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(parent: 98daafd) | patch
mmc: dw_mmc: fix the wrong setting for UHS-DDR50 mode
authorJaehoon Chung <jh80.chung@samsung.com>
Wed, 21 Oct 2015 10:49:42 +0000 (19:49 +0900)
committerUlf Hansson <ulf.hansson@linaro.org>
Thu, 29 Oct 2015 10:00:43 +0000 (11:00 +0100)
commit7cc8d580228cc712edcf7a1856a3bdb38c164e83
tree11fac7a50fe4073274dffebdd84f7e92ef4b9632tree | snapshot
parent98daafd8a09d9a514bc2166709731d659037003bcommit | diff
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>
drivers/mmc/host/dw_mmc.c diff | blob | history
Domain: System / Kernel;