On 15/12/2015 23:27, Mans Rullgard wrote:
> Override the default name_to_gpio() function with one that
> accepts strings of the form bank:pin. If a colon is present
> in the provided name, it behaves like the default version.
>
> This lets the "gpio" command work with sane names rather than
> requiring the user to enter the bank/pin composite in decimal.
>
> Signed-off-by: Mans Rullgard <m...@mansr.com>
> ---
> drivers/gpio/mxs_gpio.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/gpio/mxs_gpio.c b/drivers/gpio/mxs_gpio.c
> index da0199b..b54a10b 100644
> --- a/drivers/gpio/mxs_gpio.c
> +++ b/drivers/gpio/mxs_gpio.c
> @@ -114,3 +114,18 @@ int gpio_free(unsigned gpio)
> {
> return 0;
> }
> +
> +int name_to_gpio(const char *name)
> +{
> + unsigned bank, pin;
> + char *end;
> +
> + bank = simple_strtoul(name, &end, 10);
> +
> + if (!*end || *end != ':')
> + return bank;
> +
> + pin = simple_strtoul(end + 1, NULL, 10);
> +
> + return (bank << MXS_PAD_BANK_SHIFT) | (pin << MXS_PAD_PIN_SHIFT);
> +}
>
Reviewed-by: Stefano Babic <sba...@denx.de>
Best regards,
Stefano Babic
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