Re: [PATCH RESEND 02/12] mmc: sdhci-pxav3: Respect MMC_DDR52 timing on uhs signaling

From: Ulf Hansson
Date: Mon Oct 27 2014 - 09:38:54 EST


On 21 October 2014 11:22, Sebastian Hesselbarth
<sebastian.hesselbarth@xxxxxxxxx> 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@xxxxxxxxx>

Thanks! Applied for next!

Kind regards
Uffe


> ---
> Cc: Chris Ball <chris@xxxxxxxxxx>
> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> Cc: "Antoine TÃnart" <antoine.tenart@xxxxxxxxxxxxxxxxxx>
> Cc: linux-mmc@xxxxxxxxxxxxxxx
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
> 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
>
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