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For some sd cards, the following Tuning timeout will occur, so set the default tuning step. Tuning failed, falling back to fixed sampling clock mmc0: Tuning failed, falling back to fixed sampling clock Fixes: 1e336aa0c025 ("mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting") Signed-off-by: Xiaolei Wang --- arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts index 75f1cd14bea1..d7396fbfcaf8 100644 --- a/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts +++ b/arch/arm/boot/dts/nxp/imx/imx7d-sdb.dts @@ -493,6 +493,7 @@ &usdhc1 { vmmc-supply = <®_sd1_vmmc>; wakeup-source; keep-power-in-suspend; + fsl,tuning-step = <2>; status = "okay"; };