Depending of chip revision reset lines are inverted. It is also
necessary to read PCIE_FTS_NUM register before enabling the phy.
Hence update the code to achieve this.
Fixes: 745eeeac68 ("staging: mt7621-pci: factor out 'mt7621_pcie_enable_port' function")
Reported-by: NeilBrown <neil@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sysctl register are already claimed by palmbus, so
pci fails to claim it. Device tree has been updated to not
use it at all with pcie. Update bindings documentation.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sysctl register are already claimed by palmbus, so
pci fails to claim it. Remove registers accordly from DT
bindings.
Fixes: 624c5227ed: staging: mt7621-dts: add sysctl registers base address to pcie
Reported-by: NeilBrown <neil@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sysctl register are already claimed by palmbus, so
pci fails to claim it. The best way to access the sysc registers
is to use rt_sysc_[rwm]32().
Fixes: 89e9f6e6ad: staging: mt7621-pci: remap and use sysctl from device tree
Reported-by: NeilBrown <neil@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add a test for successful call to cdev_alloc() to avoid
potential null dereference. Issue reported by smatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Fixes: 874bcba65f ("staging: pi433: New driver")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The null check on &padapter->registrypriv is redundant since registrypriv
is a struct inside padapter and can never be null, so the check is always
true. we may remove it.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn>
CC: devel@driverdev.osuosl.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cleanup lines over 80 characters by replacing tabs with spaces
or adding appropriate line breaks.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove return from a void function to clear a checkpatch warning.
WARNING: void function return statements are not generally useful
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Refactor if else statement to clear checkpatch warnings.
WARNING: else is not generally useful after a break or return
WARNING: line over 80 characters
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function rtw_android_set_block() just returns zero. The only user
is the function rtw_android_priv_cmd(). The variable bytes_written is
initialized to zero and not changed before the use of
rtw_android_set_block(). Remove rtw_android_set_block() and it's only
use.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use __func__ instead of hardcoded function names.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cleanup remaining comparsions to true.
if (x == true) -> if (x)
if (x != true) -> if (!x)
if (!x == true) -> if (!x)
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The local variable ret is only used to test the return value of the
call to rtl8188eu_xmitframe_complete(). Use the function directly in
the if test and remove the variable ret.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace tabs with spaces and/or remove spaces in declarations
to cleanup whitespace.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add spaces around '>>' and '&' to follow kernel coding style.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Correct spelling mistake in a comment reported by checkpatch.
checksumed -> checksummed
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove braces from single line if else statement.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cleanup line ending with a '(' to follow kernel coding style.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use __func__ instead of hardcoded function names.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Previously, 2 members called `initial' and `cachedzone_la' are used
for applying caching policy (whether the workgroup is at either end),
which are hard to understand, rename them to `backmost' and `headoffset'.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For the case of nr_to_read == lookahead_size, it is better to
decompress asynchronously as well since no page will be needed immediately.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Let's make sure that the one registering a workgroup will also
take the primary work lock at first for two reasons:
1) There's no need to introduce such a race window (and consequently
overhead) between registering and locking, other tasks could break
in by chance, and the race seems unnecessary (no benefit at all);
2) It's better to take the primary work when a workgroup
is registered to apply the cache managed policy, for example,
if some other tasks break in, it could turn into the in-place
decompression rather than use as the cached decompression.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
`z_erofs_vle_workgroup' is heavily generated in the decompression,
for example, it resets 32 bytes redundantly for 64-bit platforms
even through Z_EROFS_VLE_INLINE_PAGEVECS + Z_EROFS_CLUSTER_MAX_PAGES,
default 4, pages are stored in `z_erofs_vle_workgroup'.
As an another example, `struct mutex' takes 72 bytes for our kirin
64-bit platforms, it's unnecessary to be reseted at first and
be initialized each time.
Let's avoid filling all `z_erofs_vle_workgroup' with 0 at first
since most fields are reinitialized to meaningful values later,
and pagevec is no need to initialized at all.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Just like other generic locks, insert a full barrier
in case of memory reorder.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There are two minor issues in the current freeze interface:
1) Freeze interfaces have not related with CONFIG_DEBUG_SPINLOCK,
therefore fix the incorrect conditions;
2) For SMP platforms, it should also disable preemption before
doing atomic_cmpxchg in case that some high priority tasks
preempt between atomic_cmpxchg and disable_preempt, then spin
on the locked refcount later.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's better to use atomic_cond_read_relaxed, which is implemented
in hardware instructions to monitor a variable changes currently
for ARM64, instead of open-coded busy waiting.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When the managed cache is enabled, the last reference count
of a workgroup must be used for its workstation.
Otherwise, it could lead to incorrect (un)freezes in
the reclaim path, and it would be harmful.
A typical race as follows:
Thread 1 (In the reclaim path) Thread 2
workgroup_freeze(grp, 1) refcnt = 1
...
workgroup_unfreeze(grp, 1) refcnt = 1
workgroup_get(grp) refcnt = 2 (x)
workgroup_put(grp) refcnt = 1 (x)
...unexpected behaviors
* grp is detached but still used, which violates cache-managed
freeze constraint.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's better not to positively BUG_ON the kernel, however developers
need a way to locate issues as soon as possible.
DBG_BUGON is introduced and it could only crash when EROFS_FS_DEBUG
(EROFS developping feature) is on. It is helpful for developers
to find and solve bugs quickly by eng builds.
Previously, DBG_BUGON is defined as ((void)0) if EROFS_FS_DEBUG is off,
but some unused variable warnings as follows could occur:
drivers/staging/erofs/unzip_vle.c: In function `init_alway:':
drivers/staging/erofs/unzip_vle.c:61:33: warning: unused variable `work' [-Wunused-variable]
struct z_erofs_vle_work *const work =
^~~~
Fix it to #define DBG_BUGON(x) ((void)(x)).
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
`trace_erofs_readpage' was designed for .readpage() interface hook
in order to trace the detailed synchronized read rather than
the internal implementation `z_erofs_do_read_page' which both
.readpage() and .readpages() use.
It seems the tracepoint was placed to a wrong place by mistake and
it should be moved to the right place.
Fixes: 284db12cfd ("staging: erofs: add trace points for reading zipped data")
Reviewed-by: Chen Gong <gongchen4@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the function LedControl8188eu to avoid CamelCase.
LedControl8188eu -> led_control_8188eu
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The comment for blink_handler() adds no extra information
in addition to the function name, so remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the function BlinkHandler to avoid CamelCase.
BlinkHandler -> blink_handler
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the function SwLedOff to avoid CamelCase.
SwLedOff -> sw_led_off
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename the function SwLedOn to avoid CamelCase.
SwLedOn -> sw_led_on
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add spaces around '&' to follow kernel coding style.
Reported by checkpatch.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove comments in rtl8188eu_led.c. The function names are well
descriptive.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Along with the headline feature of 5 new drivers, we have the
substantial addition of auxilliary sensor support on the lsm6sdx
parts for ST. There has also been a good set of staging cleanup
in this period with more underway.
An ever increasing number of devices supported with just a new
ID which is a good sign that at least some manufacturers are
continuing to stabilise their interfaces.
New device support,
* ad7124
- New driver supporting Analog Devices' ad7124-4 and ad7124-8 parts
with the inevitable DT binding.
* ad7949
- New driver supporting Analog Devices' ad7949, AD7682 and AD7689 ADCs.
* rm3100
- New driver supporting PNIs RM3100 magnometer with bindings and
vendor prefix.
* ti-dac7311
- New driver supporting DAC7311, DAC6311 and DAC5311 TI DACs, with
DT bindings.
* vcnl5035
- New driver supporting the light sensor part of the VCNL4035, with
DT bindings
Features,
* bindings
- Add a generic ADC channel binding as we keep reinventing this
wheel.
* adc128s052
- Add IDs for additional pin compatible parts.
- Add APCI ID seen on E3940 UP squared boards.
* ad_sigma_delta
- Allow for custom data register overiding default.
* kxcjk1013
- Add KIOX0009 ACPI ID as seen on the Acer One 10.
* lsm6dsx
- Rework leading to...
- External sensor support using the built in I2C master.
- Initial support for a slave lis2mdl magnetometer.
* meson-saradc
- Add temperature sensor support and bindings.
* st_magn
- New ID for lsm9dsl_magn with bindings
- New ID for lis3de accelerometer
* tpl0102
- Add supprot for IIO_AVAIL_RANGE to report the range available
from this device to userspace and in kernel users.
Cleanups and minor fixes
* tools
- Allow outside specification of CFLAGS
* ad2s90
- Handle and spi_read error.
- Handle spi_setup failure
- Drop a pointless assignment.
- Prevent a potentail race by moving device registration to after
all other setup.
- Add missing scale attribute.
- Add a sanity check on channel type before trying to read it.
* ad2s1210
- Move to modern gpio descriptors.
- Drop a gpioin flag which made no sense as far as we can tell.
- Add dt table (bindings doc to follow when this is ready for
moving out of staging).
* ad5933
- Drop camel-case naming of ext_clk_hz.
- White space fixes.
* ad7150
- Local variable to shorten overly long line.
- Alignment and line break fixes.
* ad7280a
- Handle an error path that was previously ignored.
- Use crc8.h to build the crc table replacing custom code.
- Avoid unecessary cast.
- Power down the device if an error happens in probe
- Use devm routines to simplify probe and remove.
* ad7606
- Alignment fixes.
* ad7780
- This worked as long as by coincidence an uninitialized value
was 0. Lets not rely on that.
- Ensure gain update is only used with the ad778x chips that
actually support it.
- Tidy up pattern mask generation.
- Read regulator when scale is requested (which should be infrequent)
as it might have changed from initialization.
* ad7816
- Move to modern gpio descriptors
- Don't use a busy_pin for ad7818 as there isn't one.
- Ensure RD/WR and CONVST pins are outputs (previously they
were brought up as inputs which doesn't seem to make any sense)
- DT id table.
* adc128s052
- SPDX
* adt7316
- Alignment fix.
- Fix data reading. When using I2C the driver never actually
used the value read. This has been broken a very long time
hence no rush to fix it now + the driver is undergoing a lot
of cleanup.
- Sanity check that the i2c read didn't fail to actually read
anything.
* dpot-dac
- Mark a switch full through with slightly different text so that
gcc doesn't warn on it.
* gyro-adc
- Fix a wrong file in the MAINTAINERS entry and add binding doc to the
listed files.
* ina2xx
- Add some early returns to clarify error paths in switch.
* lsm6dsx
- MAINTAINERS entry.
* max11100
- SPDX
* max9611
- SPDX
* mcp4131
- use of_device_get_match_data in preference to spi_get_device_id
approach.
* rcar-adc
- SPDX
* sc27xx
- Add ADC conversion timeout support to avoid possible fault.
* ssp_sensors
- Don't free managed resources manually.
* st-magn
- Add a comment to avoid future confusion over when to use -magn
postfix (on multi chip in package parts)
- Add BDU register for LIS3MDL where it seems to have been missed.
* st-sensors
- Minor spelling, grammar etc fixes.
* tpl0102
- Use a pointer rather than an index of an array to improve conciseness.
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Merge tag 'iio-for-4.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-testing
Jonathan writes:
First set of new device support, features and cleanups for IIO in the 4.21 cycle
Along with the headline feature of 5 new drivers, we have the
substantial addition of auxilliary sensor support on the lsm6sdx
parts for ST. There has also been a good set of staging cleanup
in this period with more underway.
An ever increasing number of devices supported with just a new
ID which is a good sign that at least some manufacturers are
continuing to stabilise their interfaces.
New device support,
* ad7124
- New driver supporting Analog Devices' ad7124-4 and ad7124-8 parts
with the inevitable DT binding.
* ad7949
- New driver supporting Analog Devices' ad7949, AD7682 and AD7689 ADCs.
* rm3100
- New driver supporting PNIs RM3100 magnometer with bindings and
vendor prefix.
* ti-dac7311
- New driver supporting DAC7311, DAC6311 and DAC5311 TI DACs, with
DT bindings.
* vcnl5035
- New driver supporting the light sensor part of the VCNL4035, with
DT bindings
Features,
* bindings
- Add a generic ADC channel binding as we keep reinventing this
wheel.
* adc128s052
- Add IDs for additional pin compatible parts.
- Add APCI ID seen on E3940 UP squared boards.
* ad_sigma_delta
- Allow for custom data register overiding default.
* kxcjk1013
- Add KIOX0009 ACPI ID as seen on the Acer One 10.
* lsm6dsx
- Rework leading to...
- External sensor support using the built in I2C master.
- Initial support for a slave lis2mdl magnetometer.
* meson-saradc
- Add temperature sensor support and bindings.
* st_magn
- New ID for lsm9dsl_magn with bindings
- New ID for lis3de accelerometer
* tpl0102
- Add supprot for IIO_AVAIL_RANGE to report the range available
from this device to userspace and in kernel users.
Cleanups and minor fixes
* tools
- Allow outside specification of CFLAGS
* ad2s90
- Handle and spi_read error.
- Handle spi_setup failure
- Drop a pointless assignment.
- Prevent a potentail race by moving device registration to after
all other setup.
- Add missing scale attribute.
- Add a sanity check on channel type before trying to read it.
* ad2s1210
- Move to modern gpio descriptors.
- Drop a gpioin flag which made no sense as far as we can tell.
- Add dt table (bindings doc to follow when this is ready for
moving out of staging).
* ad5933
- Drop camel-case naming of ext_clk_hz.
- White space fixes.
* ad7150
- Local variable to shorten overly long line.
- Alignment and line break fixes.
* ad7280a
- Handle an error path that was previously ignored.
- Use crc8.h to build the crc table replacing custom code.
- Avoid unecessary cast.
- Power down the device if an error happens in probe
- Use devm routines to simplify probe and remove.
* ad7606
- Alignment fixes.
* ad7780
- This worked as long as by coincidence an uninitialized value
was 0. Lets not rely on that.
- Ensure gain update is only used with the ad778x chips that
actually support it.
- Tidy up pattern mask generation.
- Read regulator when scale is requested (which should be infrequent)
as it might have changed from initialization.
* ad7816
- Move to modern gpio descriptors
- Don't use a busy_pin for ad7818 as there isn't one.
- Ensure RD/WR and CONVST pins are outputs (previously they
were brought up as inputs which doesn't seem to make any sense)
- DT id table.
* adc128s052
- SPDX
* adt7316
- Alignment fix.
- Fix data reading. When using I2C the driver never actually
used the value read. This has been broken a very long time
hence no rush to fix it now + the driver is undergoing a lot
of cleanup.
- Sanity check that the i2c read didn't fail to actually read
anything.
* dpot-dac
- Mark a switch full through with slightly different text so that
gcc doesn't warn on it.
* gyro-adc
- Fix a wrong file in the MAINTAINERS entry and add binding doc to the
listed files.
* ina2xx
- Add some early returns to clarify error paths in switch.
* lsm6dsx
- MAINTAINERS entry.
* max11100
- SPDX
* max9611
- SPDX
* mcp4131
- use of_device_get_match_data in preference to spi_get_device_id
approach.
* rcar-adc
- SPDX
* sc27xx
- Add ADC conversion timeout support to avoid possible fault.
* ssp_sensors
- Don't free managed resources manually.
* st-magn
- Add a comment to avoid future confusion over when to use -magn
postfix (on multi chip in package parts)
- Add BDU register for LIS3MDL where it seems to have been missed.
* st-sensors
- Minor spelling, grammar etc fixes.
* tpl0102
- Use a pointer rather than an index of an array to improve conciseness.
* tag 'iio-for-4.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (80 commits)
Staging: iio: adt7316: Add an extra check for 'ret' equals to 0
Staging: iio: adt7316: Fix i2c data reading, set the data field
dt-bindings: iio: adc: Add docs for ad7124
iio: adc: Add ad7124 support
dt-bindings: iio: adc: Add common ADCs properties to a separate file
iio: ad_sigma_delta: Allow to provide custom data register address
staging: iio: ad7816: Add device tree table.
iio: imu: st_lsm6dsx: add entry in MAINTAINERS file
iio: potentiometer: mcp4131: use of_device_get_match_data()
staging: iio: adc: ad7280a: use devm_* APIs
staging: iio: adc: ad7280a: power down the device on error in probe
dt-bindings: iio: imu: st_lsm6dsx: add support to i2c pullup resistors
iio: imu: st_lsm6dsx: add hw FIFO support to i2c controller
iio: imu: st_lsm6dsx: add st_lsm6dsx_push_tagged_data routine
iio: imu: st_lsm6dsx: add i2c embedded controller support
iio: imu: st_lsm6dsx: introduce st_lsm6dsx_sensor_set_enable routine
iio: imu: st_lsm6dsx: introduce ST_LSM6DSX_ID_EXT sensor ids
iio: imu: st_lsm6dsx: remove static from st_lsm6dsx_set_watermark
iio: imu: st_lsm6dsx: reload trimming parameter at bootstrap
iio: imu: st_lsm6dsx: introduce locked read/write utility routines
...
As one can see in a typedef at linux/types.h:103, s32 and int32_t are
both a 32 bits signed integer. s32 is preferred because it is defined
by the kernel maintainers and it prevents portability issues. Changed
to meet checkpatch criteria.
Signed-off-by: André Almeida <andrealmeid@riseup.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Comparisons should place the constant
on the right side of the test.
Signed-off-by: Cristian Sicilia <sicilia.cristian@gmail.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
