[PATCH 2/2] mmc: sunxi: Reset the device at probe time

[Ulf Hansson]

On 25 August 2017 at 11:49, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> We might be into some troubles if the bootloader misconfigured the MMC
> controller.
>
> We currently only de-assert the reset line at probe time, which means that
> if the device was already out of reset, we're going to keep whatever state
> was set already.
>
> Switch to a reset instead of the deassert to have a device in a pristine
> state when we start operating.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Thanks, applied for next!

Kind regards
Uffe

> ---
>  drivers/mmc/host/sunxi-mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
> index da5f46a14497..53c970fe0873 100644
> --- a/drivers/mmc/host/sunxi-mmc.c
> +++ b/drivers/mmc/host/sunxi-mmc.c
> @@ -1242,7 +1242,7 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
>         }
>
>         if (!IS_ERR(host->reset)) {
> -               ret = reset_control_deassert(host->reset);
> +               ret = reset_control_reset(host->reset);
>                 if (ret) {
>                         dev_err(&pdev->dev, "reset err %d\n", ret);
>                         goto error_disable_clk_sample;
> --
> 2.13.5
>