Hi Giuseppe,

On Thu, Jun 13 2013, Giuseppe CAVALLARO wrote:
> This patch fixes the HC ctrl_2 programming where, in case of
> SDR104 and HS200, we have to write 100b in the the UHS Mode
> bits. We wrote 101b that is reserved from Arasan Specs.
>
> Reported-by: Youssef Triki <[email protected]>
> Signed-off-by: Giuseppe Cavallaro <[email protected]>
> ---
>  drivers/mmc/host/sdhci.c |    7 +++----
>  1 files changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index b8bb3b3..ae745ab 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1526,16 +1526,15 @@ static void sdhci_do_set_ios(struct sdhci_host *host, 
> struct mmc_ios *ios)
>                       ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
>                       /* Select Bus Speed Mode for host */
>                       ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
> -                     if (ios->timing == MMC_TIMING_MMC_HS200)
> -                             ctrl_2 |= SDHCI_CTRL_HS_SDR200;
> +                     if ((ios->timing == MMC_TIMING_MMC_HS200) ||
> +                         (ios->timing == MMC_TIMING_UHS_SDR104))
> +                             ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
>                       else if (ios->timing == MMC_TIMING_UHS_SDR12)
>                               ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
>                       else if (ios->timing == MMC_TIMING_UHS_SDR25)
>                               ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
>                       else if (ios->timing == MMC_TIMING_UHS_SDR50)
>                               ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
> -                     else if (ios->timing == MMC_TIMING_UHS_SDR104)
> -                             ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
>                       else if (ios->timing == MMC_TIMING_UHS_DDR50)
>                               ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
>                       sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);

Thanks, pushed to mmc-next for 3.11.

- Chris.
-- 
Chris Ball   <[email protected]>   <http://printf.net/>
One Laptop Per Child
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