Hi, Zhangfei. If you want to check it, use the "broken-cd" and "non-removable" properties into dt-file. Did you use them? Best Regards, Jaehoon Chung On 05/05/2015 05:54 PM, Zhangfei Gao wrote: > When non-removable is used for emmc, MMC_CAP_NONREMOVABLE should > also be checked, otherwise detection fail since present=0 > > Signed-off-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> > --- > drivers/mmc/host/dw_mmc.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c > index 488a8af..5d327e4 100644 > --- a/drivers/mmc/host/dw_mmc.c > +++ b/drivers/mmc/host/dw_mmc.c > @@ -1308,7 +1308,8 @@ 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 (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION) > + if ((brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION) || > + (mmc->caps & MMC_CAP_NONREMOVABLE)) > present = 1; > else if (!IS_ERR_VALUE(gpio_cd)) > present = gpio_cd; > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
