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authorKonrad Dybcio <konrad.dybcio@linaro.org>2024-05-10 16:39:59 +0300
committerBjorn Andersson <andersson@kernel.org>2024-05-27 19:45:22 +0300
commit8a1fd54d007279207c1dfe090084749706fb413b (patch)
treeb6429fc75a6d378ed3acb1d170429ba7d6b74f7a /arch/arm64/boot
parent50b0516030fd549c9fd4498c9ac1f3a665521b2e (diff)
downloadlinux-8a1fd54d007279207c1dfe090084749706fb413b.tar.xz
arm64: dts: qcom: sc8280xp: Set status = "reserved" on PSHOLD
On most devices, TZ seems to be blocking access to the PSHOLD reboot register. This seems to be TZ, as even kicking the hypervisor doesn't seem to make it writable. Fixes: 865ff2e6f5da ("arm64: dts: qcom: sc8280xp: Add PS_HOLD restart") Reported-by: Steev Klimaszewski <steev@kali.org> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org> Tested-by: Steev Klimaszewski <steev@kali.org> Link: https://lore.kernel.org/r/20240510-topic-8280_off-v1-1-bcc70cda449e@linaro.org Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'arch/arm64/boot')
-rw-r--r--arch/arm64/boot/dts/qcom/sc8280xp.dtsi2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 0549ba1fbeea..59f0a850671a 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -4623,6 +4623,8 @@
restart@c264000 {
compatible = "qcom,pshold";
reg = <0 0x0c264000 0 0x4>;
+ /* TZ seems to block access */
+ status = "reserved";
};
tsens1: thermal-sensor@c265000 {