lkml.org 
[lkml]   [2014]   [Oct]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    SubjectRe: [PATCH RESEND 02/12] mmc: sdhci-pxav3: Respect MMC_DDR52 timing on uhs signaling
    From
    On 21 October 2014 11:22, Sebastian Hesselbarth
    <sebastian.hesselbarth@gmail.com> wrote:
    > commit bb8175a8aa42d731a840cd474e348ac3367eb5a0
    > ("mmc: sdhci: clarify DDR timing mode between SD-UHS and eMMC")
    > added MMC_DDR52 as eMMC's DDR mode to be distinguished from SD-UHS.
    >
    > While the differentation may be useful, pxav3 SDHCI controller lacks
    > a corresponding check in its custom .set_uhs_signaling callback for
    > MMC_DDR52. This patch adds a new switch case for MMC_TIMING_MMC_DDR52
    > to MMC_TIMING_UHS_DDR50 case.
    >
    > Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>

    Thanks! Applied for next!

    Kind regards
    Uffe


    > ---
    > Cc: Chris Ball <chris@printf.net>
    > Cc: Ulf Hansson <ulf.hansson@linaro.org>
    > Cc: "Antoine Ténart" <antoine.tenart@free-electrons.com>
    > Cc: linux-mmc@vger.kernel.org
    > Cc: devicetree@vger.kernel.org
    > Cc: linux-arm-kernel@lists.infradead.org
    > Cc: linux-kernel@vger.kernel.org
    > ---
    > drivers/mmc/host/sdhci-pxav3.c | 1 +
    > 1 file changed, 1 insertion(+)
    >
    > diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c
    > index 5036d7d39529..b55c807982fe 100644
    > --- a/drivers/mmc/host/sdhci-pxav3.c
    > +++ b/drivers/mmc/host/sdhci-pxav3.c
    > @@ -211,6 +211,7 @@ static void pxav3_set_uhs_signaling(struct sdhci_host *host, unsigned int uhs)
    > case MMC_TIMING_UHS_SDR104:
    > ctrl_2 |= SDHCI_CTRL_UHS_SDR104 | SDHCI_CTRL_VDD_180;
    > break;
    > + case MMC_TIMING_MMC_DDR52:
    > case MMC_TIMING_UHS_DDR50:
    > ctrl_2 |= SDHCI_CTRL_UHS_DDR50 | SDHCI_CTRL_VDD_180;
    > break;
    > --
    > 2.1.1
    >
    --
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2014-10-27 15:21    [W:2.209 / U:1.456 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site