Commit a28352cf authored by Shawn Lin's avatar Shawn Lin Committed by Ulf Hansson
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mmc: sdhci-of-dwcmshc: Change DLL_STRBIN_TAPNUM_DEFAULT to 0x4 



strbin signal delay under 0x8 configuration is not stable after massive
test. The recommandation of it should be 0x4.

Signed-off-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Tested-by: default avatarAlexey Charkov <alchark@gmail.com>
Tested-by: default avatarHugh Cole-Baker <sigmaris@gmail.com>
Fixes: 08f3dff7 ("mmc: sdhci-of-dwcmshc: add rockchip platform support")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent a7b17ece

drivers/mmc/host/sdhci-of-dwcmshc.c

+1 −1
Original line number Diff line number Diff line
@@ -94,7 +94,7 @@ 
#define DLL_TXCLK_TAPNUM_DEFAULT	0x10

#define DLL_TXCLK_TAPNUM_90_DEGREES	0xA

#define DLL_TXCLK_TAPNUM_FROM_SW	BIT(24)

#define DLL_STRBIN_TAPNUM_DEFAULT	0x8

#define DLL_STRBIN_TAPNUM_DEFAULT	0x4

#define DLL_STRBIN_TAPNUM_FROM_SW	BIT(24)

#define DLL_STRBIN_DELAY_NUM_SEL	BIT(26)

#define DLL_STRBIN_DELAY_NUM_OFFSET	16