diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index c0e96ade4cc9c..45b1a3de0b688 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)) |