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mmc: dw_mmc: check the "present" variable before checking flags 

Before checking flags, it has to check "present" variable.
Otherwise, flags should be cleared everytime.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Jaehoon Chung 2016-11-24 20:04:40 +09:00 committed by Ulf Hansson
parent df9bcc2bc0
commit 1c238a95a7
1 changed files with 2 additions and 1 deletions
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3
drivers/mmc/host/dw_mmc.c
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@ -1536,7 +1536,8 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
spin_lock_bh(&host->lock);
if (present && !test_and_set_bit(DW_MMC_CARD_PRESENT, &slot->flags))
dev_dbg(&mmc->class_dev, "card is present\n");
else if (!test_and_clear_bit(DW_MMC_CARD_PRESENT, &slot->flags))
else if (!present &&
!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);