diff options
| author | Kyungmin Park <kyungmin.park@samsung.com> | 2010-08-19 14:13:35 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-20 09:34:55 -0700 |
| commit | 5193250168ccdf87364e35a11965336dc088578c (patch) | |
| tree | 30bf8a281f27020f413033a7acc3be65d63c8377 | |
| parent | 930a6f70fa3b9c79a57dd6850ef9cb1efa470575 (diff) | |
| download | kernel_samsung_aries-5193250168ccdf87364e35a11965336dc088578c.zip kernel_samsung_aries-5193250168ccdf87364e35a11965336dc088578c.tar.gz kernel_samsung_aries-5193250168ccdf87364e35a11965336dc088578c.tar.bz2 | |
sdhci: add no hi-speed bit quirk support
Some SDHCI controllers like s5pc110 don't have an HISPD bit in the HOSTCTL
register.
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7855121..401527d 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1180,7 +1180,8 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) else ctrl &= ~SDHCI_CTRL_4BITBUS; - if (ios->timing == MMC_TIMING_SD_HS) + if (ios->timing == MMC_TIMING_SD_HS && + !(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)) ctrl |= SDHCI_CTRL_HISPD; else ctrl &= ~SDHCI_CTRL_HISPD; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 036cfae..d316bc7 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -245,6 +245,8 @@ struct sdhci_host { #define SDHCI_QUIRK_MISSING_CAPS (1<<27) /* Controller uses Auto CMD12 command to stop the transfer */ #define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28) +/* Controller doesn't have HISPD bit field in HI-SPEED SD card */ +#define SDHCI_QUIRK_NO_HISPD_BIT (1<<29) int irq; /* Device IRQ */ void __iomem * ioaddr; /* Mapped address */ |