hs200()
mmc: pxamci: fix read-only gpio detection polarity
As previously reported, some userspace applications depend on bogomips
showed by /proc/cpuinfo. Although there is much less legacy impact on
aarch64 than arm, it does break libvirt.
This patch reverts commit 326b16db9f ("arm64: delay: don't bother
reporting bogomips in /proc/cpuinfo"), but with some tweak due to
context change and without the pr_info().
Fixes: 326b16db9f ("arm64: delay: don't bother reporting bogomips in /proc/cpuinfo")
Signed-off-by: Yang Shi <yang.shi@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org> # 3.12+
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This was totally lost when I originally created the atomic helpers.
We probably should also check possible_clones in the helpers, but
since the legacy ones didn't do that this is for a separate patch.
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Stone <daniels@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447868808-10266-1-git-send-email-daniel.vetter@ffwll.ch
There appears to be no formal statement of what pv_irq_ops.save_fl() is
supposed to return precisely. Native returns the full flags, while lguest and
Xen only return the Interrupt Flag, and both have comments by the
implementations stating that only the Interrupt Flag is looked at. This may
have been true when initially implemented, but no longer is.
To make matters worse, the Xen PVOP leaves the upper bits undefined, making
the BUG_ON() undefined behaviour. Experimentally, this now trips for 32bit PV
guests on Broadwell hardware. The BUG_ON() is consistent for an individual
build, but not consistent for all builds. It has also been a sitting timebomb
since SMAP support was introduced.
Use native_save_fl() instead, which will obtain an accurate view of the AC
flag.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Tested-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: <lguest@lists.ozlabs.org>
Cc: Xen-devel <xen-devel@lists.xen.org>
CC: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1433323874-6927-1-git-send-email-andrew.cooper3@citrix.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
There was a confusion between update_ftrace_function() and static
function tracing trampoline regarding 3rd parameter (ftrace_ops).
Add a comment for clarification.
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1447721004-2551-1-git-send-email-namhyung@kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This reverts
commit 6764e9f872
Author: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Date: Thu Aug 27 15:44:06 2015 +0200
drm/i915: skip modeset if compatible for everyone.
Bring back the i915.fastboot module parameter, disabled by default, due
to backlight regression on Chromebook Pixel 2015.
Apparently the firmware of the Chromebook in question enables the panel
but disables backlight to avoid a brief garbage scanout upon loading the
kernel/module. With fastboot, we leave the backlight untouched, in this
case disabled. The user would have to do a modeset (i.e. not just crank
up the brightness) to enable the backlight.
There is no clean fix readily available, so get back to the drawing
board by reverting.
[N.B. The reference below is for when the thread was included on public
lists, and some of the context had already been dropped by then.]
Reported-and-tested-by: Olof Johansson <olof@lixom.net>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
References: http://marc.info/?i=CAKMK7uES7xk05ki92oeX6gmvZWAh9f2vL7yz=6T+fGK9J3X7cQ@mail.gmail.com
Fixes: 6764e9f872 ("drm/i915: skip modeset if compatible for everyone.")
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1447921590-3785-1-git-send-email-jani.nikula@intel.com
Here are a few little VC4 fixes for 4.4 that I didn't get in to you
before the -next pull request. I dropped the feature-ish one I'd
mentioned, and also droppped the one I saw you included in the last
-fixes pull request.
* 'drm-vc4-fixes' of git://github.com/anholt/linux:
drm/vc4: Make sure that planes aren't scaled.
drm/vc4: Fix some failure to track __iomem decorations on pointers.
drm/vc4: checking for NULL instead of IS_ERR
drm/vc4: fix itnull.cocci warnings
drm/vc4: fix platform_no_drv_owner.cocci warnings
drm/vc4: vc4_plane_duplicate_state() can be static
Radeon and amdgpu fixes for 4.4. A bit more the usual since I missed
last week. Misc fixes all over the place. The big changes are the
tiling configuration fixes for Fiji.
* 'drm-fixes-4.4' of git://people.freedesktop.org/~agd5f/linux: (35 commits)
drm/amdgpu: reserve/unreserve objects out of map/unmap operations
drm/amdgpu: move bo_reserve out of amdgpu_vm_clear_bo
drm/amdgpu: add lock for interval tree in vm
drm/amdgpu: keep the owner for VMIDs
drm/amdgpu: move VM manager clean into the VM code again
drm/amdgpu: cleanup VM coding style
drm/amdgpu: remove unused VM manager field
drm/amdgpu: cleanup scheduler command submission
drm/amdgpu: fix typo in firmware name
drm/amdgpu: remove the unnecessary parameter adev for amdgpu_sa_bo_new()
drm/amdgpu: wait interruptible when semaphores are disabled v2
drm/amdgpu: update pd while updating vm as well
drm/amdgpu: fix handling order in scheduler CS
drm/amdgpu: fix incorrect mutex usage v3
drm/amdgpu: cleanup scheduler fence get/put dance
drm/amdgpu: add command submission workflow tracepoint
drm/amdgpu: update Fiji's tiling mode table
drm/amdgpu: fix bug that can't enter thermal interrupt for bonaire.
drm/amdgpu: fix seq_printf format string
drm/radeon: fix quirk for MSI R7 370 Armor 2X
...
DAX handling of COW faults has wrong locking sequence:
dax_fault does i_mmap_lock_read
do_cow_fault does i_mmap_unlock_write
Ross's commit[1] missed a fix[2] that Kirill added to Matthew's
commit[3].
Original COW locking logic was introduced by Matthew here[4].
This should be applied to v4.3 as well.
[1] 0f90cc6609 mm, dax: fix DAX deadlocks
[2] 52a2b53ffd mm, dax: use i_mmap_unlock_write() in do_cow_fault()
[3] 843172978b dax: fix race between simultaneous faults
[4] 2e4cdab058 mm: allow page fault handlers to perform the COW
Cc: <stable@vger.kernel.org>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dave Chinner <dchinner@redhat.com>
Cc: Jan Kara <jack@suse.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>
Acked-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Yigal Korman <yigal@plexistor.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Revert commit 053f56def5 (Documentation: kernel_parameters for Intel P
state driver) as the code documented by it has been reverted already.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The recently added mt8173 cpufreq driver relies on the cpu topology
that is always present on ARM64 but optional on ARM32:
drivers/cpufreq/mt8173-cpufreq.c: In function 'mtk_cpufreq_init':
drivers/cpufreq/mt8173-cpufreq.c:441:30: error: 'cpu_topology' undeclared (first use in this function)
cpumask_copy(policy->cpus, &cpu_topology[policy->cpu].core_sibling);
This refines the Kconfig dependencies so that we can still build on
ARM32, but only if COMPILE_TEST is selected and the CPU topology
code is present.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
There are two flavors of Atom cores to be supported by intel_pstate,
Silvermont and Airmont, so make the driver distinguish between them by
adding separate frequency tables.
Separate the CPU defaults params for each of them and match the CPU IDs
against them as appropriate.
Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com>
Signed-off-by: Stephane Gasparini <stephane.gasparini@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Subject and changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Rename symbol and function names starting with "BYT" or "byt" to
start with "ATOM" or "atom", respectively, so as to make it clear
that they may apply to Atom in general and not just to Baytrail
(the goal is to support several Atoms architectures eventually).
This should not lead to any functional changes.
Signed-off-by: Philippe Longepe <philippe.longepe@linux.intel.com>
Signed-off-by: Stephane Gasparini <stephane.gasparini@linux.intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw : Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Revert commit 37afb00032 (cpufreq: intel_pstate: Use ACPI perf
configuration) that is reported to cause a regression to happen
on a system where invalid data are returned by the ACPI _PSS object.
Since that commit makes assumptions regarding the _PSS output
correctness that may turn out to be overly optimistic in general,
there is a concern that it may introduce regression on more
systems, so it's better to revert it now and we'll revisit the
underlying issue in the next cycle with a more robust solution.
Conflicts:
drivers/cpufreq/intel_pstate.c
Fixes: 37afb00032 (cpufreq: intel_pstate: Use ACPI perf configuration)
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Revert commit 4ef4514870 (cpufreq: intel_pstate: Avoid calculation for
max/min) as it depends on commit 37afb00032 (cpufreq: intel_pstate: Use
ACPI perf configuration) that causes problems to happen and needs to be
reverted.
Conflicts:
drivers/cpufreq/intel_pstate.c
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The source and destination pointers are misplaced.
This will be like,
ether_addr_copy(data, bssid + ADDR2);
-> ether_addr_copy(bssid, data + ADDR2);
and also to use ether_addr_copy, it has to be proved that src/dst address are
properly aligned(2).
I revert this as author agree to drop this patch.
This reverts commit d4622f68db.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding myself as co-maintainer of nand controller driver
for the Broadcom SoCs.
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This set does not include those for issues introduced during the merge
window. Fixes of those will follow in a future series.
* ad5064
- Make sure the local i2c_write returns 0 on success rather than the
number of bytes transfered. Otherwise we report an error on all writes.
- Fix a shift for ad5629 and ad5669 which gives incorrect DAC output on
these parts.
* ad7793
- The product ID on the datasheet is wrong. Fix it in the driver.
* IIO_DUMMY_EVGEN
- select IRQ_WORK as a dependency.
* lpc32xx
- make sure clock is prepared before enabling.
* si7020
- data byte order was reversed. Fix it.
* vf610
- Internal temperature calculation was wrong if a different
reference voltage was used. Now use a linear interpolation
function to make it work over the full range.
- Fix a division by zero in the case of a device tree property
not being present (same issue two fixes).
* xilinx XADC
- VREFN scale was wrong - fix it.
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Merge tag 'iio-fixes-for-4.4a' of ssh://ra.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 4.4 cycle.
This set does not include those for issues introduced during the merge
window. Fixes of those will follow in a future series.
* ad5064
- Make sure the local i2c_write returns 0 on success rather than the
number of bytes transfered. Otherwise we report an error on all writes.
- Fix a shift for ad5629 and ad5669 which gives incorrect DAC output on
these parts.
* ad7793
- The product ID on the datasheet is wrong. Fix it in the driver.
* IIO_DUMMY_EVGEN
- select IRQ_WORK as a dependency.
* lpc32xx
- make sure clock is prepared before enabling.
* si7020
- data byte order was reversed. Fix it.
* vf610
- Internal temperature calculation was wrong if a different
reference voltage was used. Now use a linear interpolation
function to make it work over the full range.
- Fix a division by zero in the case of a device tree property
not being present (same issue two fixes).
* xilinx XADC
- VREFN scale was wrong - fix it.