mmc: sdhci-esdhc-imx: SDHCI_CARD_PRESENT does not get cleared

The function esdhc_readl_le intends to clear bit SDHCI_CARD_PRESENT,
when the card detect gpio tells there is no card.  But it does not
clear the bit actually.  The patch gives a fix on that.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 7cfb768126cc..01d42601e8dc 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -72,7 +72,7 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
                 if (boarddata && gpio_is_valid(boarddata->cd_gpio)
                                 && gpio_get_value(boarddata->cd_gpio))
                         /* no card, if a valid gpio says so... */
-                        val &= SDHCI_CARD_PRESENT;
+                        val &= ~SDHCI_CARD_PRESENT;
                 else
                         /* ... in all other cases assume card is present */
                         val |= SDHCI_CARD_PRESENT;