Patch "ARM: dts: imx: Set default tuning step for imx7d usdhc" has been added to the 5.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    ARM: dts: imx: Set default tuning step for imx7d usdhc

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     arm-dts-imx-set-default-tuning-step-for-imx7d-usdhc.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 2b73164ea6a7520240bc5d811ed3ec9c8ca22ca0
Author: Xiaolei Wang <xiaolei.wang@xxxxxxxxxxxxx>
Date:   Mon Jul 24 23:45:10 2023 +0800

    ARM: dts: imx: Set default tuning step for imx7d usdhc
    
    [ Upstream commit be18293e47cbca7c6acee9231fc851601d69563a ]
    
    If the tuning step is not set, the tuning step is set to 1.
    For some sd cards, the following Tuning timeout will occur.
    
    Tuning failed, falling back to fixed sampling clock
    mmc0: Tuning failed, falling back to fixed sampling clock
    
    So set the default tuning step. This refers to the NXP vendor's
    commit below:
    
    https://github.com/nxp-imx/linux-imx/blob/lf-6.1.y/
    arch/arm/boot/dts/imx7s.dtsi#L1216-L1217
    
    Fixes: 1e336aa0c025 ("mmc: sdhci-esdhc-imx: correct the tuning start tap and step setting")
    Signed-off-by: Xiaolei Wang <xiaolei.wang@xxxxxxxxxxxxx>
    Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
    Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 2b664d457b461..854c380cccea4 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -1137,6 +1137,8 @@ usdhc1: mmc@30b40000 {
 					<&clks IMX7D_USDHC1_ROOT_CLK>;
 				clock-names = "ipg", "ahb", "per";
 				bus-width = <4>;
+				fsl,tuning-step = <2>;
+				fsl,tuning-start-tap = <20>;
 				status = "disabled";
 			};
 
@@ -1149,6 +1151,8 @@ usdhc2: mmc@30b50000 {
 					<&clks IMX7D_USDHC2_ROOT_CLK>;
 				clock-names = "ipg", "ahb", "per";
 				bus-width = <4>;
+				fsl,tuning-step = <2>;
+				fsl,tuning-start-tap = <20>;
 				status = "disabled";
 			};
 
@@ -1161,6 +1165,8 @@ usdhc3: mmc@30b60000 {
 					<&clks IMX7D_USDHC3_ROOT_CLK>;
 				clock-names = "ipg", "ahb", "per";
 				bus-width = <4>;
+				fsl,tuning-step = <2>;
+				fsl,tuning-start-tap = <20>;
 				status = "disabled";
 			};