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The dummy regulator driver does not need to create a platform device, it
only did so because it was simple to do. Change it over to use the
faux bus instead as this is NOT a real platform device, and it makes
the code even smaller than before.
Reviewed-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/2025021027-outclass-stress-59dd@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next
Xu writes:
FPGA Manager changes for 6.15-rc1
- Peter's change updates his email address.
- Kuhanh's change increases timeout for altera-cvp driver
- Arnd's change removes incorrect of_match_ptr
All patches have been reviewed on the mailing list, and have been in the
last linux-next releases (as part of our for-next branch).
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
* tag 'fpga-for-6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga:
fpga: versal: remove incorrect of_match_ptr annotation
fpga: altera-cvp: Increase credit timeout
fpga: m10bmc-sec: update email address for Peter Colberg
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI Host
========
- Remove unused mhi_device_get() and mhi_queue_dma() APIs.
- Add support for SA8775p MHI endpoint device with IP_SW0 channel.
- Fix the race between mhi_unprepare_from_transfer() and mhi_queue_buf().
* tag 'mhi-for-v6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: host: Fix race between unprepare and queue_buf
bus: mhi: host: pci_generic: Add support for SA8775P endpoint
bus: mhi: host: Remove unused functions
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: New device support, features and cleanup for the 6.15 cycle.
The usual mixture of new drivers, support in existing drivers for new
devices, a range of features and general subsystem cleanup.
Two merges of immutable branches in here:
* SPI offload support. Culmination of a long effort to bring the ability
to offload triggered sequences of SPI operations to specific hardware,
allow high datarate acquisition over an SPI bus (if you have the right
hardware / FPGA firmware)
* GPIO set-array-helper - enables code simplification.
New device support
==================
adi,ad3552r-hs:
- Add support for AD3541r and AD3542r via newly supported FPGA HDL.
adi,ad4030
- New driver supporting the AD4030, AD4630 AD4630-16, AD4640-24, AD4632-16,
AD4632-24 1 and 2 channel high precision SPI ADCs.
adi,ad4851
- New driver and backend support for the AD4851, AD4852, AD4853, AD4854,
AD4855, AD4846, AD4857, AD4858 and AD4858I high speed multichannel
simultaneous sampling ADCs.
adi,ad7191
- New driver for this 24-bit ADC for precision bridge applications,
adi,ad7380
- Add support for the adaq4381-4 which is a 14-bit version of the
already supported adaq4380-1
adi,adis16550
- New driver using the ADIS library (which needed extensions) for this
IMU.
brcm,apds9160
- New driver for this proximity and ambient light sensor.
dynaimage,al3000a
- New driver for this illuminance sensor.
mcube,mc3230
- Add support for the mc3510c accelerometer with a different scale to existing
supported parts (some rework preceded this)
nxp,imx93
- Add compatibles for imx94 and imx95 which are fully compatible with imx93.
rockchip,saradc
- Add support for the RK3528 ADC
- Add support for the RK3562 ADC
silab,si7210
- New driver to support this I2C Hall effect magnetic position sensor.
ti,ads7138
- New driver supporting the ADS7128 and AD7138 I2C ADCs.
Staging driver drop
===================
adi,adis16240
- Drop this impact sensor. Interesting part but complex hence never left
staging due to ABI challenges. No longer readily available so drop driver.
New features
============
Documentation
- A really nice overview document introduce ADC terminology and how
it maps to IIO.
core
- New description for FAULT events, used in the ad7173.
- filter_type ABI used in ad4130.
buffer-dmaengine
- Split DMA channel request from buffer allocation (for SPI offload)
- Add a new _with_handle setup variant. (for SPI offload)
adi,adf4371
- Add control of reference clock type and support for frequency doubling
where appropriate.
adi,ad4695
- Support SPI offload.
- Support oversampling control.
adi,ad5791
- Support SPI offload.
adi,ad7124
- Add channel calibration support.
adi,ad7380:
- Alert support (threshold interrupts)
- SPI offload support.
adi,ad7606
- Support writing registers when using backend enabling software control
of modes.
adi,ad7944
- Support SPI offload.
adi,ad9832
- Use devm_regulator_get_enable() to simplify code.
adi,ad9834
- Use devm_regulator_get_enable() to simplify code.
adi,adxl345
- Improve IRQ handling code.
- Add debug access to registers.
bosch,bmi270
- Add temperature channel support.
- Add data ready trigger.
google,cross_ec
- Add trace events.
mcube,mc3230
- Add mount matrix support
- Add an OF match table.
Cleanup and minor bug fixes
===========================
Tree wide:
- Stop using iio_device_claim_direct_scoped() and introduce sparse friendly
iio_device_claim/release_direct()
The conditional scoped cleanup has proved hard to deal with, requiring
workarounds for various compiler issues and in is rather non-intuitive
so abandon that experiment. One of the attractions of that approach was
that it made it much harder to have unbalanced claim/release bugs so
instead introduce a conditional-lock style boolean returning new pair
of functions. These are inline in the header and have __acquire and
__release calls allowing sparse to detect lack of balance. There are
occasional false positives but so far those have reflected complex code
paths that benefited from cleanup anyway.
The first set of driver conversions are in this pull request, more to
follow next cycle. Various related cleanup in drivers.
Removal of the _scoped code is completed and the definition removed.
- Use of str_enable_disable() and similar helpers.
- Don't set regmap cache to REGCACHE_NONE as that's the default anyway.
- Change some caches from RBTREE to MAPLE reflecting best practice.
- Use the new gpiod_multi_set_value_cansleep()
- Make sure to grab direct mode for some calibrations paths.
- Avoid using memcmp on structures when checking for matching channel configs.
Instead just match field by field.
dt-bindings:
- Fix up indentation inconsistencies.
gts-helper:
- Simplify building of available scale table.
adi,ad-sigma-delta
- Make sure to disable channel after calibration done.
- Add error handling in configuring channel during calibration.
adi,ad2s1201
- use a bitmap_write() rather than directly accessing underlying storage.
adi,ad3552r-hs
- Fix a wrong error message.
- Make sure to use instruction mode for configuration.
adi,ad4695
- Add a conversion to ensure exit from conversion mode.
- Use custom regmap to handle required sclk rate change.
- Fix an out of bounds array access
- Simplify oversampling ratio handling.
adi,ad4851
- Fix a sign bug.
adi,ad5791
- Fix wrong exported number of storage bits.
adi,ad7124
- Disable all channels at probe to avoid strange initial configurations.
adi,ad7173
- Rework to allow static const struct ad_sigma_delta without need
to make a copy.
adi,ad7623
- Drop a BSD license tag that the authors consider unnecessary.
adi,ad7768-1
- Fix channels sign description exposed to user space.
- Set MOSI idle state to avoid accidental device reset.
- Avoid some overkill locking.
adi,axi-dac
- Check if device interface is busy when enabling data stream.
- Add control of bus mode.
bosch,bmi270
- Move a struct definition to a c file as only used there.
vishay,veml6030
- Enable regmap cache to reduce bus traffic.
- Fix ABI bug around scale reporting.
vishay,vem6075
- Check array bounds to harden against broken hardware.
Various other minor tweaks and fixes not called out.
*
* tag 'iio-for-6.15a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (223 commits)
doc: iio: ad7380: describe offload support
iio: ad7380: add support for SPI offload
iio: light: Add check for array bounds in veml6075_read_int_time_ms
iio: adc: ti-ads7924 Drop unnecessary function parameters
staging: iio: ad9834: Use devm_regulator_get_enable()
staging: iio: ad9832: Use devm_regulator_get_enable()
iio: gyro: bmg160_spi: add of_match_table
dt-bindings: iio: adc: Add i.MX94 and i.MX95 support
iio: adc: ad7768-1: remove unnecessary locking
Documentation: ABI: add wideband filter type to sysfs-bus-iio
iio: adc: ad7768-1: set MOSI idle state to prevent accidental reset
iio: adc: ad7768-1: Fix conversion result sign
iio: adc: ad7124: Benefit of dev = indio_dev->dev.parent in ad7124_parse_channel_config()
iio: adc: ad7124: Implement system calibration
iio: adc: ad7124: Implement internal calibration at probe time
iio: adc: ad_sigma_delta: Add error checking for ad_sigma_delta_set_channel()
iio: adc: ad4130: Adapt internal names to match official filter_type ABI
iio: adc: ad7173: Fix comparison of channel configs
iio: adc: ad7124: Fix comparison of channel configs
iio: adc: ad4130: Fix comparison of channel setups
...
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A client driver may use mhi_unprepare_from_transfer() to quiesce
incoming data during the client driver's tear down. The client driver
might also be processing data at the same time, resulting in a call to
mhi_queue_buf() which will invoke mhi_gen_tre(). If mhi_gen_tre() runs
after mhi_unprepare_from_transfer() has torn down the channel, a panic
will occur due to an invalid dereference leading to a page fault.
This occurs because mhi_gen_tre() does not verify the channel state
after locking it. Fix this by having mhi_gen_tre() confirm the channel
state is valid, or return error to avoid accessing deinitialized data.
Cc: stable@vger.kernel.org # 6.8
Fixes: b89b6a863dd5 ("bus: mhi: host: Add spinlock to protect WP access when queueing TREs")
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Reviewed-by: Youssef Samir <quic_yabdulra@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Troy Hanson <quic_thanson@quicinc.com>
Link: https://lore.kernel.org/r/20250306172913.856982-1-jeff.hugo@oss.qualcomm.com
[mani: added stable tag]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
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Add support for SPI offload to the ad7380 driver. SPI offload allows
sampling data at the max sample rate (2MSPS with one SDO line).
This is developed and tested against the ADI example FPGA design for
this family of ADCs [1].
[1]: http://analogdevicesinc.github.io/hdl/projects/ad738x_fmc/index.html
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Link: https://patch.msgid.link/20250310-wip-bl-spi-offload-ad7380-v4-1-b184b37b7c72@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The array contains only 5 elements, but the index calculated by
veml6075_read_int_time_index can range from 0 to 7,
which could lead to out-of-bounds access. The check prevents this issue.
Coverity Issue
CID 1574309: (#1 of 1): Out-of-bounds read (OVERRUN)
overrun-local: Overrunning array veml6075_it_ms of 5 4-byte
elements at element index 7 (byte offset 31) using
index int_index (which evaluates to 7)
This is hardening against potentially broken hardware. Good to have
but not necessary to backport.
Fixes: 3b82f43238ae ("iio: light: add VEML6075 UVA and UVB light sensor driver")
Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/Z7dnrEpKQdRZ2qFU@Emma
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Device pointer is the only variable which is used by the
ads7924_get_channels_config() and which is declared outside this
function. Still, the function gets the iio_device and i2c_client as
parameters. The sole caller of this function (probe) already has the
device pointer which it can directly pass to the function.
Simplify code by passing the device pointer directly as a parameter
instead of digging it from the iio_device's private data.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/2bb4c61122eca2f3a35f6087e7d9815675013f66.1740993491.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The regulators are only enabled at probe(), hence replace the boilerplate
code by making use of devm_regulator_get_enable() helper.
Signed-off-by: Saalim Quadri <danascape@gmail.com>
Link: https://patch.msgid.link/20250306000459.1554007-1-danascape@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The regulators are only enabled at probe(), hence replace the boilerplate
code by making use of devm_regulator_get_enable() helper.
Signed-off-by: Saalim Quadri <danascape@gmail.com>
Link: https://patch.msgid.link/20250306000040.1550656-1-danascape@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add the missing of_match_table to bmg160_spi driver to enhance devicetree
compatibility.
Signed-off-by: Jun Yan <jerrysteve1101@gmail.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com>
Link: https://patch.msgid.link/20250306145740.32687-1-jerrysteve1101@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The current locking is only preventing a triggered buffer Transfer and a
debugfs register access from happening at the same time. If a register
access happens during a buffered read, the action is doomed to fail anyway,
since we need to write a magic value to exit continuous read mode.
Remove locking from the trigger handler and use
iio_device_claim_direct() instead in the register access function.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Link: https://patch.msgid.link/d0450b7c5d8467e54913ef905f6147baa2b866b3.1741268122.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Datasheet recommends Setting the MOSI idle state to high in order to
prevent accidental reset of the device when SCLK is free running.
This happens when the controller clocks out a 1 followed by 63 zeros
while the CS is held low.
Check if SPI controller supports SPI_MOSI_IDLE_HIGH flag and set it.
Fixes: a5f8c7da3dbe ("iio: adc: Add AD7768-1 ADC basic support")
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
Link: https://patch.msgid.link/c2a2b0f3d54829079763a5511359a1fa80516cfb.1741268122.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ad7768-1 ADC output code is two's complement, meaning that the voltage
conversion result is a signed value.. Since the value is a 24 bit one,
stored in a 32 bit variable, the sign should be extended in order to get
the correct representation.
Also the channel description has been updated to signed representation,
to match the ADC specifications.
Fixes: a5f8c7da3dbe ("iio: adc: Add AD7768-1 ADC basic support")
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@analog.com>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Cc: <Stable@vger.kernel.org>
Link: https://patch.msgid.link/505994d3b71c2aa38ba714d909a68e021f12124c.1741268122.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ad7124_parse_channel_config()
Since commit a6eaf02b8274 ("iio: adc: ad7124: Switch from of specific to
fwnode based property handling") the function
ad7124_parse_channel_config() has a parameter `dev` that holds
the value `indio_dev->dev.parent`. Make use of that to shorten two code
lines.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/v7l2skqj65vbku3ebjsfndfj3atl6iqpodamios2do6q6kcagf@whmuir6fwede
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Allow triggering both zero-scale and full-scale calibration via sysfs in
the same way as it's done for ad7173.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-18-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use the calibration function provided by the ad_sigma_delta shim to
calibrate all channels at probe time.
For measurements with gain 1 (i.e. if CONFIG_x.PGA = 0) full-scale
calibrations are not supported and the reset default value of the GAIN
register is supposed to be used then.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-17-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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All other calls to ad_sigma_delta_set_channel() in ad_sigma_delta.c
check the return value afterwards. Do it for all calls.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-16-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Recently the interface to to select a filter was officially blessed to
use "filter_type". Adapt the naming of several functions accordingly to
make the new standard more present and so make the driver a better
template for other drivers. Apart from the comment update this is just
s/filter_mode/filter_type/.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-15-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Checking the binary representation of two structs (of the same type)
for equality doesn't have the same semantic as comparing all members for
equality. The former might find a difference where the latter doesn't in
the presence of padding or when ambiguous types like float or bool are
involved. (Floats typically have different representations for single
values, like -0.0 vs +0.0, or 0.5 * 2² vs 0.25 * 2³. The type bool has
at least 8 bits and the raw values 1 and 2 (probably) both evaluate to
true, but memcmp finds a difference.)
When searching for a channel that already has the configuration we need,
the comparison by member is the one that is needed.
Convert the comparison accordingly to compare the members one after
another. Also add a static_assert guard to (somewhat) ensure that when
struct ad7173_channel_config::config_props is expanded, the comparison
is adapted, too.
This issue is somewhat theoretic, but using memcmp() on a struct is a
bad pattern that is worth fixing.
Fixes: 76a1e6a42802 ("iio: adc: ad7173: add AD7173 driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-14-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Checking the binary representation of two structs (of the same type)
for equality doesn't have the same semantic as comparing all members for
equality. The former might find a difference where the latter doesn't in
the presence of padding or when ambiguous types like float or bool are
involved. (Floats typically have different representations for single
values, like -0.0 vs +0.0, or 0.5 * 2² vs 0.25 * 2³. The type bool has
at least 8 bits and the raw values 1 and 2 (probably) both evaluate to
true, but memcmp finds a difference.)
When searching for a channel that already has the configuration we need,
the comparison by member is the one that is needed.
Convert the comparison accordingly to compare the members one after
another. Also add a static_assert guard to (somewhat) ensure that when
struct ad7124_channel_config::config_props is expanded, the comparison
is adapted, too.
This issue is somewhat theoretic, but using memcmp() on a struct is a
bad pattern that is worth fixing.
Fixes: 7b8d045e497a ("iio: adc: ad7124: allow more than 8 channels")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-13-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Checking the binary representation of two structs (of the same type)
for equality doesn't have the same semantic as comparing all members for
equality. The former might find a difference where the latter doesn't in
the presence of padding or when ambiguous types like float or bool are
involved. (Floats typically have different representations for single
values, like -0.0 vs +0.0, or 0.5 * 2² vs 0.25 * 2³. The type bool has
at least 8 bits and the raw values 1 and 2 (probably) both evaluate to
true, but memcmp finds a difference.)
When searching for a channel that already has the configuration we need,
the comparison by member is the one that is needed.
Convert the comparison accordingly to compare the members one after
another. Also add a static_assert guard to (somewhat) ensure that when
struct ad4130_setup_info is expanded, the comparison is adapted, too.
This issue is somewhat theoretic, but using memcmp() on a struct is a
bad pattern that is worth fixing.
Fixes: 62094060cf3a ("iio: adc: ad4130: add AD4130 driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-12-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The function ad_sd_calibrate() enables the channel to calibrate at
function entry but doesn't disable it on exit. This is problematic
because if two (or more) channels are calibrated in a row, the second
calibration isn't executed as intended as the first (still enabled)
channel is recalibrated and after the first irq (i.e. when the
calibration of the first channel completed) the calibration is aborted.
This currently affects ad7173 only, as the other drivers using
ad_sd_calibrate() never have more than one channel enabled at a time.
To fix this, disable the calibrated channel after calibration.
Fixes: 031bdc8aee01 ("iio: adc: ad7173: add calibration support")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20250303114659.1672695-11-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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AD7191 is a pin-programmable, ultra-low noise 24-bit sigma-delta ADC
designed for precision bridge sensor measurements. It features two
differential analog input channels, selectable output rates,
programmable gain, internal temperature sensor and simultaneous
50Hz/60Hz rejection.
Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
Reviewed-by: David Lechner<dlechner@baylibre.com>
Link: https://patch.msgid.link/20250228141327.262488-3-alisa.roman@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter updates for 6.15
counter:
- Introduce the COUNTER_EVENT_DIRECTION_CHANGE event
- Introduce the COUNTER_COMP_COMPARE helper macro
microchip-tcb-cpature:
- Add IRQ handling
- Add support for capture extensions
- Add support for compare extension
ti-eqep:
- Add support for reading and detecting changes in direction
tools/counter:
- Add counter_watch_events executable to .gitignore
- Support COUNTER_EVENT_DIRECTION_CHANGE in counter_watch_events tool
* tag 'counter-updates-for-6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: microchip-tcb-capture: Add support for RC Compare
counter: Introduce the compare component
counter: microchip-tcb-capture: Add capture extensions for registers RA/RB
counter: microchip-tcb-capture: Add IRQ handling
counter: ti-eqep: add direction support
tools/counter: add direction change event to watcher
counter: add direction change event
tools/counter: gitignore counter_watch_events
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In Capture mode, the RC register serves as a compare register for the
Timer Counter Channel. When a the Counter Value reaches the RC value, a
RC Compare event occurs (COUNTER_EVENT_THRESHOLD). This patch exposes
the RC register to userspace as the 'compare' Count extension, thus
allowing users to configure the threshold condition for these events.
Acked-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20250306-introduce-compare-component-v1-2-93993b3dca9c@kernel.org
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
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We need the fixes in here as well to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for some reported issues. These
contain:
- typec driver fixes
- dwc3 driver fixes
- xhci driver fixes
- renesas controller fixes
- gadget driver fixes
- a new USB quirk added
All of these have been in linux-next with no reported issues"
* tag 'usb-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: typec: ucsi: Fix NULL pointer access
usb: quirks: Add DELAY_INIT and NO_LPM for Prolific Mass Storage Card Reader
usb: xhci: Fix host controllers "dying" after suspend and resume
usb: dwc3: Set SUSPENDENABLE soon after phy init
usb: hub: lack of clearing xHC resources
usb: renesas_usbhs: Flush the notify_hotplug_work
usb: renesas_usbhs: Use devm_usb_get_phy()
usb: renesas_usbhs: Call clk_put()
usb: dwc3: gadget: Prevent irq storm when TH re-executes
usb: gadget: Check bmAttributes only if configuration is valid
xhci: Restrict USB4 tunnel detection for USB3 devices to Intel hosts
usb: xhci: Enable the TRB overfetch quirk on VIA VL805
usb: gadget: Fix setting self-powered state on suspend
usb: typec: ucsi: increase timeout for PPM reset operations
acpi: typec: ucsi: Introduce a ->poll_cci method
usb: typec: tcpci_rt1711h: Unmask alert interrupts to fix functionality
usb: gadget: Set self-powered based on MaxPower and bmAttributes
usb: gadget: u_ether: Set is_suspend flag if remote wakeup fails
usb: atm: cxacru: fix a flaw in existing endpoint checks
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix that resolves a reported memory leak.
It's been in linux-next for 2 weeks now with no reported problems"
* tag 'driver-core-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers: core: fix device leak in __fw_devlink_relax_cycles()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/IIO driver fixes from Greg KH:
"Here are a number of misc and char and iio driver fixes that have been
sitting in my tree for way too long. They contain:
- iio driver fixes for reported issues
- regression fix for rtsx_usb card reader
- mei and mhi driver fixes
- small virt driver fixes
- ntsync permissions fix
- other tiny driver fixes for reported problems.
All of these have been in linux-next for quite a while with no
reported issues"
* tag 'char-misc-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (30 commits)
Revert "drivers/card_reader/rtsx_usb: Restore interrupt based detection"
ntsync: Check wait count based on byte size.
bus: simple-pm-bus: fix forced runtime PM use
char: misc: deallocate static minor in error path
eeprom: digsy_mtc: Make GPIO lookup table match the device
drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctl
binderfs: fix use-after-free in binder_devices
slimbus: messaging: Free transaction ID in delayed interrupt scenario
vbox: add HAS_IOPORT dependency
cdx: Fix possible UAF error in driver_override_show()
intel_th: pci: Add Panther Lake-P/U support
intel_th: pci: Add Panther Lake-H support
intel_th: pci: Add Arrow Lake support
intel_th: msu: Fix less trivial kernel-doc warnings
intel_th: msu: Fix kernel-doc warnings
MAINTAINERS: change maintainer for FSI
ntsync: Set the permissions to be 0666
bus: mhi: host: pci_generic: Use pci_try_reset_function() to avoid deadlock
mei: vsc: Use "wakeuphostint" when getting the host wakeup GPIO
mei: me: add panther lake P DID
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"33 hotfixes. 24 are cc:stable and the remainder address post-6.13
issues or aren't considered necessary for -stable kernels.
26 are for MM and 7 are for non-MM.
- "mm: memory_failure: unmap poisoned folio during migrate properly"
from Ma Wupeng fixes a couple of two year old bugs involving the
migration of hwpoisoned folios.
- "selftests/damon: three fixes for false results" from SeongJae Park
fixes three one year old bugs in the SAMON selftest code.
The remainder are singletons and doubletons. Please see the individual
changelogs for details"
* tag 'mm-hotfixes-stable-2025-03-08-16-27' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (33 commits)
mm/page_alloc: fix uninitialized variable
rapidio: add check for rio_add_net() in rio_scan_alloc_net()
rapidio: fix an API misues when rio_add_net() fails
MAINTAINERS: .mailmap: update Sumit Garg's email address
Revert "mm/page_alloc.c: don't show protection in zone's ->lowmem_reserve[] for empty zone"
mm: fix finish_fault() handling for large folios
mm: don't skip arch_sync_kernel_mappings() in error paths
mm: shmem: remove unnecessary warning in shmem_writepage()
userfaultfd: fix PTE unmapping stack-allocated PTE copies
userfaultfd: do not block on locking a large folio with raised refcount
mm: zswap: use ATOMIC_LONG_INIT to initialize zswap_stored_pages
mm: shmem: fix potential data corruption during shmem swapin
mm: fix kernel BUG when userfaultfd_move encounters swapcache
selftests/damon/damon_nr_regions: sort collected regiosn before checking with min/max boundaries
selftests/damon/damon_nr_regions: set ops update for merge results check to 100ms
selftests/damon/damos_quota: make real expectation of quota exceeds
include/linux/log2.h: mark is_power_of_2() with __always_inline
NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback
mm, swap: avoid BUG_ON in relocate_cluster()
mm: swap: use correct step in loop to wait all clusters in wait_for_allocation()
...
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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TCB hardware is capable of capturing the timer value to registers RA and
RB. Add these registers as capture extensions.
Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20250306134441.582819-3-csokas.bence@prolan.hu
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
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Add interrupt servicing to allow userspace to wait for the following:
* Change-of-state caused by external trigger
* Capture of timer value into RA/RB
* Compare to RC register
* Overflow
Signed-off-by: Bence Csókás <csokas.bence@prolan.hu>
Link: https://lore.kernel.org/r/20250306134441.582819-2-csokas.bence@prolan.hu
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Restore the previous behavior of the ACPI platform_profile sysfs
interface that has been changed recently in a way incompatible with
the existing user space (Mario Limonciello)"
* tag 'acpi-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
platform/x86/amd: pmf: Add balanced-performance to hidden choices
platform/x86/amd: pmf: Add 'quiet' to hidden choices
ACPI: platform_profile: Add support for hidden choices
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Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- TCP use after free fix on polling (Sagi)
- Controller memory buffer cleanup fixes (Icenowy)
- Free leaking requests on bad user passthrough commands (Keith)
- TCP error message fix (Maurizio)
- TCP corruption fix on partial PDU (Maurizio)
- TCP memory ordering fix for weakly ordered archs (Meir)
- Type coercion fix on message error for TCP (Dan)
- Name the RQF flags enum, fixing issues with anon enums and BPF import
of it
- ublk parameter setting fix
- GPT partition 7-bit conversion fix
* tag 'block-6.14-20250306' of git://git.kernel.dk/linux:
block: Name the RQF flags enum
nvme-tcp: fix signedness bug in nvme_tcp_init_connection()
block: fix conversion of GPT partition name to 7-bit
ublk: set_params: properly check if parameters can be applied
nvmet-tcp: Fix a possible sporadic response drops in weakly ordered arch
nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()
nvme-tcp: Fix a C2HTermReq error message
nvmet: remove old function prototype
nvme-ioctl: fix leaked requests on mapping error
nvme-pci: skip CMB blocks incompatible with PCI P2P DMA
nvme-pci: clean up CMBMSC when registering CMB fails
nvme-tcp: fix possible UAF in nvme_tcp_poll
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- xgene-hwmon: Fix a NULL vs IS_ERR_OR_NULL() check
- ad7314: Return error if leading zero bits are non-zero
- ntc_thermistor: Update/fix the ncpXXxh103 sensor table
- pmbus: Initialise page count in pmbus_identify()
- peci/dimmtemp: Do not provide fake threshold data
* tag 'hwmon-for-v6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: fix a NULL vs IS_ERR_OR_NULL() check in xgene_hwmon_probe()
hwmon: (ad7314) Validate leading zero bits and return error
hwmon: (ntc_thermistor) Fix the ncpXXxh103 sensor table
hwmon: (pmbus) Initialise page count in pmbus_identify()
hwmon: (peci/dimmtemp) Do not provide fake thresholds data
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- protect gpio-aggregator against module unload
- use raw spinlock in gpio-rcar to fix a lockdep splat
- fix OF node leak in gpio-rcar
* tag 'gpio-fixes-for-v6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: rcar: Fix missing of_node_put() call
gpio: rcar: Use raw_spinlock to protect register access
gpio: aggregator: protect driver attr handlers against module unload
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- amd/pmf:
- Initialize 'cb_mutex'
- Support for new version of PMF-TA
- intel-hid: Fix volume buttons on Microsoft Surface Go 4 tablet
- intel/vsec: Add Diamond Rapids support
- thinkpad_acpi: Add battery quirk for ThinkPad X131e
* tag 'platform-drivers-x86-v6.14-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/pmf: Update PMF Driver for Compatibility with new PMF-TA
platform/x86/amd/pmf: Propagate PMF-TA return codes
platform/x86/intel/vsec: Add Diamond Rapids support
platform/x86: thinkpad_acpi: Add battery quirk for ThinkPad X131e
platform/x86: intel-hid: fix volume buttons on Microsoft Surface Go 4 tablet
platform/x86/amd/pmf: Initialize and clean up `cb_mutex`
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Compared to the SNP Guest Request, the "Extended" version adds data pages for
receiving certificates. If not enough pages provided, the HV can report to the
VM how much is needed so the VM can reallocate and repeat.
Commit
ae596615d93d ("virt: sev-guest: Reduce the scope of SNP command mutex")
moved handling of the allocated/desired pages number out of scope of said
mutex and create a possibility for a race (multiple instances trying to
trigger Extended request in a VM) as there is just one instance of
snp_msg_desc per /dev/sev-guest and no locking other than snp_cmd_mutex.
Fix the issue by moving the data blob/size and the GHCB input struct
(snp_req_data) into snp_guest_req which is allocated on stack now and accessed
by the GHCB caller under that mutex.
Stop allocating SEV_FW_BLOB_MAX_SIZE in snp_msg_alloc() as only one of four
callers needs it. Free the received blob in get_ext_report() right after it is
copied to the userspace. Possible future users of snp_send_guest_request() are
likely to have different ideas about the buffer size anyways.
Fixes: ae596615d93d ("virt: sev-guest: Reduce the scope of SNP command mutex")
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikunj A Dadhania <nikunj@amd.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250307013700.437505-3-aik@amd.com
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Commit
ae596615d93d ("virt: sev-guest: Reduce the scope of SNP command mutex")
narrowed the command mutex scope to snp_send_guest_request(). However,
GET_REPORT, GET_DERIVED_KEY, and GET_EXT_REPORT share the req structure in
snp_guest_dev. Without the mutex protection, concurrent requests can overwrite
each other's data. Fix it by dynamically allocating the request structure.
Fixes: ae596615d93d ("virt: sev-guest: Reduce the scope of SNP command mutex")
Closes: https://github.com/AMDESE/AMDSEV/issues/265
Reported-by: andreas.stuehrk@yaxi.tech
Signed-off-by: Nikunj A Dadhania <nikunj@amd.com>
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250307013700.437505-2-aik@amd.com
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The fix to atomically read the pipe head and tail state when not holding
the pipe mutex has caused a number of headaches due to the size change
of the involved types.
It turns out that we don't have _that_ many places that access these
fields directly and were affected, but we have more than we strictly
should have, because our low-level helper functions have been designed
to have intimate knowledge of how the pipes work.
And as a result, that random noise of direct 'pipe->head' and
'pipe->tail' accesses makes it harder to pinpoint any actual potential
problem spots remaining.
For example, we didn't have a "is the pipe full" helper function, but
instead had a "given these pipe buffer indexes and this pipe size, is
the pipe full". That's because some low-level pipe code does actually
want that much more complicated interface.
But most other places literally just want a "is the pipe full" helper,
and not having it meant that those places ended up being unnecessarily
much too aware of this all.
It would have been much better if only the very core pipe code that
cared had been the one aware of this all.
So let's fix it - better late than never. This just introduces the
trivial wrappers for "is this pipe full or empty" and to get how many
pipe buffers are used, so that instead of writing
if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))
the places that literally just want to know if a pipe is full can just
say
if (pipe_is_full(pipe))
instead. The existing trivial cases were converted with a 'sed' script.
This cuts down on the places that access pipe->head and pipe->tail
directly outside of the pipe code (and core splice code) quite a lot.
The splice code in particular still revels in doing the direct low-level
accesses, and the fuse fuse_dev_splice_write() code also seems a bit
unnecessarily eager to go very low-level, but it's at least a bit better
than it used to be.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull drm fixes from Dave Airlie:
"Fixes across the board, mostly xe and imagination with some amd and
misc others.
The xe fixes are mostly hmm related, though there are some others in
there as well, nothing really stands out otherwise.
The nouveau Kconfig to select FW_CACHE is in this, which we discussed
a while back.
nouveau:
- rely on fw caching Kconfig fix
imagination:
- avoid deadlock on fence release
- fix fence initialisation
- fix timestamps firmware traces
scheduler:
- fix include guard
bochs:
- dpms fix
i915:
- bump max stream count to match pipes
xe:
- Remove double page flip on initial plane
- Properly setup userptr pfn_flags_mask
- Fix GT "for each engine" workarounds
- Fix userptr races and missed validations
- Userptr invalid page access fixes
- Cleanup some style nits
amdgpu:
- Fix NULL check in DC code
- SMU 14 fix
amdkfd:
- Fix NULL check in queue validation
radeon:
- RS400 HyperZ fix"
* tag 'drm-fixes-2025-03-07' of https://gitlab.freedesktop.org/drm/kernel: (22 commits)
drm/bochs: Fix DPMS regression
drm/xe/userptr: Unmap userptrs in the mmu notifier
drm/xe/hmm: Don't dereference struct page pointers without notifier lock
drm/xe/hmm: Style- and include fixes
drm/xe: Add staging tree for VM binds
drm/xe: Fix fault mode invalidation with unbind
drm/xe/vm: Fix a misplaced #endif
drm/xe/vm: Validate userptr during gpu vma prefetching
drm/amd/pm: always allow ih interrupt from fw
drm/radeon: Fix rs400_gpu_init for ATI mobility radeon Xpress 200M
drm/amdkfd: Fix NULL Pointer Dereference in KFD queue
drm/amd/display: Fix null check for pipe_ctx->plane_state in resource_build_scaling_params
drm/xe: Fix GT "for each engine" workarounds
drm/xe/userptr: properly setup pfn_flags_mask
drm/i915/mst: update max stream count to match number of pipes
drm/xe: Remove double pageflip
drm/sched: Fix preprocessor guard
drm/imagination: Fix timestamps in firmware traces
drm/imagination: only init job done fences once
drm/imagination: Hold drm_gem_gpuva lock for unmap
...
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-6.14-2025-03-06:
amdgpu:
- Fix NULL check in DC code
- SMU 14 fix
amdkfd:
- Fix NULL check in queue validation
radeon:
- RS400 HyperZ fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306193424.27413-1-alexander.deucher@amd.com
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Remove double page flip on initial plane (Maarten)
- Properly setup userptr pfn_flags_mask (Auld)
- Fix GT "for each engine" workarounds (Tvrtko)
- Fix userptr races and missed validations (Thomas, Brost)
- Userptr invalid page access fixes (Thomas)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z8ni6w3tskCFL11O@intel.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- DP MST fix (Jani)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/Z8ng8NjmRGiVcb5t@intel.com
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
A Kconfig fix for nouveau, locking and timestamp fixes for imagination,
a header guard fix for sched and a DPMS regression fix for bochs.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250306-antelope-of-imminent-anger-bca19e@houat
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth and wireless.
Current release - new code bugs:
- wifi: nl80211: disable multi-link reconfiguration
Previous releases - regressions:
- gso: fix ownership in __udp_gso_segment
- wifi: iwlwifi:
- fix A-MSDU TSO preparation
- free pages allocated when failing to build A-MSDU
- ipv6: fix dst ref loop in ila lwtunnel
- mptcp: fix 'scheduling while atomic' in
mptcp_pm_nl_append_new_local_addr
- bluetooth: add check for mgmt_alloc_skb() in
mgmt_device_connected()
- ethtool: allow NULL nlattrs when getting a phy_device
- eth: be2net: fix sleeping while atomic bugs in
be_ndo_bridge_getlink
Previous releases - always broken:
- core: support TCP GSO case for a few missing flags
- wifi: mac80211:
- fix vendor-specific inheritance
- cleanup sta TXQs on flush
- llc: do not use skb_get() before dev_queue_xmit()
- eth: ipa: nable checksum for IPA_ENDPOINT_AP_MODEM_{RX,TX}
for v4.7"
* tag 'net-6.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (41 commits)
net: ipv6: fix missing dst ref drop in ila lwtunnel
net: ipv6: fix dst ref loop in ila lwtunnel
mctp i3c: handle NULL header address
net: dsa: mt7530: Fix traffic flooding for MMIO devices
net-timestamp: support TCP GSO case for a few missing flags
vlan: enforce underlying device type
mptcp: fix 'scheduling while atomic' in mptcp_pm_nl_append_new_local_addr
net: ethtool: netlink: Allow NULL nlattrs when getting a phy_device
ppp: Fix KMSAN uninit-value warning with bpf
net: ipa: Enable checksum for IPA_ENDPOINT_AP_MODEM_{RX,TX} for v4.7
net: ipa: Fix QSB data for v4.7
net: ipa: Fix v4.7 resource group names
net: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error
wifi: nl80211: disable multi-link reconfiguration
net: dsa: rtl8366rb: don't prompt users for LED control
be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink
llc: do not use skb_get() before dev_queue_xmit()
wifi: cfg80211: regulatory: improve invalid hints checking
caif_virtio: fix wrong pointer check in cfv_probe()
net: gso: fix ownership in __udp_gso_segment
...
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Resources should be released only after all threads that utilize them
have been destroyed.
This commit ensures that resources are not released prematurely by waiting
for the associated workqueue to complete before deallocating them.
Cc: stable <stable@kernel.org>
Fixes: b9aa02ca39a4 ("usb: typec: ucsi: Add polling mechanism for partner tasks like alt mode checking")
Signed-off-by: Andrei Kuchynski <akuchynski@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250305111739.1489003-2-akuchynski@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When used on Huawei hisi platforms, Prolific Mass Storage Card Reader
which the VID:PID is in 067b:2731 might fail to enumerate at boot time
and doesn't work well with LPM enabled, combination quirks:
USB_QUIRK_DELAY_INIT + USB_QUIRK_NO_LPM
fixed the problems.
Signed-off-by: Miao Li <limiao@kylinos.cn>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20250304070757.139473-1-limiao870622@163.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
