From: Shawn Lin shawn.lin@rock-chips.com
[ Upstream commit a28352cf2d2f8380e7aca8cb61682396dca7a991 ]
strbin signal delay under 0x8 configuration is not stable after massive test. The recommandation of it should be 0x4.
Signed-off-by: Shawn Lin shawn.lin@rock-chips.com Tested-by: Alexey Charkov alchark@gmail.com Tested-by: Hugh Cole-Baker sigmaris@gmail.com Fixes: 08f3dff799d4 ("mmc: sdhci-of-dwcmshc: add rockchip platform support") Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mmc/host/sdhci-of-dwcmshc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index 335c88fd849c4..eb7213a8b5ea8 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -49,7 +49,7 @@ #define DWCMSHC_EMMC_DLL_INC 8 #define DWCMSHC_EMMC_DLL_DLYENA BIT(27) #define DLL_TXCLK_TAPNUM_DEFAULT 0x8 -#define DLL_STRBIN_TAPNUM_DEFAULT 0x8 +#define DLL_STRBIN_TAPNUM_DEFAULT 0x4 #define DLL_TXCLK_TAPNUM_FROM_SW BIT(24) #define DLL_RXCLK_NO_INVERTER 1 #define DLL_RXCLK_INVERTER 0