For reliable operation across the full range of supported
interface rates, the AD5593R needs a STOP condition between
address write, and data read (like show in the datasheet Figure 40)
so in turn i2c_smbus_read_word_swapped cannot be used.
While at it, a simple helper was added to make the code simpler.
Fixes: 56ca9db862 ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs")
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220913073413.140475-2-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Extend the adi,adxl313.yaml file with information regrding the
ADXL312 and ADXL314 devices.
Signed-off-by: George Mois <george.mois@analog.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220905132018.364900-1-george.mois@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Updated links for BMP280 and BME280 datasheets on Bosch website.
Datasheet of BMP180 is no longer available on the manufacturer's website,
changed the link to a copy hosted by a third party.
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Angel Iglesias <ang.iglesiasg@gmail.com>
Link: https://lore.kernel.org/r/20220912222645.377874-1-ang.iglesiasg@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the ST LPS22DF, an I2C/SPI pressure sensor.
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220909161611.780720-1-martyn.welch@collabora.co.uk
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Coresight trace subsystem updates for v6.1 includes:
- Support for HiSilicon PTT trace
- Coresight cleanup of sysfs accessor functions, reduced
code size.
- Expose coresight timestamp source for ETMv4+
- DT binding updates to include missing properties
- Minor documentation, Kconfig text fixes.
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
"coresight: Changes for v6.1
Coresight trace subsystem updates for v6.1 includes:
- Support for HiSilicon PTT trace
- Coresight cleanup of sysfs accessor functions, reduced
code size.
- Expose coresight timestamp source for ETMv4+
- DT binding updates to include missing properties
- Minor documentation, Kconfig text fixes.
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>"
* tag 'coresight-next-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux:
hwtracing: hisi_ptt: Fix up for "iommu/dma: Make header private"
MAINTAINERS: Add maintainer for HiSilicon PTT driver
docs: trace: Add HiSilicon PTT device driver documentation
hwtracing: hisi_ptt: Add tune function support for HiSilicon PCIe Tune and Trace device
hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device
iommu/arm-smmu-v3: Make default domain type of HiSilicon PTT device to identity
coresight: cti-sysfs: Mark coresight_cti_reg_store() as __maybe_unused
coresight: Make new csdev_access offsets unsigned
coresight: cti-sysfs: Re-use same functions for similar sysfs register accessors
coresight: Re-use same function for similar sysfs register accessors
coresight: Simplify sysfs accessors by using csdev_access abstraction
coresight: Remove unused function parameter
coresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface
coresight: etm4x: Expose default timestamp source in sysfs
dt-bindings: arm: coresight-tmc: Add 'iommu' property
dt-bindings: arm: coresight: Add 'power-domains' property
coresight: docs: Fix a broken reference
coresight: trbe: fix Kconfig "its" grammar
This includes Nuno Sa's work to move the IIO core over to generic firmware
properties rather than having DT specific code paths. Combined with Andy
Shevchenko's long term work on drivers, this leaves IIO in a good state for
handling other firmware types.
New device support
- liteon,ltrf216a
* New driver and dt bindings to support this Light sensor.
- maxim,max11205
* New driver for this 16bit single channel ADC.
- memsensing,msa311
* New driver for this accelerometer. Includes a string helper for read/write.
- richtek,rtq6056
* New driver and dt binding to support this current monitor used to measure
power usage.
- yamaha,yas530
* Support the YAS537 variant (series includes several fixes for other parts
and new driver features).
Staging graduation
- adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
the posted RFC of that framework.
Features
- core
* Large rework to make all the core IIO code use generic firmware properties.
Includes switching some drivers over as well using newly provided
generic interfaces and allowing removal of DT specific ones.
* Support for gesture event types for single and double tap. Used in
bosch,bma400.
- atmel,at91-sama5d2
* Add support for temperature sensor which uses two muxed inputs to estimate
the temperature.
* Handle trackx bits of EMR register to improve temp sampling accuracy.
* Runtime PM support.
- liteon,ltrf216a
* Add a _raw channel output to allow working around an issue with
differing conversions equations that breaks some user space controls.
- mexelis,mlx90632
* Support regulator control.
- ti,tsc2046
* External reference voltage support.
Clean up and minor fixes
- Tree-wide
* devm_clk_get_enabled() replacements of opencoded equivalent.
* Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
* Various minor warning and similar cleanup such as missing static
markings.
* strlcpy() to strscpy() for cases where return value not checked.
* provide units.h entries for more HZ units and use them in drivers.
- dt-bindings cleanup
* Drop maintainers listss where the email address is bouncing.
* Switch spi devices over to using spi-peripheral.yaml
* Add some missing unevaluatedProperties / additionalProperties: false
entries.
- ABI docs
* Add some missing channel type specific sampling frequency entries.
* Add parameter names for callback parameters.
- MAINTAINERS
* Fix wrong ADI forum links.
- core
* lockdep class per device, to avoid an issue with nest when one IIO
device is the consumer of another.
* White space tweaks.
- asc,dlhl60d
* Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
- atmel,at91-sama5d2
* Fix wrong max value.
* Improve error handling when measuring pressure and touch.
* Add locks to remove races on updating oversampling / sampling freq.
* Add missing calls in suspend and resume path to ensure state is correctly
brought up if buffered capture was in use when suspend happened.
* Error out of write_raw() callback if buffered capture enabled to avoid
unpredictable behavior.
* Handle different versions having different oversampling ratio support and
drop excess error checking.
* Cleanup magic value defines where the name is just the value and hence
hurts readability.
* Use read_avail() callback to provide info on possible oversampling ratios.
* Correctly handle variable bit depth when doing oversampling on different
supported parts. Also handle higher oversampling ratios.
- fsl,imx8qxp
* Don't ignore errors from regulator_get_voltage() so as to avoid some
very surprising scaling.
- invensense,icp10100
* Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
sense and is now deprecated. In this driver we just avoid double disabling
in some paths.
- maxim,max1363
* Drop consumer channel map provision by platform data. There have been
better ways of doing this for years and there are no in tree users.
- microchip,mcp3911
* Update status to maintained.
- qcom,spmi-adc5
* Support measurement of LDO output voltage.
- qcom,spmi-adc
* Add missing channel available on SM6125 SoC.
- st,stmpe
* Drop requirement on node name in binding now that driver correctly
doesn't enforce it.
- stx104
* Move to more appropriate addac directory
- ti,am335x
* Document ti,am654-adc compatible already in use in tree.
- ti,hmc5843
* Move dev_pm_ops out of header and use new pm macros to handle export.
- yamaha,yas530
* Minor cleanups.
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Merge tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanup for 6.1
This includes Nuno Sa's work to move the IIO core over to generic firmware
properties rather than having DT specific code paths. Combined with Andy
Shevchenko's long term work on drivers, this leaves IIO in a good state for
handling other firmware types.
New device support
- liteon,ltrf216a
* New driver and dt bindings to support this Light sensor.
- maxim,max11205
* New driver for this 16bit single channel ADC.
- memsensing,msa311
* New driver for this accelerometer. Includes a string helper for read/write.
- richtek,rtq6056
* New driver and dt binding to support this current monitor used to measure
power usage.
- yamaha,yas530
* Support the YAS537 variant (series includes several fixes for other parts
and new driver features).
Staging graduation
- adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
the posted RFC of that framework.
Features
- core
* Large rework to make all the core IIO code use generic firmware properties.
Includes switching some drivers over as well using newly provided
generic interfaces and allowing removal of DT specific ones.
* Support for gesture event types for single and double tap. Used in
bosch,bma400.
- atmel,at91-sama5d2
* Add support for temperature sensor which uses two muxed inputs to estimate
the temperature.
* Handle trackx bits of EMR register to improve temp sampling accuracy.
* Runtime PM support.
- liteon,ltrf216a
* Add a _raw channel output to allow working around an issue with
differing conversions equations that breaks some user space controls.
- mexelis,mlx90632
* Support regulator control.
- ti,tsc2046
* External reference voltage support.
Clean up and minor fixes
- Tree-wide
* devm_clk_get_enabled() replacements of opencoded equivalent.
* Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
* Various minor warning and similar cleanup such as missing static
markings.
* strlcpy() to strscpy() for cases where return value not checked.
* provide units.h entries for more HZ units and use them in drivers.
- dt-bindings cleanup
* Drop maintainers listss where the email address is bouncing.
* Switch spi devices over to using spi-peripheral.yaml
* Add some missing unevaluatedProperties / additionalProperties: false
entries.
- ABI docs
* Add some missing channel type specific sampling frequency entries.
* Add parameter names for callback parameters.
- MAINTAINERS
* Fix wrong ADI forum links.
- core
* lockdep class per device, to avoid an issue with nest when one IIO
device is the consumer of another.
* White space tweaks.
- asc,dlhl60d
* Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
- atmel,at91-sama5d2
* Fix wrong max value.
* Improve error handling when measuring pressure and touch.
* Add locks to remove races on updating oversampling / sampling freq.
* Add missing calls in suspend and resume path to ensure state is correctly
brought up if buffered capture was in use when suspend happened.
* Error out of write_raw() callback if buffered capture enabled to avoid
unpredictable behavior.
* Handle different versions having different oversampling ratio support and
drop excess error checking.
* Cleanup magic value defines where the name is just the value and hence
hurts readability.
* Use read_avail() callback to provide info on possible oversampling ratios.
* Correctly handle variable bit depth when doing oversampling on different
supported parts. Also handle higher oversampling ratios.
- fsl,imx8qxp
* Don't ignore errors from regulator_get_voltage() so as to avoid some
very surprising scaling.
- invensense,icp10100
* Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
sense and is now deprecated. In this driver we just avoid double disabling
in some paths.
- maxim,max1363
* Drop consumer channel map provision by platform data. There have been
better ways of doing this for years and there are no in tree users.
- microchip,mcp3911
* Update status to maintained.
- qcom,spmi-adc5
* Support measurement of LDO output voltage.
- qcom,spmi-adc
* Add missing channel available on SM6125 SoC.
- st,stmpe
* Drop requirement on node name in binding now that driver correctly
doesn't enforce it.
- stx104
* Move to more appropriate addac directory
- ti,am335x
* Document ti,am654-adc compatible already in use in tree.
- ti,hmc5843
* Move dev_pm_ops out of header and use new pm macros to handle export.
- yamaha,yas530
* Minor cleanups.
* tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (142 commits)
iio: pressure: icp10100: Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS().
iio: adc: max1363: Drop provision to provide an IIO channel map via platform data
iio: accel: bma400: Add support for single and double tap events
iio: Add new event type gesture and use direction for single and double tap
iio: Use per-device lockdep class for mlock
iio: adc: add max11205 adc driver
dt-bindings: iio: adc: Add max11205 documentation file
iio: magnetometer: yamaha-yas530: Use dev_err_probe()
iio: magnetometer: yamaha-yas530: Make strings const in chip info
iio: magnetometer: yamaha-yas530: Use pointers as driver data
iio: adc: tsc2046: silent spi_device_id warning
iio: adc: tsc2046: add vref support
dt-bindings: iio: adc: ti,tsc2046: add vref-supply property
iio: light: ltrf216a: Add raw attribute
dt-bindings: iio: Add missing (unevaluated|additional)Properties on child nodes
MAINTAINERS: fix Analog Devices forum links
iio/accel: fix repeated words in comments
dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver
iio: add MEMSensing MSA311 3-axis accelerometer driver
dt-bindings: vendor-prefixes: add MEMSensing Microsystems Co., Ltd.
...
--------
- Print the modem name while probing the MHI host pci-generic driver. This has
been exposed as a debug information so far but on a low storate embedded
devices such as OpenWRT based products, this helps in identifying the
attached modem without enabling the debug logs.
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Merge tag 'mhi-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next
Manivannan writes:
"MHI Host
--------
- Print the modem name while probing the MHI host pci-generic driver. This has
been exposed as a debug information so far but on a low storate embedded
devices such as OpenWRT based products, this helps in identifying the
attached modem without enabling the debug logs."
* tag 'mhi-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
bus: mhi: host: always print detected modem name
DFL
- Matthew's change adds new device IDs supported by DFL.
- Dan's change uses array_size() for memory allocation to prevent
potential overflow
Microchip
- Conor's change adds MODULE_AUTHOR entry for microchip-spi driver
- Krzysztof's change refines dt-bindings
Intel m10 bmc secure update
- Russ's change adds new device ID supported by the driver
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>
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Merge tag 'fpga-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next
Xu writes:
FPGA Manager changes for 6.1-rc1
DFL
- Matthew's change adds new device IDs supported by DFL.
- Dan's change uses array_size() for memory allocation to prevent
potential overflow
Microchip
- Conor's change adds MODULE_AUTHOR entry for microchip-spi driver
- Krzysztof's change refines dt-bindings
Intel m10 bmc secure update
- Russ's change adds new device ID supported by the driver
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-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga:
fpga: m10bmc-sec: d5005 bmc secure update driver
fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()
dt-bindings: fpga: microchip,mpf-spi-fpga-mgr: use spi-peripheral-props.yaml
fpga: microchip-spi: add missing module author entry
fpga: dfl-pci: Add IDs for Intel N6000, N6001 and C6100 cards
This harmless print provides a very easy way of knowing
if the modem is detected properly during probing.
Promote it to an informational print so no hassle is required
enabling kernel debugging info to obtain it.
The rationale here is that:
On a lot of low-storage embedded devices, extensive kernel
debugging info is not always present as this would
increase it's size to much causing partition size issues.
Signed-off-by: Koen Vandeputte <koen.vandeputte@citymesh.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Link: https://lore.kernel.org/r/20220831100349.1488762-1-koen.vandeputte@citymesh.com
[mani: added missing review tags]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
drivers/hwtracing/ptt/hisi_ptt.c:13:10: fatal error: linux/dma-iommu.h: No such file or directory
13 | #include <linux/dma-iommu.h>
| ^~~~~~~~~~~~~~~~~~~
Caused by:
commit ff0de066b4 ("hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device")
interacting with:
commit f2042ed21d ("iommu/dma: Make header private")
from the iommu tree.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Yicong Yang <yangyicong@hisilicon.com>
[Fixed subject line and added changelog text]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Add a driver name for the D5005 BMC secure update driver. Different
driver names are used for the N3000 and D5005 devices because future
changes will add conditional code based on the device type (N3000
vs D5005). This change enables D5005 secure updates of BCM images,
BMC firmware, static-region images, etc.
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20220902165706.518074-3-russell.h.weight@intel.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Follow the advice of the Documentation/filesystems/sysfs.rst
and show() should only use sysfs_emit() or sysfs_emit_at()
when formatting the value to be returned to user space.
Signed-off-by: Xuezhi Zhang <zhangxuezhi1@coolpad.com>
Link: https://lore.kernel.org/r/20220901013423.418464-1-zhangxuezhi3@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Each transfer test functions have same parameter checking code. This patch
unites those to an introduced function.
Signed-off-by: Shunsuke Mie <mie@igel.co.jp>
Cc: stable <stable@kernel.org>
Link: https://lore.kernel.org/r/20220907020100.122588-1-mie@igel.co.jp
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kmap() is being deprecated in favor of kmap_local_page().
There are two main problems with kmap(): (1) It comes with an overhead as
the mapping space is restricted and protected by a global lock for
synchronization and (2) it also requires global TLB invalidation when the
kmap’s pool wraps and it might block when the mapping space is fully
utilized until a slot becomes available.
With kmap_local_page() the mappings are per thread, CPU local, can take
page faults, and can be called from any context (including interrupts).
It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore,
the tasks can be preempted and, when they are scheduled to run again, the
kernel virtual addresses are restored and still valid.
Since its use in xilinx_sdfec.c is safe, replace kmap()i / kunmap() with
kmap_local_page() / kunmap_local().
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901154408.23984-3-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pages in an array are mapped in a loop but, after the code is done with
the virtual addresses, these pages are never unmapped.
Therefore, call kunmap() to unmap pages[i].
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901154408.23984-2-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
kmap() is being deprecated in favor of kmap_local_page().
There are two main problems with kmap(): (1) It comes with an overhead as
the mapping space is restricted and protected by a global lock for
synchronization and (2) it also requires global TLB invalidation when the
kmap’s pool wraps and it might block when the mapping space is fully
utilized until a slot becomes available.
With kmap_local_page() the mappings are per thread, CPU local, can take
page faults, and can be called from any context (including interrupts).
It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore,
the tasks can be preempted and, when they are scheduled to run again, the
kernel virtual addresses are restored and still valid.
Since its use in vmci_queue_pair.c is safe everywhere, replace kmap() with
kmap_local_page().
Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com>
Suggested-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20220901135714.16481-1-fmdefrancesco@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When drivers are working properly, they are quiet.
Therefore, the vbg_info() should be removed.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220901144619.3550352-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver core supports the ability to handle the creation and removal
of device-specific sysfs files in a race-free manner. Moreover, it can
guarantee the success of creation. Therefore, it should be better to
convert to use dev_groups.
Fixes: 0ba002bc43 ("virt: Add vboxguest driver for Virtual Box Guest integration")
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20220901144610.3550300-1-jiasheng@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the module_auxiliary_driver() macro to make the code simpler
by eliminating module_init and module_exit calls.
Fixes: 7d3e4d807d ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-5-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.
Fixes: 7d3e4d807d ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-4-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sparse tool complains as follows:
drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c:409:34: warning:
symbol 'pci1xxxx_gpio_auxiliary_id_table' was not declared. Should it be static?
This symbol is not used outside of mchp_pci1xxxx_gpio.c, so marks it static.
Fixes: 7d3e4d807d ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-3-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
Fixes: 7d3e4d807d ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-2-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In some error handling path, resoures alloced may not released.
This patch fix them.
Fixes: 393fc2f594 ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.")
Reviewed-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20220907145808.1789249-1-weiyongjun@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add maintainer for driver and documentation of HiSilicon PTT device.
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220816114414.4092-6-yangyicong@huawei.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Document the introduction and usage of HiSilicon PTT device driver as well
as the sysfs attributes description provided by the driver.
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
[Fixed month and kernel version]
Link: https://lore.kernel.org/r/20220816114414.4092-5-yangyicong@huawei.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Add tune function for the HiSilicon Tune and Trace device. The interface
of tune is exposed through sysfs attributes of PTT PMU device.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20220816114414.4092-4-yangyicong@huawei.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
HiSilicon PCIe tune and trace device(PTT) is a PCIe Root Complex integrated
Endpoint(RCiEP) device, providing the capability to dynamically monitor and
tune the PCIe traffic and trace the TLP headers.
Add the driver for the device to enable the trace function. Register PMU
device of PTT trace, then users can use trace through perf command. The
driver makes use of perf AUX trace function and support the following
events to configure the trace:
- filter: select Root port or Endpoint to trace
- type: select the type of traced TLP headers
- direction: select the direction of traced TLP headers
- format: select the data format of the traced TLP headers
This patch initially add basic trace support of PTT device.
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20220816114414.4092-3-yangyicong@huawei.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
The DMA operations of HiSilicon PTT device can only work properly with
identical mappings. So add a quirk for the device to force the domain
as passthrough.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Link: https://lore.kernel.org/r/20220816114414.4092-2-yangyicong@huawei.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Add a new entry for VMWARE VSOCK VMCI TRANSPORT DRIVER in the
MAINTAINERS file.
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-4-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change the status from 'Maintained' to 'Supported' for VMWARE
BALLOON DRIVER, VMWARE PVRDMA DRIVER, VMWARE PVSCSI driver,
VMWARE VMCI DRIVER, VMWARE VMMOUSE SUBDRIVER and VMWARE VMXNET3
ETHERNET DRIVER.
This needs to be done to conform to the guidelines in [1].
Maintainers for these drivers are VMware employees.
[1] https://docs.kernel.org/process/maintainers.html
Acked-by: Nadav Amit <namit@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-3-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Change 'VMware PVSCSI driver' entry to upper case.
This is a trivial change being done for uniformity.
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Link: https://lore.kernel.org/r/20220906172722.19862-2-vdasa@vmware.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When building without CONFIG_CORESIGHT_CTI_INTEGRATION_REGS, there is a
warning about coresight_cti_reg_store() being unused in the file:
drivers/hwtracing/coresight/coresight-cti-sysfs.c:184:16: warning: 'coresight_cti_reg_store' defined but not used [-Wunused-function]
184 | static ssize_t coresight_cti_reg_store(struct device *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~
This is expected as coresight_cti_reg_store() is only used in the
coresight_cti_reg_rw macro, which is only used in a block guarded by
CONFIG_CORESIGHT_CTI_INTEGRATION_REGS. Mark coresight_cti_reg_store() as
__maybe_unused to clearly indicate that the function may be unused
depending on the configuration.
Fixes: fbca79e554 ("coresight: cti-sysfs: Re-use same functions for similar sysfs register accessors")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20220901195055.1932340-1-nathan@kernel.org
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Update the kernel-doc section of struct binder_alloc to fix the
following warnings reported by ./scripts/kernel-doc:
warning: Function parameter or member 'mutex' not described in 'binder_alloc'
warning: Function parameter or member 'vma_addr' not described in 'binder_alloc'
No functional changes in this patch.
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-4-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The mmap_locked asserts here are not needed since this is only called
back from the mmap stack in ->mmap() and ->close() which always acquire
the lock first. Remove these asserts along with binder_alloc_set_vma()
altogether since it's trivial enough to be consumed by callers.
Cc: Liam R. Howlett <Liam.Howlett@oracle.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-3-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename ->vma_vm_mm to ->mm to reflect the fact that we no longer cache
this reference from vma->vm_mm but from current->mm instead.
No functional changes in this patch.
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20220906135948.3048225-2-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
build errors and warnings listed below and reported by kernel
test robot <lkp@intel.com> on the char-misc-next branch are
fixed in this add-on patch.
errors:
ERROR: modpost: "auxiliary_device_init" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
ERROR: modpost: "__auxiliary_device_add" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.ko] undefined!
ERROR: modpost: "auxiliary_driver_unregister" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
ERROR: modpost: "__auxiliary_driver_register" [drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.ko] undefined!
ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.o: in function `gp_aux_bus_probe.part.0':
mchp_pci1xxxx_gp.c:(.text+0x342): undefined reference to `auxiliary_device_init'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x392): undefined reference to `__auxiliary_device_add'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x5c2): undefined reference to `auxiliary_device_init'
ia64-linux-ld: mchp_pci1xxxx_gp.c:(.text+0x612): undefined reference to `__auxiliary_device_add'
ia64-linux-ld: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.o: in function `pci1xxxx_gpio_driver_init':
mchp_pci1xxxx_gpio.c:(.init.text+0x42): undefined reference to `__auxiliary_driver_register'
warnings:
unmet direct dependencies detected for GPIOLIB_IRQCHIP when selected by GP_PCI1XXXX
Fixes: 393fc2f594 ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com>
Link: https://lore.kernel.org/r/20220906124951.696776-1-kumaravel.thiagarajan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The suspend and resume callbacks in this driver appear to be safe
to call repeatedly, but why do so when we can use the
DEFINE_RUNTIME_DEV_PM_OPS() macro to supply callbacks that check if
we are already runtime suspended before doing unnecessary work.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20220807190414.1039028-2-jic23@kernel.org
Back in the days of board files, platform data was used to provide
information on the mapping from ADC channel to an analog signal
from another device. We've long since moved to doing this via
device tree. Hence drop the support from the max1363 driver which is
the only driver still providing this.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220821161058.2207185-1-jic23@kernel.org
Add support for single and double tap events based on the tap threshold
value, minimum quiet time before and after the tap and minimum time
between the taps in the double tap. The INT1 pin is used to interrupt
and the event is pushed to userspace.
Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Link: https://lore.kernel.org/r/20220831063117.4141-3-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add new event type for tap called gesture and the direction can be used
to differentiate single and double tap. This may be used by accelerometer
sensors to express single and double tap events. For directional tap,
modifiers like IIO_MOD_(X/Y/Z) can be used along with singletap and
doubletap direction.
Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com>
Link: https://lore.kernel.org/r/20220831063117.4141-2-jagathjog1996@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
If an IIO driver uses callbacks from another IIO driver and calls
iio_channel_start_all_cb() from one of its buffer setup ops, then
lockdep complains due to the lock nesting, as in the below example with
lmp91000.
Since the locks are being taken on different IIO devices, there is no
actual deadlock. Fix the warning by telling lockdep to use a different
class for each iio_device.
============================================
WARNING: possible recursive locking detected
--------------------------------------------
python3/23 is trying to acquire lock:
(&indio_dev->mlock){+.+.}-{3:3}, at: iio_update_buffers
but task is already holding lock:
(&indio_dev->mlock){+.+.}-{3:3}, at: enable_store
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&indio_dev->mlock);
lock(&indio_dev->mlock);
*** DEADLOCK ***
May be due to missing lock nesting notation
5 locks held by python3/23:
#0: (sb_writers#5){.+.+}-{0:0}, at: ksys_write
#1: (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter
#2: (kn->active#14){.+.+}-{0:0}, at: kernfs_fop_write_iter
#3: (&indio_dev->mlock){+.+.}-{3:3}, at: enable_store
#4: (&iio_dev_opaque->info_exist_lock){+.+.}-{3:3}, at: iio_update_buffers
Call Trace:
__mutex_lock
iio_update_buffers
iio_channel_start_all_cb
lmp91000_buffer_postenable
__iio_update_buffers
enable_store
Fixes: 67e17300dc ("iio: potentiostat: add LMP91000 support")
Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220829091840.2791846-1-vincent.whitchurch@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adding support for max11205 16-bit single-channel ultra-low power
delta-sigma adc.
The MAX11205 is compatible with the 2-wire interface and uses
SCLK and RDY/DOUT for serial communications. In this mode, all
controls are implemented by timing the high or low phase of the SCLK.
The 2-wire serial interface only allows for data to be read out through
the RDY/DOUT output.
Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX11205.pdf
Signed-off-by: Ramona Bolboaca <ramona.bolboaca@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20220831133021.215625-2-ramona.bolboaca@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
- Fix handling of PCI domains in /proc on 32-bit systems using the recently added support
for numbering buses from zero for each domain.
- A fix and a revert for some changes to use READ/WRITE_ONCE() which caused problems with
KASAN enabled due to sanitisation calls being introduced in low-level paths that can't
cope with it.
- Fix build errors on 32-bit caused by the syscall table being misaligned sometimes.
- Two fixes to get IBM Cell native machines booting again, which had bit-rotted while my
QS22 was temporarily out of action.
- Fix the papr_scm driver to not assume the order of events returned by the hypervisor is
stable, and a related compile fix.
Thanks to: Aneesh Kumar K.V, Christophe Leroy, Jordan Niethe, Kajol Jain, Masahiro Yamada,
Nathan Chancellor, Pali Rohár, Vaibhav Jain, Zhouyi Zhou.
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Merge tag 'powerpc-6.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix handling of PCI domains in /proc on 32-bit systems using the
recently added support for numbering buses from zero for each domain.
- A fix and a revert for some changes to use READ/WRITE_ONCE() which
caused problems with KASAN enabled due to sanitisation calls being
introduced in low-level paths that can't cope with it.
- Fix build errors on 32-bit caused by the syscall table being
misaligned sometimes.
- Two fixes to get IBM Cell native machines booting again, which had
bit-rotted while my QS22 was temporarily out of action.
- Fix the papr_scm driver to not assume the order of events returned by
the hypervisor is stable, and a related compile fix.
Thanks to Aneesh Kumar K.V, Christophe Leroy, Jordan Niethe, Kajol Jain,
Masahiro Yamada, Nathan Chancellor, Pali Rohár, Vaibhav Jain, and Zhouyi
Zhou.
* tag 'powerpc-6.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register()
Revert "powerpc/irq: Don't open code irq_soft_mask helpers"
powerpc: Fix hard_irq_disable() with sanitizer
powerpc/rtas: Fix RTAS MSR[HV] handling for Cell
Revert "powerpc: Remove unused FW_FEATURE_NATIVE references"
powerpc: align syscall table for ppc32
powerpc/pci: Enable PCI domains in /proc when PCI bus numbers are not unique
powerpc/papr_scm: Fix nvdimm event mappings
