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Parse devicetree parameters for voltage and prescaler setting. This allows
using multiple max6550 devices with varying settings, and also makes it
possible to instantiate and configure the device using devicetree.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This adds the devicetree binding documentation for the max6650 fan
controller.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Remove the index comments at the end of it87_attributes_in. They
serve no purpose (as there is no reference to them in
it87_in_is_visible) and some of them were obviously wrong.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The UCD90160 Power Supply Sequencer reuses the existing register layout,
so just an id addition was required.
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Ronak Desai <ronak.desai@rockwellcollins.com>
[groeck: Updated description, ordered alphabetically, added documentation]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The field "owner" is set by the core.
Thus delete an unneeded initialisation.
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Thilo Cestonaro <thilo@cestona.ro>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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This patch adds hardware temperature and power reading support for
APM X-Gene SoC using the mailbox communication interface.
Signed-off-by: Hoan Tran <hotran@apm.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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If both hwmon and thermal_sys are built as modules, and
CONFIG_THERMAL_HWMON is enabled, the following cyclic module dependency
is reported.
depmod: ERROR: Found 2 modules in dependency cycles!
depmod: ERROR: Cycle detected: hwmon -> thermal_sys -> hwmon
Fixes: e4bce763adb2 ("hwmon: (core) New hwmon registration API")
Reported-by: Vignesh R <vigneshr@ti.com>
Cc: Keerthy J <j-keerthy@ti.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The ADT7470 supports a variety of PWM frequencies. This patch allows the
frequency to be configured and viewed through the sysfs entry pwm1_freq.
Signed-off-by: Joshua Scott <joshua.scott@alliedtelesis.co.nz>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Allow to specify the resistance of the attached shunt via DT by
adding the shunt-resistor property. Fall-back to the previous
default (1 mOhm) if unset.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
[groeck: Fixed 'line over 80 columns' checkpatch warning]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Since commit 698a7c24a544 ("hwmon: (nct6775) Support two SuperIO chips
in the same system"), the driver supports two Super-IO chips. This has
the undesirable side effect that force_id always detects a second chip
at address 0xfff8, even if no chip exists at that address.
nct6775: Found NCT6793D or compatible chip at 0x4e:0xfff8
If no chip at all is found at a given SIO address, it does not make sense
to instantiate it. Limit force_id to only work if some chip is found,
that is if the chip ID returns a value other than 0xffff.
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add basic pwm attribute support (no auto attributes) to new API.
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Describe the new registration API function as well as the data
structures it requires.
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Up to now, each hwmon driver has to implement its own sysfs attributes.
This requires a lot of template code, and distracts from the driver's core
function to read and write chip registers.
To be able to reduce driver complexity, move sensor attribute handling
and thermal zone registration into hwmon core. By using the new API,
driver code and data size is typically reduced by 20-70%, depending
on driver complexity and the number of sysfs attributes supported.
With this patch, the new API only supports thermal sensors. Support for
other sensor types will be added with subsequent patches.
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Ordering include files alphabetically makes it easier to add new ones.
Stop including linux/spinlock.h and linux/kdev_t.h since both are not
needed.
Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Simplify code, reduce code size, and drop remove function as no longer
needed.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Instead of repeatedly accessing &pdev->dev, use a local variable dev
instead where possible. Also drop 'dev' from private data since it is
unnecessary.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Use devm_iio_channel_get() instead of iio_channel_get to simplify error
handling and device removal.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Provide support for PSU DPS-460, DPS-800 from Delta Electronics, INC
and for SGD009 from Acbel Polytech, INC.
These devices do not support the STATUS_CML register, and reports a
communication error in response to this command. For this reason,
the status register check is disabled for these controllers.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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If the EXT_TDM bit is set, the chip supports a second temperature sensor
instead of two voltage sensors.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The lower temperature limit is -128 degrees C. The supported upper limits
are 127.875 or 255.875 degrees C. Also, don't fail if a value outside
the supported range is provided when setting a temperature limit.
Instead, clamp the provided value to the available value range.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Drop some of the SHIFT defines since shift is implied with BIT().
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The FSF address may change, and providing it does not add any value.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Simplify detecting duplicate include files and finding the right place
for adding new ones.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The chip reports if remote diodes are present, which can be used for
the fault attrributes.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Writing the update_interval attribute could result in an overflow if
a number close to the maximum unsigned long was written. At the same
time, even though the chip supports setting the conversion rate,
the selected conversion rate was not actually written to the chip.
Fix the second problem by selecting valid (supported) conversion rates,
and writing the selected conversion rate to the chip. This also fixes the
first problem, since arbitrary conversion rates are now converted to
actually supported conversion rates.
Also, set the default chip conversion rate to 1 second. Previously, the
chip was configured for continuous conversion, but readings were only
retrieved every seond, which doesn't make much sense. If we only read a
value from the chip every second, we can as well save some power and only
convert in one-second intervals.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"A single fix for an AMD erratum so machines without a BIOS fix work"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/AMD: Apply erratum 665 on machines without a BIOS fix
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two fixlet from the timers departement:
- A fix for scheduler stalls in the tick idle code affecting
NOHZ_FULL kernels
- A trivial compile fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/nohz: Fix softlockup on scheduler stalls in kvm guest
clocksource/drivers/atmel-pit: Fix compilation error
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- a stable fix in both DM crypt and DM log-writes for too large bios
(as generated by bcache)
- two other stable fixes for DM log-writes
- a stable fix for a DM crypt bug that could result in freeing pointers
from uninitialized memory in the tfm allocation error path
- a DM bufio cleanup to discontinue using create_singlethread_workqueue()
* tag 'dm-4.8-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm bufio: remove use of deprecated create_singlethread_workqueue()
dm crypt: fix free of bad values after tfm allocation failure
dm crypt: fix error with too large bios
dm log writes: fix check of kthread_run() return value
dm log writes: fix bug with too large bios
dm log writes: move IO accounting earlier to fix error path
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"I'm still prepping a set of fixes for btrfs fsync, just nailing down a
hard to trigger memory corruption. For now, these are tested and ready."
* 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix one bug that process may endlessly wait for ticket in wait_reserve_ticket()
Btrfs: fix endless loop in balancing block groups
Btrfs: kill invalid ASSERT() in process_all_refs()
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"arm64 and arm/perf fixes:
- arm64 fix: debug exception unmasking on the CPU resume path
- ARM PMU fixes: memory leak on error path and NULL pointer
dereference"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kernel: Fix unmasked debug exceptions when restoring mdscr_el1
drivers/perf: arm_pmu: Fix NULL pointer dereference during probe
drivers/perf: arm_pmu: Fix leak in error path
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of small driver fixes for 4.8-rc5.
The largest thing here is deleting an obsolete driver,
drivers/misc/bh1780gli.c, as the functionality of it was replaced by
an iio driver a while ago.
The other fixes are things that have been reported, or reverts of
broken stuff (the binder change). All of these changes have been in
linux-next for a while with no reported issues"
* tag 'char-misc-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
thunderbolt: Don't declare Falcon Ridge unsupported
thunderbolt: Add support for INTEL_FALCON_RIDGE_2C controller.
thunderbolt: Fix resume quirk for Falcon Ridge 4C.
lkdtm: Mark lkdtm_rodata_do_nothing() notrace
mei: me: disable driver on SPT SPS firmware
Revert "android: binder: fix dangling pointer comparison"
drivers/iio/light/Kconfig: SENSORS_BH1780 cleanup
android: binder: fix dangling pointer comparison
misc: delete bh1780 driver
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are three small fixes for 4.8-rc5.
One for sysfs, one for kernfs, and one documentation fix, all for
reported issues. All of these have been in linux-next for a while"
* tag 'driver-core-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: correctly handle read offset on PREALLOC attrs
documentation: drivers/core/of: fix name of of_node symlink
kernfs: don't depend on d_find_any_alias() when generating notifications
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver fixes from Greg KH:
"Here are a number of small fixes for staging and IIO drivers that
resolve reported problems.
Full details are in the shortlog. All of these have been in
linux-next with no reported issues"
* tag 'staging-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (35 commits)
arm: dts: rockchip: add reset node for the exist saradc SoCs
arm64: dts: rockchip: add reset saradc node for rk3368 SoCs
iio: adc: rockchip_saradc: reset saradc controller before programming it
iio: accel: kxsd9: Fix raw read return
iio: adc: ti_am335x_adc: Increase timeout value waiting for ADC sample
iio: adc: ti_am335x_adc: Protect FIFO1 from concurrent access
include/linux: fix excess fence.h kernel-doc notation
staging: wilc1000: correctly check if associatedsta has not been found
staging: wilc1000: NULL dereference on error
staging: wilc1000: txq_event: Fix coding error
MAINTAINERS: Add file patterns for ion device tree bindings
MAINTAINERS: Update maintainer entry for wilc1000
iio: chemical: atlas-ph-sensor: fix typo in val assignment
iio: fix sched WARNING "do not call blocking ops when !TASK_RUNNING"
staging: comedi: ni_mio_common: fix AO inttrig backwards compatibility
staging: comedi: dt2811: fix a precedence bug
staging: comedi: adv_pci1760: Do not return EINVAL for CMDF_ROUND_DOWN.
staging: comedi: ni_mio_common: fix wrong insn_write handler
staging: comedi: comedi_test: fix timer race conditions
staging: comedi: daqboard2000: bug fix board type matching code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are some small serial driver fixes for 4.8-rc5. One fixes an
oft-reported build issue with the fintek driver, another reverts a
patch that was causing problems, one fixes a crash, and some new
device ids were added.
All of these have been in linux-next for a while"
* tag 'tty-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: 8250: added acces i/o products quad and octal serial cards
serial: 8250_mid: fix divide error bug if baud rate is 0
Revert "tty/serial/8250: use mctrl_gpio helpers"
8250/fintek: rename IRQ_MODE macro
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY fixes from Greg KH:
"Here are some USB and PHY driver fixes for 4.8-rc5
Nothing major, lots of little fixes for reported bugs, and a build fix
for a missing .h file that the phy drivers needed. All of these have
been in linux-next for a while with no reported issues"
* tag 'usb-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (24 commits)
usb: musb: Fix locking errors for host only mode
usb: dwc3: gadget: always decrement by 1
usb: dwc3: debug: fix ep name on trace output
usb: gadget: udc: core: don't starve DMA resources
USB: serial: option: add WeTelecom 0x6802 and 0x6803 products
USB: avoid left shift by -1
USB: fix typo in wMaxPacketSize validation
usb: gadget: Add the gserial port checking in gs_start_tx()
usb: dwc3: gadget: don't rely on jiffies while holding spinlock
usb: gadget: fsl_qe_udc: signedness bug in qe_get_frame()
usb: gadget: function: f_rndis: socket buffer may be NULL
usb: gadget: function: f_eem: socket buffer may be NULL
usb: renesas_usbhs: gadget: fix return value check in usbhs_mod_gadget_probe()
usb: dwc2: Add reset control to dwc2
usb: dwc3: core: allow device to runtime_suspend several times
usb: dwc3: pci: runtime_resume child device
USB: serial: option: add WeTelecom WM-D200
usb: chipidea: udc: don't touch DP when controller is in host mode
USB: serial: mos7840: fix non-atomic allocation in write path
USB: serial: mos7720: fix non-atomic allocation in write path
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In commit 8ead9dd54716 ("devpts: more pty driver interface cleanups") I
made devpts_get_priv() just return the dentry->fs_data directly. And
because I thought it wouldn't happen, I added a warning if you ever saw
a pts node that wasn't on devpts.
And no, that warning never triggered under any actual real use, but you
can trigger it by creating nonsensical pts nodes by hand.
So just revert the warning, and make devpts_get_priv() return NULL for
that case like it used to.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: stable@vger.kernel.org # 4.6+
Cc: Eric W Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull block fixes from Jens Axboe:
"A collection of fixes for the nvme over fabrics code"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme-rdma: Get rid of redundant defines
nvme-rdma: Get rid of duplicate variable
nvme: fabrics drivers don't need the nvme-pci driver
nvme-fabrics: get a reference when reusing a nvme_host structure
nvme-fabrics: change NQN UUID to big-endian format
nvme-loop: set sqsize to 0-based value, per spec
nvme-rdma: fix sqsize/hsqsize per spec
fabrics: define admin sqsize min default, per spec
nvmet-rdma: +1 to *queue_size from hsqsize/hrqsize
nvmet-rdma: Fix use after free
nvme-rdma: initialize ret to zero to avoid returning garbage
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull TPM bugfix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
tpm: invalid self test error message
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The driver emits invalid self test error message even though the init
succeeds.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Fixes: cae8b441fc20 ("tpm: Factor out common startup code")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes ffrom Rafael Wysocki:
"Two stable-candidate fixes for the ACPI early device probing code
added during the 4.4 cycle, one fixing a typo in a stub macro used
when CONFIG_ACPI is unset and one that prevents sleeping functions
from being called under a spinlock (Lorenzo Pieralisi)"
* tag 'acpi-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / drivers: replace acpi_probe_lock spinlock with mutex
ACPI / drivers: fix typo in ACPI_DECLARE_PROBE_ENTRY macro
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"This includes a stable-candidate cpufreq-dt driver problem fix and
annotations of tracepoints in the runtime PM framework.
Specifics:
- Fix the definition of the cpufreq-dt driver's machines table
introduced during the 4.7 cycle that should be NULL-terminated, but
the termination entry is missing from it (Wei Yongjun).
- Annotate tracepoints in the runtime PM framework's core so as to
allow the functions containing them to be called from the idle code
path without causing RCU to complain about illegal usage (Paul
McKenney)"
* tag 'pm-4.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / runtime: Add _rcuidle suffix to allow rpm_idle() use from idle
PM / runtime: Add _rcuidle suffix to allow rpm_resume() to be called from idle
cpufreq: dt: Add terminate entry for of_device_id tables
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* pm-cpufreq-fixes:
cpufreq: dt: Add terminate entry for of_device_id tables
* pm-core-fixes:
PM / runtime: Add _rcuidle suffix to allow rpm_idle() use from idle
PM / runtime: Add _rcuidle suffix to allow rpm_resume() to be called from idle
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