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7 Commits

Author SHA1 Message Date
Jonathan Cameron
8029453717 hwmon: (max31722) Switch to DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() 
These newer PM macros allow the compiler to see what code it can remove
if !CONFIG_PM_SLEEP. This allows the removal of __maybe_unused markings
whilst achieving the same result.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20220925172759.3573439-10-jic23@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-09-25 14:22:12 -07:00
Uwe Kleine-König
a0386bba70 spi: make remove callback a void function 
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 <u.kleine-koenig@pengutronix.de>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Claudius Heine <ch@denx.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Acked-by: Łukasz Stelmach <l.stelmach@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20220123175201.34839-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
 2022-02-09 13:00:45 +00:00
Uwe Kleine-König
efb389b8c3 hwmon: (max31722) Warn about failure to put device in stand-by in .remove() 
When an spi driver's remove function returns a non-zero error code
nothing happens apart from emitting a generic error message. Make this
error message more device specific and return zero instead.

Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211012153945.2651412-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2021-10-16 22:42:14 -07:00
Guenter Roeck
97387c2f06 hwmon: (max31722) Remove non-standard ACPI device IDs 
Valid Maxim Integrated ACPI device IDs would start with MXIM,
not with MAX1. On top of that, ACPI device IDs reflecting chip names
are almost always invalid.

Remove the invalid ACPI IDs.

Fixes: 04e1e70afe ("hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2021-06-17 04:21:44 -07:00
Thomas Gleixner
36edc93958 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 330 
Based on 1 normalized pattern(s):

  this file is subject to the terms and conditions of version 2 of the
  gnu general public license see the file copying in the main
  directory of this archive for more details

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 55 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.108941081@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-06-05 17:37:06 +02:00
Guenter Roeck
845ee70923 hwmon: (max31722) Use permission specific SENSOR[_DEVICE]_ATTR variants 
Use SENSOR[_DEVICE]_ATTR[_2]_{RO,RW,WO} to simplify the source code,
to improve readability, and to reduce the chance of inconsistencies.

Also replace any remaining S_<PERMS> in the driver with octal values.

The conversion was done automatically with coccinelle. The semantic patches
and the scripts used to generate this commit log are available at
https://github.com/groeck/coccinelle-patches/hwmon/.

This patch does not introduce functional changes. It was verified by
compiling the old and new files and comparing text and data sizes.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2019-02-18 14:23:29 -08:00
Tiberiu Breana
04e1e70afe hwmon: (max31722) Add support for MAX31722/MAX31723 temperature sensors 
Add basic support for the Maxim Integrated MAX31722/MAX31723 SPI
temperature sensors / thermostats.

Includes:
    - ACPI support;
    - raw temperature readings;
    - power management

Datasheet:
https://datasheets.maximintegrated.com/en/ds/MAX31722-MAX31723.pdf

Signed-off-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2016-04-19 06:32:34 -07:00