pinctrl: amd: Use amd_pinconf_set() for all config options
authorMario Limonciello <mario.limonciello@amd.com>
Wed, 5 Jul 2023 13:30:03 +0000 (08:30 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 23 Jul 2023 11:49:30 +0000 (13:49 +0200)
commit326b3f17bee88f8f05a3371b95b82caaf2ce1cac
tree21deac68ea16df7c363246d70797331b46a4967c
parent3cadcab402e1e18a18b76ae3de557534a811c27c
pinctrl: amd: Use amd_pinconf_set() for all config options

commit 635a750d958e158e17af0f524bedc484b27fbb93 upstream.

On ASUS TUF A16 it is reported that the ITE5570 ACPI device connected to
GPIO 7 is causing an interrupt storm.  This issue doesn't happen on
Windows.

Comparing the GPIO register configuration between Windows and Linux
bit 20 has been configured as a pull up on Windows, but not on Linux.
Checking GPIO declaration from the firmware it is clear it *should* have
been a pull up on Linux as well.

```
GpioInt (Level, ActiveLow, Exclusive, PullUp, 0x0000,
 "\\_SB.GPIO", 0x00, ResourceConsumer, ,)
{   // Pin list
0x0007
}
```

On Linux amd_gpio_set_config() is currently only used for programming
the debounce. Actually the GPIO core calls it with all the arguments
that are supported by a GPIO, pinctrl-amd just responds `-ENOTSUPP`.

To solve this issue expand amd_gpio_set_config() to support the other
arguments amd_pinconf_set() supports, namely `PIN_CONFIG_BIAS_PULL_DOWN`,
`PIN_CONFIG_BIAS_PULL_UP`, and `PIN_CONFIG_DRIVE_STRENGTH`.

Reported-by: Nik P <npliashechnikov@gmail.com>
Reported-by: Nathan Schulte <nmschulte@gmail.com>
Reported-by: Friedrich Vock <friedrich.vock@gmx.de>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217336
Reported-by: dridri85@gmail.com
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217493
Link: https://lore.kernel.org/linux-input/20230530154058.17594-1-friedrich.vock@gmx.de/
Tested-by: Jan Visser <starquake@linuxeverywhere.org>
Fixes: 2956b5d94a76 ("pinctrl / gpio: Introduce .set_config() callback for GPIO chips")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230705133005.577-3-mario.limonciello@amd.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/pinctrl/pinctrl-amd.c