On 27 May 2014 16:05, Fabio Estevam <festevam@xxxxxxxxx> wrote: > Hi Ulf, > > On Fri, May 9, 2014 at 5:42 AM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote: >> 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. > > It seems this one is still missing in linux-next. The patch is applied to Chris' mmc tree. Currently, Stehpen can't merge the latest version of Chris' tree since we have mange to break it. :-) I hope Chris will merge the following patch to his tree the next few days, that will solve the problem. [PATCH] mmc: sdhci-s3c: use mmc_of_parse and remove the card_tasklet 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