sdcard was previously rather unreliable during boot on sdm845-lg-judyln Identified and applied correct settings from downstream lineageos kernel.
Verified card was properly detected over 5 reboots with rootfs on sdcard. Refer to downstream: https://github.com/LineageOS/android_kernel_lge_sdm845/blob/efa8458f79dffeb380d43b38b9403407f87d9f05/arch/arm64/boot/dts/qcom/sdm845-pinctrl.dtsi#L148-L303 Fixes: 28ae8aa3923c ("arm64: dts: qcom: add device tree for LG G7 and LG V35") Signed-off-by: Paul Sajna <[email protected]> --- arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi index 5ac2e058827c..055d17e966be 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845-lg-common.dtsi @@ -581,33 +581,26 @@ &tlmm { sdc2_clk: sdc2-clk-state { pins = "sdc2_clk"; bias-disable; - - /* - * It seems that mmc_test reports errors if drive - * strength is not 16 on clk, cmd, and data pins. - * - * TODO: copy-pasted from mtp, try other values - * on these devices. - */ drive-strength = <16>; }; sdc2_cmd: sdc2-cmd-state { pins = "sdc2_cmd"; bias-pull-up; - drive-strength = <16>; + drive-strength = <10>; }; sdc2_data: sdc2-data-state { pins = "sdc2_data"; bias-pull-up; - drive-strength = <16>; + drive-strength = <10>; }; sd_card_det_n: sd-card-det-n-state { pins = "gpio126"; function = "gpio"; bias-pull-up; + drive-strength = <2>; }; }; --- base-commit: 415606a7be939835db9b0d6b711887586646346d change-id: 20260802-judyln-sdcard-fix-12c2a04a7ad5 Best regards, -- Paul Sajna <[email protected]>
