5.15-stable review patch. If anyone has any objections, please let me know.
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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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/host/sdhci-of-dwcmshc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- 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