| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.15 134/139] pinctrl: fix loop in k210_pinconf_get_drive() | Date | Mon, 28 Feb 2022 18:25:08 +0100 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
commit ba2ab85951c91a140a8fa51d8347d54e59ec009d upstream.
The loop exited too early so the k210_pinconf_drive_strength[0] array element was never used.
Fixes: d4c34d09ab03 ("pinctrl: Add RISC-V Canaan Kendryte K210 FPIOA driver") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Sean Anderson <seanga2@gmail.com> Link: https://lore.kernel.org/r/20220209180804.GA18385@kili Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/pinctrl/pinctrl-k210.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/pinctrl/pinctrl-k210.c +++ b/drivers/pinctrl/pinctrl-k210.c @@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsign { int i; - for (i = K210_PC_DRIVE_MAX; i; i--) { + for (i = K210_PC_DRIVE_MAX; i >= 0; i--) { if (k210_pinconf_drive_strength[i] <= max_strength_ua) return i; }
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