Shawn,
> +/* mmc */
> +static void __init mx28evk_mmc_slot_poweron(int gpio)
> +{
> + int ret;
> +
> + ret = gpio_request(gpio, "mmc-slot-power");
> + if (ret) {
> + pr_err("Failed to request gpio mmc-slot-power: %d\n", ret);
> + return;
> + }
> +
> + ret = gpio_direction_output(gpio, 0);
> + if (ret) {
> + pr_err("Failed to drive gpio mmc-slot-power: %d\n", ret);
> + return;
> + }
> +}
Minor nit: You could use gpio_request_one(), and doing so maybe even get rid of
this function and simply do it the init-function. The advantage would be, that
you can name the two GPIOs independently.
Regards,
Wolfram
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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