This is a note to let you know that I've just added the patch titled
pinctrl: baytrail: fix debounce disable case
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pinctrl-baytrail-fix-debounce-disable-case.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 4eef992ef82b748b8cfe3f1d5e753d9c194124e9
Author: Raag Jadav <raag.jadav@xxxxxxxxx>
Date: Tue Sep 12 21:18:15 2023 +0530
pinctrl: baytrail: fix debounce disable case
[ Upstream commit 2d325e54d9e2e4ae247c9fd03f810208ce958c51 ]
We don't need to update debounce pulse value in case debounce is to be
disabled. Break such a case where arg value is zero.
Fixes: 4cfff5b7af8b ("pinctrl: baytrail: consolidate common mask operation")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Closes: https://lore.kernel.org/linux-gpio/d164d471-5432-4c3c-afdb-33dc8f53d043@moroto.mountain/
Signed-off-by: Raag Jadav <raag.jadav@xxxxxxxxx>
Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index faa8b7ff5bcf3..ec76e43527c5c 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -983,11 +983,18 @@ static int byt_pin_config_set(struct pinctrl_dev *pctl_dev,
break;
case PIN_CONFIG_INPUT_DEBOUNCE:
- if (arg)
+ if (arg) {
conf |= BYT_DEBOUNCE_EN;
- else
+ } else {
conf &= ~BYT_DEBOUNCE_EN;
+ /*
+ * No need to update the pulse value.
+ * Debounce is going to be disabled.
+ */
+ break;
+ }
+
switch (arg) {
case 375:
db_pulse = BYT_DEBOUNCE_PULSE_375US;
