Kyungmin Park wrote:
>
> Some SDHCI controllr like s5pc110 doesn't have HISPD bit at HOSTCTL
register.
>
> Signed-off-by: Kyungmin Park <kyungmin.park <at> samsung.com>
> ---
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index c6d1bd8..cba08ce 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1164,7 +1164,8 @@ 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))
host->quirks |= SDHCI_QURIK_NO_HISPD_BIT missed in
drivers/mmc/host/sdhci-s3c.c
> ctrl |= SDHCI_CTRL_HISPD;
> else
> ctrl &= ~SDHCI_CTRL_HISPD;
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index c846813..a78152d 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -240,6 +240,8 @@ struct sdhci_host {
> #define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN (1<<25)
> /* Controller cannot support End Attribute in NOP ADMA descriptor */
> #define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC (1<<26)
> +/* Controller doesn't have HISPD bit field in HI-SPEED SD card */
> +#define SDHCI_QUIRK_NO_HISPD_BIT (1<<27)
>
> int irq; /* Device IRQ */
> void __iomem * ioaddr; /* Mapped address */
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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