diff options
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 3cf2490b16bd..441ca447c4ba 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1538,13 +1538,10 @@ static int dw_mci_get_cd(struct mmc_host *mmc) == 0 ? 1 : 0; spin_lock_bh(&host->lock); - if (present) { - set_bit(DW_MMC_CARD_PRESENT, &slot->flags); + if (present && !test_and_set_bit(DW_MMC_CARD_PRESENT, &slot->flags)) dev_dbg(&mmc->class_dev, "card is present\n"); - } else { - clear_bit(DW_MMC_CARD_PRESENT, &slot->flags); + else if (!test_and_clear_bit(DW_MMC_CARD_PRESENT, &slot->flags)) dev_dbg(&mmc->class_dev, "card is not present\n"); - } spin_unlock_bh(&host->lock); return present; |