vsc_identify_silicon() returns -EINVAL in various places without logging
what is going on.
And there are several bug reports about mei_vsc_hw_reset() failing with
-EINVAL before the "silicon stepping version is %u:%u" message get logged,
indicating this is coming from vsc_identify_silicon():
[ 10.949657] intel_vsc intel_vsc: hw_reset failed ret = -22
[ 10.988899] intel_vsc intel_vsc: hw_reset failed ret = -22
[ 11.027140] intel_vsc intel_vsc: hw_reset failed ret = -22
[ 11.027151] intel_vsc intel_vsc: reset: reached maximal consecutive resets: disabling the device
[ 11.027155] intel_vsc intel_vsc: reset failed ret = -19
[ 11.027157] intel_vsc intel_vsc: link layer initialization failed.
[ 11.027159] intel_vsc intel_vsc: error -ENODEV: init hw failed
Add proper error logging to mei_vsc_hw_reset() so that it will be clear
why it is failing when it fails.
Link: https://github.com/intel/ivsc-driver/issues/51
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20241108151234.36884-1-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The only 2 callers of vsc_tp_reset() are:
1. mei_vsc_hw_reset(), which immediataly calls vsc_tp_intr_disable()
afterwards.
2. vsc_tp_shutdown() which immediately calls free_irq() afterwards.
So neither actually wants the interrupt to be enabled after resetting
the chip and having the interrupt enabled for a short time afer
the reset is undesirable.
Drop the enable_irq() call from vsc_tp_reset(), so that the interrupt
is left disabled after vsc_tp_reset().
Link: https://github.com/intel/ivsc-driver/issues/51
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20241106220102.40549-1-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add compatible string for the SPMI block on MT8188 SoC, which is
compatible with the one used on MT8195.
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Fei Shao <fshao@chromium.org>
Link: https://lore.kernel.org/r/20240911143429.850071-2-fshao@chromium.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.dleregno@collabora.com>
Link: https://lore.kernel.org/r/20241109002829.160973-3-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This loop requires explicit calls to of_node_put() upon early exits
(break, goto, return) to decrement the child refcounter and avoid memory
leaks if the child is not required out of the loop.
A more robust solution is using the scoped variant of the macro, which
automatically calls of_node_put() when the child goes out of scope.
Cc: stable@vger.kernel.org
Fixes: 9799873717 ("spmi: pmic-arb: Add multi bus support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20241001-spmi-pmic-arb-scoped-v1-1-5872bab34ed6@gmail.com
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20241109002829.160973-2-sboyd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alongside new drivers and device support there are several large
cleanups going on across the IIO tree and we see part of some of those
in this pull request.
Merged char-misc-next at point of 6.12-rc6 merge to avoid a
conflict with a fix for the ad7380 merged earlier this cycle.
Note that I previously messed this merge up and had to reconstruct
it this morning so a coherent pull request was possible. The new
stuff is all the same as has been in linux-next for some time with
the exception of the kernel-doc related __private ordering fix
that went in yesterday.
New device support
==================
adi,ad7380
- Support for adaq4370-4 and adaq4370 quad channel ADCs.
adi,ad7606
- Various cleanups preceeding support of AD7607, AD7608 and AD7609 ADCs.
adi,ad7779
- New driver supproting AD7770, AD7771 and AD7779 ADCs.
allegro,als31300
- New driver for this 3D Linear Hall Effect sensor.
bosch,bmi270
- Add support BMI260 which is similar but requires a different firmware image.
bosch,smi240
- New driver for this IMU.
ti,opt3001
- Add support opt3002 light sensor which has a wider spectral range than
the opt3001.
vishay,veml3235
- New driver for this ambient light sensor.
Features
========
hid-sensors
- Add support Human Proximity Range and Attention detection (requiring
a new classification style channel type)
adi,ad3552r
- Add backend support and related platform driver to support use
with an FPGA IP to allow QSPI + DDR bus operation and much higher
data aquisition rates. (various rework preceeded this feature)
adi,ad7606
- Various cleanup prior to enabling use with an IIO Backend and PWM trigger
enabling much higher speed data capture.
bosch,bme680
- Support control of preheat current
- Support triggered buffer capture
- Add SCALE and RAW channels (needed to enable the buffered capture).
bosch,bmp280
- Enable sleeping to save power.
- Add interrupt support for bmp3xx and bmp5xx devices. Also update bmp085
to new approach.
- Enable data ready trigger.
bosch,bmi270
- Add triggered buffer support
- Add scale and sampling frequency control.
vishay,veml6070
- Support integration time via DT binding for an external resistor value.
Cleanup and minor fixes
=======================
core
- Fix a longstanding issue with event codes for differential channels.
Note that not all drivers are yet fixed, but macros have been added
to avoid potential repeats of this in future.
- Tidy up handling in iio_read_acpi_mount matrix.
- Mark iio_dev::priv with __private. Later move the marking before the
field name to avoid a kernel-doc issue.
treewide
- Drop some pointless default n entries in Kconfig.
- Add an iio_get_acpi_device_name_and_data() handler to replace some
commonly repeated code.
- simplify use of 'state' in write_event_config() callback as it is
effectively a boolean. Once done make it a boolean (lots of drivers
were updated to enable this)
- some more use of devm_regulator_get_enable_read_voltage( to replace
open coded versions. Where this enables it convert all of remove
handling to devm based and drop the remove callback.
- check returns from devm_mutex_init()
accel drivers
- Use aligned_s64 instead of s64 __aligned(8)
adi,ad5791
- Add some missing GPIOs and power supplies that presumably were always
hard wired on previous boards.
- Refactor to use chip_info in device id tables.
- Convert probe entirely to devm based simplify code and allowing remove()
callback to be dropped.
adi,ad7192
- Check return from spi_get_device_match_data()
adi,ad74413r
- Don't keep an unnecessary copy of the gpio after probe.
- Use devm_regulator_get_enable_read_voltage() instead of open coding.
- Apply cleanup.h approach to reduce complexity.
adi,dac8460
- Fix a wrong compaitble ID due to a stray space.
- Add an spi_device_id table.
bosch,bmc150
- Drop some likely false ACPI IDs.
- Drop left over unused ACPI specific code.
bosch,bme680
- Add mising regmap.h include.
- Reduce excessive sleep on startup.
- Drop some cammelcase usage.
- Use fsleep
- Generalize read functions to allow for reuse.
- Use s16 variable to avoid some incorrect casting
bosch,bmg150
- Drop some likely false ACPI IDs.
bosch,bmi270
- Drop unused FREQUENCY and SCALE attributes that always returned an
error (they wil be back impelmented correctly).
- Factor out the chip specific data into a structure to enable simple
support for additional devices.
isil,isl29018
- Drop ACPI_PTR() and CONFIG_ACPI guards as not worth the trouble for very
minor saving.
invensense,mpu6050
- Use much simpler test for ACPI firmware.
kionix,kxcjk-1013
- Drop unnecessary ACPI entry in the i2c_device_id table.
- Drop support KX022-1020 to fix a bug that was introduced with that change.
Hopefully a fixed version will replace it soon.
- Drop CONFIG guards for PM in favor of pm_ptr() and the compiler removing
dead code.
- Switch from enum to chip_info structure and add ODR times to that structure.
- Deduplicate one of those ODR structures
- Drop ACPI_PTR() and move ID table out of config guards.
- Minor additional cleanup.
liteon,ltr401
- Drop some likely false ACPI Ids and add LTER0303 which is know to be in use.
microchip,pac1934
- Use much simpler test for ACPI firmware.
vishay,veml6070
- Use unsigned int instead of just unsigned.
- Use FIELD_PREP to make setting of field value explicit.
Various other minor fixes to documentation
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Merge tag 'iio-for-6.13b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 2nd set of new device support, features and cleanup for 6.13
Alongside new drivers and device support there are several large
cleanups going on across the IIO tree and we see part of some of those
in this pull request.
Merged char-misc-next at point of 6.12-rc6 merge to avoid a
conflict with a fix for the ad7380 merged earlier this cycle.
Note that I previously messed this merge up and had to reconstruct
it this morning so a coherent pull request was possible. The new
stuff is all the same as has been in linux-next for some time with
the exception of the kernel-doc related __private ordering fix
that went in yesterday.
New device support
==================
adi,ad7380
- Support for adaq4370-4 and adaq4370 quad channel ADCs.
adi,ad7606
- Various cleanups preceeding support of AD7607, AD7608 and AD7609 ADCs.
adi,ad7779
- New driver supproting AD7770, AD7771 and AD7779 ADCs.
allegro,als31300
- New driver for this 3D Linear Hall Effect sensor.
bosch,bmi270
- Add support BMI260 which is similar but requires a different firmware image.
bosch,smi240
- New driver for this IMU.
ti,opt3001
- Add support opt3002 light sensor which has a wider spectral range than
the opt3001.
vishay,veml3235
- New driver for this ambient light sensor.
Features
========
hid-sensors
- Add support Human Proximity Range and Attention detection (requiring
a new classification style channel type)
adi,ad3552r
- Add backend support and related platform driver to support use
with an FPGA IP to allow QSPI + DDR bus operation and much higher
data aquisition rates. (various rework preceeded this feature)
adi,ad7606
- Various cleanup prior to enabling use with an IIO Backend and PWM trigger
enabling much higher speed data capture.
bosch,bme680
- Support control of preheat current
- Support triggered buffer capture
- Add SCALE and RAW channels (needed to enable the buffered capture).
bosch,bmp280
- Enable sleeping to save power.
- Add interrupt support for bmp3xx and bmp5xx devices. Also update bmp085
to new approach.
- Enable data ready trigger.
bosch,bmi270
- Add triggered buffer support
- Add scale and sampling frequency control.
vishay,veml6070
- Support integration time via DT binding for an external resistor value.
Cleanup and minor fixes
=======================
core
- Fix a longstanding issue with event codes for differential channels.
Note that not all drivers are yet fixed, but macros have been added
to avoid potential repeats of this in future.
- Tidy up handling in iio_read_acpi_mount matrix.
- Mark iio_dev::priv with __private. Later move the marking before the
field name to avoid a kernel-doc issue.
treewide
- Drop some pointless default n entries in Kconfig.
- Add an iio_get_acpi_device_name_and_data() handler to replace some
commonly repeated code.
- simplify use of 'state' in write_event_config() callback as it is
effectively a boolean. Once done make it a boolean (lots of drivers
were updated to enable this)
- some more use of devm_regulator_get_enable_read_voltage( to replace
open coded versions. Where this enables it convert all of remove
handling to devm based and drop the remove callback.
- check returns from devm_mutex_init()
accel drivers
- Use aligned_s64 instead of s64 __aligned(8)
adi,ad5791
- Add some missing GPIOs and power supplies that presumably were always
hard wired on previous boards.
- Refactor to use chip_info in device id tables.
- Convert probe entirely to devm based simplify code and allowing remove()
callback to be dropped.
adi,ad7192
- Check return from spi_get_device_match_data()
adi,ad74413r
- Don't keep an unnecessary copy of the gpio after probe.
- Use devm_regulator_get_enable_read_voltage() instead of open coding.
- Apply cleanup.h approach to reduce complexity.
adi,dac8460
- Fix a wrong compaitble ID due to a stray space.
- Add an spi_device_id table.
bosch,bmc150
- Drop some likely false ACPI IDs.
- Drop left over unused ACPI specific code.
bosch,bme680
- Add mising regmap.h include.
- Reduce excessive sleep on startup.
- Drop some cammelcase usage.
- Use fsleep
- Generalize read functions to allow for reuse.
- Use s16 variable to avoid some incorrect casting
bosch,bmg150
- Drop some likely false ACPI IDs.
bosch,bmi270
- Drop unused FREQUENCY and SCALE attributes that always returned an
error (they wil be back impelmented correctly).
- Factor out the chip specific data into a structure to enable simple
support for additional devices.
isil,isl29018
- Drop ACPI_PTR() and CONFIG_ACPI guards as not worth the trouble for very
minor saving.
invensense,mpu6050
- Use much simpler test for ACPI firmware.
kionix,kxcjk-1013
- Drop unnecessary ACPI entry in the i2c_device_id table.
- Drop support KX022-1020 to fix a bug that was introduced with that change.
Hopefully a fixed version will replace it soon.
- Drop CONFIG guards for PM in favor of pm_ptr() and the compiler removing
dead code.
- Switch from enum to chip_info structure and add ODR times to that structure.
- Deduplicate one of those ODR structures
- Drop ACPI_PTR() and move ID table out of config guards.
- Minor additional cleanup.
liteon,ltr401
- Drop some likely false ACPI Ids and add LTER0303 which is know to be in use.
microchip,pac1934
- Use much simpler test for ACPI firmware.
vishay,veml6070
- Use unsigned int instead of just unsigned.
- Use FIELD_PREP to make setting of field value explicit.
Various other minor fixes to documentation
* tag 'iio-for-6.13b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (153 commits)
iio: Move __private marking before struct element priv in struct iio_dev
docs: iio: ad7380: add adaq4370-4 and adaq4380-4
iio: adc: ad7380: add support for adaq4370-4 and adaq4380-4
iio: adc: ad7380: use local dev variable to shorten long lines
iio: adc: ad7380: fix oversampling formula
dt-bindings: iio: adc: ad7380: add adaq4370-4 and adaq4380-4 compatible parts
iio: chemical: bme680: Add support for preheat current
iio: chemical: bme680: Add triggered buffer support
iio: chemical: bme680: Add SCALE and RAW channels
iio: chemical: bme680: refactorize set_mode() mode
iio: events: make IIO_EVENT_CODE macro private
iio: accel: mma9553: use specialized event code macros
iio: dummy: use specialized event code macros
iio: adc: ad7280a: use IIO_DIFF_EVENT_CODE macro helper
iio: events.h: add event identifier macros for differential channel
iio: magnetometer: add Allegro MicroSystems ALS31300 3-D Linear Hall Effect driver
dt-bindings: iio: magnetometer: document the Allegro MicroSystems ALS31300 3-D Linear Hall Effect Sensor
dt-bindings: vendor-prefixes: Add Allegro MicroSystems, Inc
iio: light: apds9960: remove useless return
iio: light: apds9960: convert als_int and pxs_int to bool
...
This is to avoid tripping up kernel-doc which filters it out before
but not after the name.
Note the formatting is less than ideal as a result so we may revisit
in future.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adding documentation for adaq4370-4 and adaq4380-4 supported devices. In
particular, document the reference voltage mechanism and the gain
parameter that are specific to adaq devices.
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241030-ad7380-add-adaq4380-4-support-v4-5-864ff02babae@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
adaq4370-4 (2MSPS) and adaq4380-4 (4MSPS) are quad-channel precision data
acquisition signal chain μModule solutions compatible with the ad738x
family, with the following differences:
- pin selectable gain in front of each 4 adc
- internal reference is 3V derived from refin-supply (5V)
- additional supplies
This implies that IIO_CHAN_INFO_SCALE can not be shared by type for
these new devices.
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241030-ad7380-add-adaq4380-4-support-v4-4-864ff02babae@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The formula in the datasheet for oversampling time conversion seems to
be valid when device is at full speed using the maximum number of SDO
lines. The driver currently support only 1 SDO line. The correct formula
is: t_convert = T_CONVERT_0_NS + T_CONVERT_X_NS*(x -
1)*num_channel/number_of_sdo_lines.
It will produce larger delays than what is currently set, but some devices
actually require it.
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241030-ad7380-add-adaq4380-4-support-v4-2-864ff02babae@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
adaq4370-4 (2MSPS) and adaq4380-4 (4MSPS) are quad-channel precision data
acquisition signal chain μModule solutions compatible with the ad738x
family, with the following differences:
- pin selectable gain in front of each 4 adc
- internal reference is 3V derived from refin-supply (5V)
- additional supplies
To select the gain a new patternProperties is added to describe each
channel. It is restricted to adaq devices.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241030-ad7380-add-adaq4380-4-support-v4-1-864ff02babae@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
========
- Fixed typo in the comments section
- Fixed the sparse warning in MHI trace by converting the inputs to native
endian instead of passing little endian fields.
- Used pcim_iomap_region() API to request and map the MHI BAR. This removes the
usage of deprecated pcim_iomap_regions() and pcim_iomap_table() APIs.
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Merge tag 'mhi-for-v6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
MHI Host
========
- Fixed typo in the comments section
- Fixed the sparse warning in MHI trace by converting the inputs to native
endian instead of passing little endian fields.
- Used pcim_iomap_region() API to request and map the MHI BAR. This removes the
usage of deprecated pcim_iomap_regions() and pcim_iomap_table() APIs.
* tag 'mhi-for-v6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: host: pci_generic: Use pcim_iomap_region() to request and map MHI BAR
bus: mhi: host: Switch trace_mhi_gen_tre fields to native endian
bus: mhi: host: Fix typos in the comments
Usual mixed bag of new issues from this cycle and ancient bugs
recently noticed.
core
- Fix wrong fwnode handle if __fwnode_iio_channel_get_by_name()
looks at parents of the provider node.
core,backend
- Fix a wrong pointer error check.
gts library
- Fix plausible corner case where the value returned was not set.
- Avoid near infinite loop if the size of the table is 0.
(neither are an issue for current drivers).
adi,ad4000
- Fix reading of unsigned channels that were returning garbage.
adi,ad7780
- Prevent a division by zero.
adi,ad7923
- Fix buffer overflows in arrays that were not resized when devices
with more channels were added to the driver.
adi,adxl380
- Check only for negative error codes rather than including the
positive channel read values in an error check.
invense,common
- Fix an issue where changing the sampling rate to another value and
back again whilst the FIFO was off would not update things correctly.
kionix,kx022a
- Fix failure to sign extend value read from device.
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Merge tag 'iio-fixes-for-6.12c' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 3rd set of fixes for the 6.12 cycle
Usual mixed bag of new issues from this cycle and ancient bugs
recently noticed.
core
- Fix wrong fwnode handle if __fwnode_iio_channel_get_by_name()
looks at parents of the provider node.
core,backend
- Fix a wrong pointer error check.
gts library
- Fix plausible corner case where the value returned was not set.
- Avoid near infinite loop if the size of the table is 0.
(neither are an issue for current drivers).
adi,ad4000
- Fix reading of unsigned channels that were returning garbage.
adi,ad7780
- Prevent a division by zero.
adi,ad7923
- Fix buffer overflows in arrays that were not resized when devices
with more channels were added to the driver.
adi,adxl380
- Check only for negative error codes rather than including the
positive channel read values in an error check.
invense,common
- Fix an issue where changing the sampling rate to another value and
back again whilst the FIFO was off would not update things correctly.
kionix,kx022a
- Fix failure to sign extend value read from device.
* tag 'iio-fixes-for-6.12c' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: Fix fwnode_handle in __fwnode_iio_channel_get_by_name()
iio: accel: adxl380: fix raw sample read
iio: accel: kx022a: Fix raw read format
iio: gts: fix infinite loop for gain_to_scaletables()
iio: gts: Fix uninitialized symbol 'ret'
iio: adc: ad4000: fix reading unsigned data
ad7780: fix division by zero in ad7780_write_raw()
iio: adc: ad7923: Fix buffer overflow for tx_buf and ring_xfer
iio: backend: fix wrong pointer passed to IS_ERR()
iio: invensense: fix multiple odr switch when FIFO is off
Use of both pcim_iomap_regions() and pcim_iomap_table() APIs are
deprecated. Hence, switch to pcim_iomap_region() API which handles both the
request and map of the MHI BAR region.
Cc: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Mayank Rana <quic_mrana@quicinc.com>
Link: https://lore.kernel.org/r/20241004023351.6946-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Each of the __field() macros were triggering sparse warnings similar to:
trace.h:87:1: sparse: sparse: cast to restricted __le64
trace.h:87:1: sparse: sparse: restricted __le64 degrades to integer
trace.h:87:1: sparse: sparse: restricted __le64 degrades to integer
Change each little endian type to its similarly sized native integer.
Convert inputs into native endian.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402071859.8qMhgJEQ-lkp@intel.com/
Fixes: ceeb64f41f ("bus: mhi: host: Add tracing support")
Signed-off-by: Carl Vanderlip <quic_carlv@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Mayank Rana <quic_mrana@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241004170321.4047492-1-quic_carlv@quicinc.com
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Hari Prasath Gujulan Elango <hari.prasathge@microchip.com>
Link: https://lore.kernel.org/r/20241104190700.275573-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Only propose KEBA CP500 drivers on architectures where the device
exists, unless build-testing.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20241104142217.1dad57cf@endymion.delvare
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix device_node handling in stm32-timer-cnt by calling required
of_node_put() after device node is no longer needed. Check and handle
clk_enable() failures in stm32-timer-cnt and ti-ecap-capture.
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
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Merge tag 'counter-fixes-for-6.12' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter fixes for 6.12
Fix device_node handling in stm32-timer-cnt by calling required
of_node_put() after device node is no longer needed. Check and handle
clk_enable() failures in stm32-timer-cnt and ti-ecap-capture.
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
* tag 'counter-fixes-for-6.12' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: ti-ecap-capture: Add check for clk_enable()
counter: stm32-timer-cnt: Add check for clk_enable()
counter: stm32-timer-cnt: fix device_node handling in probe_encoder()
Add MODULE_DEVICE_TABLE() for ftm-quaddec to autoload based on the alias
from of_device_id table. Replace deprecated pcim_iomap_regions() and
pcim_iomap_table() calls with pcim_iomap_region() in intel-eqp.
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Merge tag 'counter-updates-for-6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter into char-misc-next
William writes:
Counter updates for 6.13
Add MODULE_DEVICE_TABLE() for ftm-quaddec to autoload based on the alias
from of_device_id table. Replace deprecated pcim_iomap_regions() and
pcim_iomap_table() calls with pcim_iomap_region() in intel-eqp.
* tag 'counter-updates-for-6.13' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wbg/counter:
counter: intel-qep: Replace deprecated PCI functions
counter: ftm-quaddec: Enable module autoloading
The bin_attr_nvmem_write() must check the read_only flag and block
writes on read-only devices, now that a nvmem device can be switched
between read-write and read-only mode at runtime using the force_ro
attribute. Add the missing check.
Fixes: 9d7eb234ac ("nvmem: core: Implement force_ro sysfs attribute")
Cc: Stable@vger.kernel.org
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20241030140253.40445-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If some remap_pfn_range() calls succeeded before one failed, we still have
buffer pages mapped into the userspace page tables when we drop the buffer
reference with comedi_buf_map_put(bm). The userspace mappings are only
cleaned up later in the mmap error path.
Fix it by explicitly flushing all mappings in our VMA on the error path.
See commit 79a61cc3fc ("mm: avoid leaving partial pfn mappings around in
error case").
Cc: stable@vger.kernel.org
Fixes: ed9eccbe89 ("Staging: add comedi core")
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20241017-comedi-tlb-v3-1-16b82f9372ce@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After commit 0edb555a65 ("platform: Make platform_driver::remove()
return void") .remove() is (again) the right callback to implement for
platform drivers.
Convert all platform drivers matched by the "CHAR and MISC DRIVERS"
maintainer's entry to use .remove(), with the eventual goal to drop
struct platform_driver::remove_new(). As .remove() and .remove_new()
have the same prototypes, conversion is done by just changing the
structure member name in the driver initializer.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Eli Billauer <eli.billauer@gmail.com>
Link: https://lore.kernel.org/r/20241021104511.405661-2-u.kleine-koenig@baylibre.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Warnings such as
ctags: Warning: include/linux/wait_bit.h:59: null expansion of name pattern "\1"
are triggered when parsing DECLARE_BITMAP() inside comments,
resulting in an empty token.
To avoid this, ensure only non-empty tokens.
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Link: https://lore.kernel.org/r/20241025130322.3077455-1-costa.shul@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Literal string of ctags arguments is too long and overloaded.
Replace it with neat bash list.
Identifiers are sorted, and those with a new first
letter start on a new line for better maintainability.
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
Link: https://lore.kernel.org/r/20241025064536.3022849-1-costa.shul@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert the Spreadtrum UMS312 eFuse bindings to DT schema.
Adjust filename to match compatible.
Note: the UMS312 clock bindings include doesn't seem to exist (yet?), so
the UMS512 one was used for the "CLK_EFUSE_EB" define.
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Stanislav Jakubek <stano.jakubek@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20241030140315.40562-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To ensure code clarity and prevent potential errors, it's advisable
to employ the ';' as a statement separator, except when ',' are
intentionally used for specific purposes.
Signed-off-by: Shen Lichuan <shenlichuan@vivo.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20241030140315.40562-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
R-Car Gen4 SoCs contain fuses indicating hardware support or hardware
(e.g. tuning) parameters. Add a driver to access the state of the
fuses. This supports two types of hardware fuse providers:
1. E-FUSE non-volatile memory accessible through the Pin Function
Controller on R-Car V3U and S4-8,
2. E-FUSE non-volatile memory accessible through OTP_MEM on R-Car V4H
and V4M.
The state of the cells can be read using the NVMEM framework, either
from kernel space (e.g. by the Renesas UFSHCD driver), or from
userspace.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20241030140315.40562-3-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The R-Car E-FUSE blocks can be modelled better using the nvmem
framework.
Replace the R-Car V3U example by an R-Car S4-8 ES1.2 example, to show
the definition of nvmem cells. While at it, drop unneeded labels from
the examples, and fix indentation.
Add an entry to the MAINTAINERS file.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20241030140315.40562-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the following compilation warning:
drivers/platform/goldfish/goldfish_pipe.c:925:36: warning:
‘goldfish_pipe_acpi_match’ defined but not used
[-Wunused-const-variable=]
925 | static const struct acpi_device_id goldfish_pipe_acpi_match[] = {
The complexity of config guards needed for ACPI_PTR() is not worthwhile
for the small amount of saved data. So remove the use of ACPI_PTR instead
and drop now unneeded linux/acpi.h include.
Fixes: d62f324b0a ("goldfish: Enable ACPI-based enumeration for android pipe")
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Link: https://lore.kernel.org/r/20241026070150.3239819-1-zengheng4@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The rtsx_pci_ms memstick driver has been dropped, thus there is no more
need for DRV_NAME_RTSX_PCI_MS variable. Additionally, this also stand-
arizes DRV_NAME variables on alcor_pci and rtsx_usb drivers.
Fixes: d0f459259c ("memstick: rtsx_pci_ms: Remove Realtek PCI memstick driver")
Signed-off-by: Desnes Nunes <desnesn@redhat.com>
Link: https://lore.kernel.org/r/20241031142801.1141680-1-desnesn@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Implement `dev_*` print macros for `device::Device`.
They behave like the macros with the same names in C, i.e., they print
messages to the kernel ring buffer with the given level, prefixing the
messages with corresponding device information.
Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://lore.kernel.org/r/20241022213221.2383-9-dakr@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This allows modules to be initialised in-place in pinned memory, which
enables the usage of pinned types (e.g., mutexes, spinlocks, driver
registrations, etc.) in modules without any extra allocations.
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Link: https://lore.kernel.org/r/20241022213221.2383-3-dakr@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add check for the return value of clk_enable() in order to catch the
potential exception.
Fixes: 4e2f42aa00 ("counter: ti-ecap-capture: capture driver support for ECAP")
Reviewed-by: Julien Panis <jpanis@baylibre.com>
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://lore.kernel.org/r/20241104194059.47924-1-jiashengjiangcool@gmail.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Add check for the return value of clk_enable() in order to catch the
potential exception.
Fixes: c5b8425514 ("counter: stm32-timer-cnt: add power management support")
Fixes: ad29937e20 ("counter: Add STM32 Timer quadrature encoder")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Link: https://lore.kernel.org/r/20241104191825.40155-1-jiashengjiangcool@gmail.com
Signed-off-by: William Breathitt Gray <wbg@kernel.org>
Add functionality to inject a specified amount of current to the heating
plate before the start of the gas measurement to allow the sensor to reach
faster to the requested temperature.
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241102131311.36210-5-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add triggered buffer and soft timestamp support. The available scan mask
enables all the channels of the sensor in order to follow the operation of
the sensor. The sensor basically starts to capture from all channels
as long as it enters into FORCED mode.
The bulk read, reads a total of 15 registers from the sensor, 0x1D..0x2B.
Even though some of those registers are not reported in the register map
of the device, this is how the BME680 Sensor API [1] proposes to do it.
This allows to have one bulk read instead of multiple ones.
Link: https://github.com/boschsensortec/BME68x_SensorAPI/blob/v4.4.8/bme68x.c#L1200
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241102131311.36210-4-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add SCALE,RAW channels to the device. Even though PROCESSED should be
kept for backwards compatibility add comment to avoid using it if the
value is not actually reported in IIO values.
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241102131311.36210-3-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactorize the set_mode() function to use an external enum that
describes the possible modes of the BME680 device instead of using
true/false variables for selecting SLEEPING/FORCED mode.
Signed-off-by: Vasileios Amoiridis <vassilisamir@gmail.com>
Link: https://patch.msgid.link/20241102131311.36210-2-vassilisamir@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Make IIO_EVENT_CODE "private" by adding a leading underscore.
There are no more users of this macro in the kernel so we can make it
"private" and encourage developers to use the specialized versions of
the macro instead.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241101-iio-fix-event-macro-use-v1-3-0000c5d09f6d@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
