From: Niklas Cassel niklas.cassel@wdc.com
The loop exited too early so the k210_pc_drive_strength[0] array element was never used.
Original Linux patch by Dan Carpenter: https://lore.kernel.org/linux-gpio/20220209180804.GA18385@kili/
Fixes: 7224d5ccf8e1 ("pinctrl: Add support for Kendryte K210 FPIOA") Signed-off-by: Niklas Cassel niklas.cassel@wdc.com --- drivers/pinctrl/pinctrl-k210.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-k210.c b/drivers/pinctrl/pinctrl-k210.c index 63084ae837..f809149102 100644 --- a/drivers/pinctrl/pinctrl-k210.c +++ b/drivers/pinctrl/pinctrl-k210.c @@ -511,7 +511,7 @@ static int k210_pc_get_drive(unsigned max_strength_ua) { int i;
- for (i = K210_PC_DRIVE_MAX; i; i--) + for (i = K210_PC_DRIVE_MAX; i >= 0; i--) if (k210_pc_drive_strength[i] < max_strength_ua) return i;