diff mbox series

arm64: dts: qcom: kitakami: Temporarily disable SDHCI1

Message ID 20200814154749.257837-1-konradybcio@gmail.com
State Accepted
Commit e884fb6cc89dce1debeae33704edd7735a3d6d9c
Headers show
Series arm64: dts: qcom: kitakami: Temporarily disable SDHCI1 | expand

Commit Message

Konrad Dybcio Aug. 14, 2020, 3:47 p.m. UTC
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 mbox series

Patch

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