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8 Commits

Author SHA1 Message Date
Christophe JAILLET
e1c313e047 iio: tmag5273: Remove some unused field in struct tmag5273_data 
In "struct tmag5273_data", the 'scale' and 'vcc' fields are unused.
Remove them.

Found with cppcheck, unusedStructMember.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Gerald Loacker <gerald.loacker@wolfvision.net>
Link: https://lore.kernel.org/r/7bd16d7fea12c64b6b3dc3cd32839cfce145bcf3.1714562912.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2024-05-27 09:48:56 +01:00
Linus Torvalds
296455ade1 Char/Misc and other Driver changes for 6.8-rc1 
Here is the big set of char/misc and other driver subsystem changes for
 6.8-rc1.  Lots of stuff in here, but first off, you will get a merge
 conflict in drivers/android/binder_alloc.c when merging this tree due to
 changing coming in through the -mm tree.
 
 The resolution of the merge issue can be found here:
 	https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
 or in a simpler patch form in that thread:
 	https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
 
 If there are issues with the merge of this file, please let me know.
 
 Other than lots of binder driver changes (as you can see by the merge
 conflicts) included in here are:
  - lots of iio driver updates and additions
  - spmi driver updates
  - eeprom driver updates
  - firmware driver updates
  - ocxl driver updates
  - mhi driver updates
  - w1 driver updates
  - nvmem driver updates
  - coresight driver updates
  - platform driver remove callback api changes
  - tags.sh script updates
  - bus_type constant marking cleanups
  - lots of other small driver updates
 
 All of these have been in linux-next for a while with no reported issues
 (other than the binder merge conflict.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem changes
  for 6.8-rc1.

  Other than lots of binder driver changes (as you can see by the merge
  conflicts) included in here are:

   - lots of iio driver updates and additions

   - spmi driver updates

   - eeprom driver updates

   - firmware driver updates

   - ocxl driver updates

   - mhi driver updates

   - w1 driver updates

   - nvmem driver updates

   - coresight driver updates

   - platform driver remove callback api changes

   - tags.sh script updates

   - bus_type constant marking cleanups

   - lots of other small driver updates

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
  android: removed duplicate linux/errno
  uio: Fix use-after-free in uio_open
  drivers: soc: xilinx: add check for platform
  firmware: xilinx: Export function to use in other module
  scripts/tags.sh: remove find_sources
  scripts/tags.sh: use -n to test archinclude
  scripts/tags.sh: add local annotation
  scripts/tags.sh: use more portable -path instead of -wholename
  scripts/tags.sh: Update comment (addition of gtags)
  firmware: zynqmp: Convert to platform remove callback returning void
  firmware: turris-mox-rwtm: Convert to platform remove callback returning void
  firmware: stratix10-svc: Convert to platform remove callback returning void
  firmware: stratix10-rsu: Convert to platform remove callback returning void
  firmware: raspberrypi: Convert to platform remove callback returning void
  firmware: qemu_fw_cfg: Convert to platform remove callback returning void
  firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
  firmware: imx-dsp: Convert to platform remove callback returning void
  firmware: coreboot_table: Convert to platform remove callback returning void
  firmware: arm_scpi: Convert to platform remove callback returning void
  firmware: arm_scmi: Convert to platform remove callback returning void
  ...
 2024-01-17 16:47:17 -08:00
Javier Carrasco
3b8157ec45 iio: tmag5273: fix temperature offset 
The current offset has the scale already applied to it. The ABI
documentation defines the offset parameter as "offset to be added
to <type>[Y]_raw prior to scaling by <type>[Y]_scale in order to
obtain value in the <type> units as specified in <type>[Y]_raw
documentation"

The right value is obtained at 0 degrees Celsius by the formula provided
in the datasheet:

T = Tsens_t0 + (Tadc_t - Tadc_t0) / Tadc_res

where:
T = 0 degrees Celsius
Tsens_t0 (reference temperature) = 25 degrees Celsius
Tadc_t0 (16-bit format for Tsens_t0) = 17508
Tadc_res = 60.1 LSB/degree Celsius

The resulting offset is 16005.5, which has been truncated to 16005 to
provide an integer value with a precision loss smaller than the 1-LSB
measurement precision.

Fix the offset to apply its value prior to scaling.

Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
Link: https://lore.kernel.org/r/9879beec-05fc-4fc6-af62-d771e238954e@wolfvision.net
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-11-25 15:13:18 +00:00
Andy Shevchenko
2a5239b6ab iio: magnetometer: tmag5273: Switch to device_property_match_property_string() 
Replace open coded device_property_match_property_string().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230808162800.61651-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-11-16 19:10:26 +00:00
Greg Kroah-Hartman
269b9d8faf 1st set of IIO new device support, features and cleanup for the 6.5 cycle. 
New device support
 - honeywell,mprls0025pa
   * New driver and dt-bindings for this series of pressure sensors.
 - invensense,mpu6050
   * Add support for ICM 20600 IMU (ID, bindings and device data).
 - melexis,mlx90614
   * Add support for mlx90615 Infra Red Thermometer after driver cleanup
     and refactoring to support the differences in this device.
 - renesas,x9250
   * New driver and bindings for this quad potentiometer.
 - rockchip,saradc
   * Add support for RK3588. Also included is a bunch of refactoring and
     cleanup for that driver.
 - rohm,bu27008
   * New driver bindings etc for this 5 photodiode color sensor.
 - st,lsm9ds0/st,st-sensors
   * ID added for LSM303D accelerometer and magnetometer including ACPI binding.
 - ti,opt4001
   * New driver and bindings for this ambient light sensor.
 
 Features
 - core
   * Introduce iio_validate_own_trigger() for cases where a driver can only
     consumer a trigger it registered (detected via same parent device).
     Use it in the kionix,kx022a driver and new rohm,by27008 driver.
 - dynaimage,al3320a
   * ACPI binding CALS0001 seen on Lenovo Yoga Table 2 devices.
 - kionix,kx002a
   * Enable asynchronous probe.
 - rohm,bu27034
   * Enable asynchronous probe.
 - ti,tmp006
   * Explicit support for DT including binding documentation.
 
 Cleanups, minor fixes and misc improvements.
 - treewide
   * Switch I2C drivers from probe_new() back to probe() - part of the
     long process of getting rid of a parameter from probe()
   * Various whitespace and typo fixes not otherwise called out.
 - core
   * industrialio-buffer,Style cleanup.
   * Add documentation to extend_name field of struct iio_chan_spec to
     direct people using it towards the label infrastructure instead.
     extend_name was a design mistake a long time back so directly people
     away from it may be useful.
 - adi,ad7606
   * Add HAS_IOPORT dependency to prepare for some Kconfig changes.
 - bosch,bma400
   * Drop pointless print of ret in a dev_err_probe() message.
 - invensense,icm42600
   * Rework timestamp handling to reduce jitter.
 - mediatek,mt7986-auxdac
   * Add DT binding for this part.
 - qcom,spmi-vadc
   * Allow for 1/16th prescaling used on a few devices.
   * Various changes to channel labeling and naming, including dropping
     use of fwnode_name which generates odd channel names. Small ABI
     change as a result, but not thought to be a problem for users of this
     platform.
 - st,lsm6dsx
   * dt-binding: Use common schema for mount-matrix via a reference.
 - st,stm32
   * Add a debug print for when legacy channel config is used.
 - ti,palmas-adc
   * Drop unused i2c.h include.
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Merge tag 'iio-for-6.5a' 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 the 6.5 cycle.

New device support
- honeywell,mprls0025pa
  * New driver and dt-bindings for this series of pressure sensors.
- invensense,mpu6050
  * Add support for ICM 20600 IMU (ID, bindings and device data).
- melexis,mlx90614
  * Add support for mlx90615 Infra Red Thermometer after driver cleanup
    and refactoring to support the differences in this device.
- renesas,x9250
  * New driver and bindings for this quad potentiometer.
- rockchip,saradc
  * Add support for RK3588. Also included is a bunch of refactoring and
    cleanup for that driver.
- rohm,bu27008
  * New driver bindings etc for this 5 photodiode color sensor.
- st,lsm9ds0/st,st-sensors
  * ID added for LSM303D accelerometer and magnetometer including ACPI binding.
- ti,opt4001
  * New driver and bindings for this ambient light sensor.

Features
- core
  * Introduce iio_validate_own_trigger() for cases where a driver can only
    consumer a trigger it registered (detected via same parent device).
    Use it in the kionix,kx022a driver and new rohm,by27008 driver.
- dynaimage,al3320a
  * ACPI binding CALS0001 seen on Lenovo Yoga Table 2 devices.
- kionix,kx002a
  * Enable asynchronous probe.
- rohm,bu27034
  * Enable asynchronous probe.
- ti,tmp006
  * Explicit support for DT including binding documentation.

Cleanups, minor fixes and misc improvements.
- treewide
  * Switch I2C drivers from probe_new() back to probe() - part of the
    long process of getting rid of a parameter from probe()
  * Various whitespace and typo fixes not otherwise called out.
- core
  * industrialio-buffer,Style cleanup.
  * Add documentation to extend_name field of struct iio_chan_spec to
    direct people using it towards the label infrastructure instead.
    extend_name was a design mistake a long time back so directly people
    away from it may be useful.
- adi,ad7606
  * Add HAS_IOPORT dependency to prepare for some Kconfig changes.
- bosch,bma400
  * Drop pointless print of ret in a dev_err_probe() message.
- invensense,icm42600
  * Rework timestamp handling to reduce jitter.
- mediatek,mt7986-auxdac
  * Add DT binding for this part.
- qcom,spmi-vadc
  * Allow for 1/16th prescaling used on a few devices.
  * Various changes to channel labeling and naming, including dropping
    use of fwnode_name which generates odd channel names. Small ABI
    change as a result, but not thought to be a problem for users of this
    platform.
- st,lsm6dsx
  * dt-binding: Use common schema for mount-matrix via a reference.
- st,stm32
  * Add a debug print for when legacy channel config is used.
- ti,palmas-adc
  * Drop unused i2c.h include.

* tag 'iio-for-6.5a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (59 commits)
  dt-bindings: iio: rockchip: Fix 'oneOf' condition failed warning
  dt-bindings: iio: afe: voltage-divider: Spelling s/curcuit/circuit/
  dt-bindings: iio: adc: Add rockchip,rk3588-saradc string
  iio: adc: rockchip_saradc: Use dev_err_probe
  iio: adc: rockchip_saradc: Match alignment with open parenthesis
  iio: adc: rockchip_saradc: Use of_device_get_match_data
  iio: adc: rockchip_saradc: Make use of devm_clk_get_enabled
  iio: adc: rockchip_saradc: Add support for RK3588
  iio: adc: rockchip_saradc: Add callback functions
  iio: temperature: tmp006: Add OF device matching support
  dt-bindings: iio: temperature: Add support for tmp006
  staging: iio: Switch i2c drivers back to use .probe()
  iio: amplifiers: ad8366 Fix whitespace issue
  iio: imu: inv_icm42600: avoid frequent timestamp jitter
  MAINTAINERS: Add ROHM BU27008
  iio: light: ROHM BU27008 color sensor
  iio: kx022a: Use new iio_validate_own_trigger()
  iio: trigger: Add simple trigger_validation helper
  dt-bindings: iio: light: ROHM BU27008
  iio: mlx90614: Add MLX90615 support
  ...
 2023-06-15 13:01:55 +02:00
Uwe Kleine-König
7cf15f4275 iio: Switch i2c drivers back to use .probe() 
After commit b8a1a4cd5a ("i2c: Provide a temporary .probe_new()
call-back type"), all drivers being converted to .probe_new() and then
03c835f498 ("i2c: Switch .probe() to not take an id parameter") convert
back to (the new) .probe() to be able to eventually drop .probe_new() from
struct i2c_driver.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230515205048.19561-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-05-21 18:54:53 +01:00
Lars-Peter Clausen
265c82ea8b iio: tmag5273: Fix runtime PM leak on measurement error 
The tmag5273 gets a runtime PM reference before reading a measurement and
releases it when done. But if the measurement fails the tmag5273_read_raw()
function exits before releasing the reference.

Make sure that this error path also releases the runtime PM reference.

Fixes: 866a138917 ("iio: magnetometer: add ti tmag5273 driver")
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Gerald Loacker <gerald.loacker@wolfvision.net>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20230414013752.498767-1-lars@metafoo.de
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-05-13 17:54:56 +01:00
Gerald Loacker
866a138917 iio: magnetometer: add ti tmag5273 driver 
Add support for TI TMAG5273 Low-Power Linear 3D Hall-Effect Sensor.
Additionally to temperature and magnetic X, Y and Z-axes the angle and
magnitude are reported.
The sensor is operating in continuous measurement mode and changes to sleep
mode if not used for 5 seconds.

Datasheet: https://www.ti.com/lit/gpn/tmag5273
Signed-off-by: Gerald Loacker <gerald.loacker@wolfvision.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221201072220.402585-4-gerald.loacker@wolfvision.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2022-12-28 17:19:44 +00:00