On 11/24/2016 08:04 PM, Jaehoon Chung wrote:
> If card is polling or non-removable, display the more exact message.
> It's helpful to debug which detecting scheme is using.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
Applied on my dwmmc repository.
Best Regards,
Jaehoon Chung
> ---
> drivers/mmc/host/dw_mmc.c | 18 ++++++++++++++++--
> 1 file changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index c6cc618..d508225 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1525,9 +1525,23 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
> int gpio_cd = mmc_gpio_get_cd(mmc);
>
> /* Use platform get_cd function, else try onboard card detect */
> - if ((mmc->caps & MMC_CAP_NEEDS_POLL) || !mmc_card_is_removable(mmc))
> + if (((mmc->caps & MMC_CAP_NEEDS_POLL)
> + || !mmc_card_is_removable(mmc))) {
> present = 1;
> - else if (gpio_cd >= 0)
> +
> + if (!test_bit(DW_MMC_CARD_PRESENT, &slot->flags)) {
> + if (mmc->caps & MMC_CAP_NEEDS_POLL) {
> + dev_info(&mmc->class_dev,
> + "card is polling.\n");
> + } else {
> + dev_info(&mmc->class_dev,
> + "card is non-removable.\n");
> + }
> + set_bit(DW_MMC_CARD_PRESENT, &slot->flags);
> + }
> +
> + return present;
> + } else if (gpio_cd >= 0)
> present = gpio_cd;
> else
> present = (mci_readl(slot->host, CDETECT) & (1 << slot->id))
>
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