On 9 May 2014 08:53, Dong Aisheng <b29396@xxxxxxxxxxxxx> wrote: > The regression is caused by the following commit ... > > commit 79f7ae7c45a6ccf04e2908337461dee615f6afb0 > Author: Seungwon Jeon <tgih.jun@xxxxxxxxxxx> > Date: Fri Mar 14 21:11:56 2014 +0900 > > mmc: clarify DDR timing mode between SD-UHS and eMMC > > This change distinguishes DDR timing mode of current > mixed usage to clarify device type. > > Signed-off-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx> > Acked-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> > Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> > Signed-off-by: Chris Ball <chris@xxxxxxxxxx> > > ... and the line below. > > @@ -1264,7 +1264,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, > goto err; > } > mmc_card_set_ddr_mode(card); > - mmc_set_timing(card->host, MMC_TIMING_UHS_DDR50); > + mmc_set_timing(card->host, MMC_TIMING_MMC_DDR52); > mmc_set_bus_width(card->host, bus_width); > } > } > > It's caused by the platform driver was still using MMC_TIMING_UHS_DDR50 for MMC DDR > mode which needs update too. > > Reported-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx> > Reported-by: Shawn Guo <shawn.guo@xxxxxxxxxxxxx> > Signed-off-by: Dong Aisheng <b29396@xxxxxxxxxxxxx> Hi Dong, Thanks for the fix. I will include this in the next PR I send to Chris. Kind regards Ulf Hansson -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
