[U-Boot] [PATCH] M28: Fix OB1 bug in GPIO driver

[Marek Vasut]

> This patch fixes a small off-by-one bug in the GPIO driver for the mxs
> platform that allowed the selection gpio pins of one bank more than the
> SoC actually has.
> 
> Signed-off-by: Robert Deliën <robert at delien.nl>
> 
> diff --git a/drivers/gpio/mxs_gpio.c b/drivers/gpio/mxs_gpio.c
> index b7e9591..539738b 100644
> --- a/drivers/gpio/mxs_gpio.c
> +++ b/drivers/gpio/mxs_gpio.c
> @@ -120,7 +120,7 @@ int gpio_direction_output(int gp, int value)
> 
>  int gpio_request(int gp, const char *label)
>  {
> -       if (PAD_BANK(gp) > PINCTRL_BANKS)
> +       if (PAD_BANK(gp) >= PINCTRL_BANKS)
>                 return -EINVAL;
> 
>         return 0;

Acked-by: Marek Vasut <marek.vasut at gmail.com>

I'd like to see Stefano review this too.

M