linux-toradex.git/drivers/iio/pressure, branch v5.19-rc1

iio: st_sensors: Stop abusing mlock to ensure internal coherency

2022-04-10T15:21:45+00:00

An odr_lock has been introduced to protect local accesses to the odr
internal cache and ensure the cached value always reflected the actual
value. Using the mlock() for this purpose is no longer needed, so let's
drop these extra mutex_lock/unlock() calls.

Suggested-by: Jonathan Cameron 
Cc: Denis Ciocca 
Signed-off-by: Miquel Raynal 
Link: https://lore.kernel.org/r/20220207143840.707510-8-miquel.raynal@bootlin.com
Signed-off-by: Jonathan Cameron

Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

2022-03-28T19:27:35+00:00

Pull char/misc and other driver updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  updates for 5.18-rc1.

  Included in here are merges from driver subsystems which contain:

   - iio driver updates and new drivers

   - fsi driver updates

   - fpga driver updates

   - habanalabs driver updates and support for new hardware

   - soundwire driver updates and new drivers

   - phy driver updates and new drivers

   - coresight driver updates

   - icc driver updates

  Individual changes include:

   - mei driver updates

   - interconnect driver updates

   - new PECI driver subsystem added

   - vmci driver updates

   - lots of tiny misc/char driver updates

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

* tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (556 commits)
  firmware: google: Properly state IOMEM dependency
  kgdbts: fix return value of __setup handler
  firmware: sysfb: fix platform-device leak in error path
  firmware: stratix10-svc: add missing callback parameter on RSU
  arm64: dts: qcom: add non-secure domain property to fastrpc nodes
  misc: fastrpc: Add dma handle implementation
  misc: fastrpc: Add fdlist implementation
  misc: fastrpc: Add helper function to get list and page
  misc: fastrpc: Add support to secure memory map
  dt-bindings: misc: add fastrpc domain vmid property
  misc: fastrpc: check before loading process to the DSP
  misc: fastrpc: add secure domain support
  dt-bindings: misc: add property to support non-secure DSP
  misc: fastrpc: Add support to get DSP capabilities
  misc: fastrpc: add support for FASTRPC_IOCTL_MEM_MAP/UNMAP
  misc: fastrpc: separate fastrpc device from channel context
  dt-bindings: nvmem: brcm,nvram: add basic NVMEM cells
  dt-bindings: nvmem: make "reg" property optional
  nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
  nvmem: dt-bindings: Fix the error of dt-bindings check
  ...

iio:pressure:mpl3115: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() etc

2022-02-18T11:45:30+00:00

Letting the compiler remove these functions when the kernel is built
without CONFIG_PM_SLEEP support is simpler and less error prone than the
use of #ifdef based config guards.

Removing instances of this approach from IIO also stops them being
copied into new drivers.

Signed-off-by: Jonathan Cameron 
Reviewed-by: Paul Cercueil 
Link: https://lore.kernel.org/r/20220130193147.279148-33-jic23@kernel.org

iio:pressure:mpl115: Move exports into IIO_MPL115 namespace

2022-02-18T11:42:27+00:00

In order to avoid unnecessary pollution of the global symbol namespace
move the common/library functions into a specific namespace and import
that into the bus specific device drivers that use them.

For more information see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron 
Reviewed-by: Andy Shevchenko 
Link: https://lore.kernel.org/r/20220130205701.334592-12-jic23@kernel.org

iio:pressure:ms5611: Move exports into IIO_MS5611 namespace

2022-02-18T11:42:26+00:00

In order to avoid unnecessary pollution of the global symbol namespace
move the common/library functions into a specific namespace and import
that into the bus specific device drivers that use them.

For more information see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron 
Cc: Tomasz Duszynski 
Reviewed-by: Andy Shevchenko 
Link: https://lore.kernel.org/r/20220130205701.334592-11-jic23@kernel.org

iio:pressure:zpa2326: Move exports into IIO_ZPA2326 namespace

2022-02-18T11:42:26+00:00

In order to avoid unnecessary pollution of the global symbol namespace
move the common/library functions into a specific namespace and import
that into the bus specific device drivers that use them.

For more information see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron 
Reviewed-by: Andy Shevchenko 
Link: https://lore.kernel.org/r/20220130205701.334592-10-jic23@kernel.org

iio:common:meas-spec: Move exports into IIO_MEAS_SPEC_SENSORS

2022-02-18T11:42:26+00:00

The obvious choice of ms_sensors felt rather too likely to clash with other
namespaces introduced in future, hence the longer abbreviation.

In order to avoid unnecessary pollution of the global symbol namespace
move the common/library functions into a specific namespace and import
that into the various specific device drivers that use them.

For more information see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron 
Cc: Alexandre Belloni 
Cc: William Markezana 
Cc: Ludovic Tancerel 
Reviewed-by: Andy Shevchenko 
Link: https://lore.kernel.org/r/20220130205701.334592-5-jic23@kernel.org

iio:st-sensors: Move exports into IIO_ST_SENSORS namespace

2022-02-18T11:36:54+00:00

To avoid unnecessary pollution of the global symbol namespace move the
driver core and type specific core exports into their a new namespace
and import that where needed.

For more info see https://lwn.net/Articles/760045/

Signed-off-by: Jonathan Cameron 
Cc: Andy Shevchenko 
Cc: Linus Walleij 
Cc: Denis Ciocca 
Link: https://lore.kernel.org/r/20220116180535.2367780-14-jic23@kernel.org

iio:st-sensors: Remove duplicate MODULE_*

2022-02-18T11:36:54+00:00

The core module and type specific core modules are made up of
several files. There is no benefit in duplicating the MODULE_* macros
in each file so remove them.

Noticed whilst adding MODULE_IMPORT_NS() as I missed some files and
it still worked, making it clear not all of these blocks were needed.

Signed-off-by: Jonathan Cameron 
Cc: Andy Shevchenko 
Cc: Linus Walleij 
Cc: Denis Ciocca 
Reviewed-by: Linus Walleij 
Link: https://lore.kernel.org/r/20220116180535.2367780-13-jic23@kernel.org

spi: make remove callback a void function

2022-02-09T13:00:45+00:00

The value returned by an spi driver's remove function is mostly ignored.
(Only an error message is printed if the value is non-zero that the
error is ignored.)

So change the prototype of the remove function to return no value. This
way driver authors are not tempted to assume that passing an error to
the upper layer is a good idea. All drivers are adapted accordingly.
There is no intended change of behaviour, all callbacks were prepared to
return 0 before.

Signed-off-by: Uwe Kleine-König 
Acked-by: Marc Kleine-Budde 
Acked-by: Andy Shevchenko 
Reviewed-by: Geert Uytterhoeven 
Acked-by: Jérôme Pouiller 
Acked-by: Miquel Raynal 
Acked-by: Jonathan Cameron 
Acked-by: Claudius Heine 
Acked-by: Stefan Schmidt 
Acked-by: Alexandre Belloni 
Acked-by: Ulf Hansson  # For MMC
Acked-by: Marcus Folkesson 
Acked-by: Łukasz Stelmach 
Acked-by: Lee Jones 
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown