On Sun, Apr 14, 2013 at 02:07:38PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> ---
> drivers/mci/atmel_mci.c | 42 +++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 41 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mci/atmel_mci.c b/drivers/mci/atmel_mci.c
> index f032403..4e8b86e 100644
> --- a/drivers/mci/atmel_mci.c
> +++ b/drivers/mci/atmel_mci.c
> @@ -370,6 +370,23 @@ static int atmci_card_present(struct mci_host *mci)
> return ret == 0 ? 1 : 0;
> }
>
> +static int atmci_card_write_protected(struct mci_host *mci)
> +{
> + struct atmel_mci_host *host = to_mci_host(mci);
> + struct atmel_mci_platform_data *pd = host->hw_dev->platform_data;
> + int ret;
> +
> + /* No gpio, assume card is not protected */
> + if (!gpio_is_valid(pd->wp_pin))
> + return 0;
This is unnecessary. gpio_get_value will check for gpio_is_valid aswell.
Sascha
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