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| author | Jaehoon Chung <jh80.chung@samsung.com> | 2015-10-21 19:49:42 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-10-29 11:00:43 +0100 |
| commit | 7cc8d580228cc712edcf7a1856a3bdb38c164e83 (patch) | |
| tree | 11fac7a50fe4073274dffebdd84f7e92ef4b9632 /drivers/mmc | |
| parent | 98daafd8a09d9a514bc2166709731d659037003b (diff) | |
| download | linux-stable-7cc8d580228cc712edcf7a1856a3bdb38c164e83.tar.gz linux-stable-7cc8d580228cc712edcf7a1856a3bdb38c164e83.tar.bz2 linux-stable-7cc8d580228cc712edcf7a1856a3bdb38c164e83.zip | |
mmc: dw_mmc: fix the wrong setting for UHS-DDR50 mode
When card is running with DDR mode, dwmmc needs to set DDR_REG bit at
UHS_REG register.
Before this patch, dwmmc controller doesn't consider this.
If this patch is not applied, CRC or other error shoulds be occurred.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 57a9577bc35c..7a6cedbe48a8 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1293,6 +1293,7 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) /* DDR mode set */ if (ios->timing == MMC_TIMING_MMC_DDR52 || + ios->timing == MMC_TIMING_UHS_DDR50 || ios->timing == MMC_TIMING_MMC_HS400) regs |= ((0x1 << slot->id) << 16); else |