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pinctrl: k210: Fix loop in k210_pc_get_drive()

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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>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
This commit is contained in:
Niklas Cassel 2022-03-01 10:35:44 +00:00 committed by Leo Yu-Chi Liang
parent bae4d9fbd9
commit daaf18267f
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/pinctrl-k210.c
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@ -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;