Hi,
On Wed, Oct 17 2012, Kevin Liu wrote:
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index c3e786d..522e501 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1529,8 +1529,15 @@ static void sdhci_do_set_ios(struct sdhci_host *host,
> struct mmc_ios *ios)
> 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)
> + else if (ios->timing == MMC_TIMING_UHS_DDR50) {
> + struct mmc_card *card;
> +
> ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
> + card = container_of(&(host->mmc),
> + struct mmc_card, host);
> + if (mmc_card_mmc(card))
> + ctrl_2 |= SDHCI_CTRL_VDD_180;
> + }
> sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
> }
> if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) &&
I'm using DDR50 on an eMMC that's only powered by 3.3V (no 1.8V
available) with sdhci-pxav3, so it sounds like I don't want to merge
this patch?
Thanks,
- Chris.
--
Chris Ball <[email protected]> <http://printf.net/>
One Laptop Per Child
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