[PATCH] pinctrl: fix loop in k210_pinconf_get_drive()

[Sean Anderson]

On 2/9/22 1:08 PM, Dan Carpenter wrote:
> 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 at oracle.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 49e32684dbb2..e3d03f2de7ef 100644
> --- a/drivers/pinctrl/pinctrl-k210.c
> +++ b/drivers/pinctrl/pinctrl-k210.c
> @@ -482,7 +482,7 @@ static int k210_pinconf_get_drive(unsigned int max_strength_ua)
>   {
>   	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;
>   	}
> 

Reviewed-by: Sean Anderson <seanga2 at gmail.com>