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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>
This commit is contained in:
Shawn Guo 2011-06-21 22:41:49 +08:00 committed by Chris Ball
parent d25928d1ee
commit 803862a6f7
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/sdhci-esdhc-imx.c
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@ -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;