On Mon, February 17, 2014, Ulf Hansson wrote: > On 15 February 2014 15:08, Seungwon Jeon <tgih....@samsung.com> wrote: > > Added MMC_DDR52 as eMMC's DDR mode distinguished from SD-UHS. > > > > CC: Russell King <li...@arm.linux.org.uk> > > Signed-off-by: Seungwon Jeon <tgih....@samsung.com> > > Acked-by: Ulf Hansson <ulf.hans...@linaro.org> > > Do note, normally Russell takes patches for mmci. > > In this case I think it's important that the complete set gets merged > together. Especially since patch 1, on it's own, actually breaks > support for MMC DDR mode for some host drivers.
Thank you for your ack. I also hope that. Thanks, Seungwon Jeon > > Kind regards > Ulf Hansson > > > --- > > drivers/mmc/host/mmci.c | 6 ++++-- > > 1 files changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c > > index b931226..421d1fe 100644 > > --- a/drivers/mmc/host/mmci.c > > +++ b/drivers/mmc/host/mmci.c > > @@ -299,7 +299,8 @@ static void mmci_set_clkreg(struct mmci_host *host, > > unsigned int desired) > > if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) > > clk |= MCI_ST_8BIT_BUS; > > > > - if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50) > > + if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || > > + host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) > > clk |= MCI_ST_UX500_NEG_EDGE; > > > > mmci_write_clkreg(host, clk); > > @@ -784,7 +785,8 @@ static void mmci_start_data(struct mmci_host *host, > > struct mmc_data *data) > > mmci_write_clkreg(host, clk); > > } > > > > - if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50) > > + if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || > > + host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) > > datactrl |= MCI_ST_DPSM_DDRMODE; > > > > /* > > -- > > 1.7.0.4 > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
