Messages in this thread Patch in this message | | | From | Konrad Dybcio <> | Subject | [PATCH] arm64: dts: qcom: kitakami: Temporarily disable SDHCI1 | Date | Fri, 14 Aug 2020 17:47:49 +0200 |
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There is an issue with Kitakami eMMCs dying when a quirk isn't addressed. Until that happens, disable it.
Signed-off-by: Konrad Dybcio <konradybcio@gmail.com> --- This supersides my previous "mmc: host: msm: Add optional full power cycle property." series in which I incorrectly addressed the issue NOT solving the cause.
arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi index 30cb3aa7d734..5496590dee33 100644 --- a/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8994-sony-xperia-kitakami.dtsi @@ -428,7 +428,12 @@ pmi8994_bby: boost-bypass { }; &sdhc1 { - status = "okay"; + /* There is an issue with the eMMC causing permanent + * damage to the card if a quirk isn't addressed. + * Until it's fixed, disable the MMC so as not to brick + * devices. + */ + status = "disabled"; /* Downstream pushes 2.95V to the sdhci device, * but upstream driver REALLY wants to make vmmc 1.8v -- 2.28.0
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