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7 Commits

Author SHA1 Message Date
Denis Pauk
1864069c69 hwmon: (nct6775) add ASUS CROSSHAIR VIII/TUF/ProArt B550M 
Boards such as
* ProArt B550-CREATOR
* ProArt Z490-CREATOR 10G
* ROG CROSSHAIR VIII EXTREME
* ROG CROSSHAIR VIII HERO (WI-FI)
* TUF GAMING B550M-E
* TUF GAMING B550M-E (WI-FI)
* TUF GAMING B550M-PLUS WIFI II
have got a nct6775 chip, but by default there's no use of it
because of resource conflict with WMI method.

This commit adds such boards to the WMI monitoring list.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Reported-by: yutesdb <mundanedefoliation@gmail.com>
Tested-by: yutesdb <mundanedefoliation@gmail.com>
Link: https://lore.kernel.org/r/20221114214456.3891-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-12-04 16:45:03 -08:00
Jonathan Cameron
8de7295c20 hwmon: (nct6775) 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>
Cc: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Link: https://lore.kernel.org/r/20220925172759.3573439-13-jic23@kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-09-25 14:22:12 -07:00
Zev Weiss
f4e6960f4f hwmon: (nct6775) Fix platform driver suspend regression 
Commit c3963bc0a0 ("hwmon: (nct6775) Split core and platform
driver") introduced a slight change in nct6775_suspend() in order to
avoid an otherwise-needless symbol export for nct6775_update_device(),
replacing a call to that function with a simple dev_get_drvdata()
instead.

As it turns out, there is no guarantee that nct6775_update_device()
is ever called prior to suspend. If this happens, the resume function
ends up writing bad data into the various chip registers, which results
in a crash shortly after resume.

To fix the problem, just add the symbol export and return to using
nct6775_update_device() as was employed previously.

Reported-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Tested-by: Zoltán Kővágó <dirty.ice.hu@gmail.com>
Fixes: c3963bc0a0 ("hwmon: (nct6775) Split core and platform driver")
Cc: stable@kernel.org
Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220810052646.13825-1-zev@bewilderbeest.net
[groeck: Updated description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-08-10 06:37:01 -07:00
Robert Schmidt
38ac173b0e hwmon: (nct6775) add ASUS TUF GAMING B550-PLUS WIFI II 
Add ASUS TUF GAMING B550-PLUS WIFI II to the WMI monitoring list
to enable support for HW monitoring on that board.

Signed-off-by: Robert Schmidt <r-schmidt@web.de>
Link: https://lore.kernel.org/r/YuBZodZHOnDll5zy@hydra
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-07-26 20:16:54 -07:00
Andy Shevchenko
452d5e2976 hwmon: (nct6775) Drop duplicate NULL check in ->init() and ->exit() 
Since platform_device_unregister() is NULL-aware, we don't need to duplicate
this check. Remove it and fold the rest of the code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Zev Weiss <zev@bewilderbeest.net>
Link: https://lore.kernel.org/r/20220610103324.87483-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-07-13 08:38:20 -07:00
Denis Pauk
7641240828 hwmon: (nct6775) add ASUS PRO H410T / PRIME H410M-R / ROG X570-E GAMING WIFI II 
Boards such as
* PRO H410T
* PRIME H410M-R
* ROG STRIX X570-E GAMING WIFI II
have got a nct6775 chip, but by default there's no use of it
because of resource conflict with WMI method.

This commit adds such boards to the WMI monitoring list.

BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204807
Signed-off-by: Denis Pauk <pauk.denis@gmail.com>
Reported-by: renedis <renedis@hotmail.com>
Reported-by: Dmitrii Levchenko <e_dimas@rambler.ru>
Reported-by: Hubert Banas <hubert.banas@gmail.com>
Link: https://lore.kernel.org/r/20220507072933.3013-1-pauk.denis@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-05-22 11:32:31 -07:00
Zev Weiss
c3963bc0a0 hwmon: (nct6775) Split core and platform driver 
This splits the nct6775 driver into an interface-independent core and
a separate platform driver that wraps inb/outb port I/O (or asuswmi
methods) around that core.

Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
Tested-by: Renze Nicolai <renze@rnplus.nl>
Link: https://lore.kernel.org/r/20220427010154.29749-7-zev@bewilderbeest.net
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
 2022-05-20 10:57:06 -07:00