| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20240510-topic-msm-polling-cleanup-v2-6-436ca4218da2@linaro.org>
Date: Fri, 10 May 2024 13:59:29 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, cros-qcom-dts-watchers@...omium.org,
Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 06/31] arm64: dts: qcom: msm8953-*: Remove thermal zone
polling delays
All of the thermal zone suppliers are interrupt-driven, remove the
bogus and unnecessary polling that only wastes CPU time.
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
arch/arm64/boot/dts/qcom/msm8953.dtsi | 17 ++++++++---------
arch/arm64/boot/dts/qcom/pm8953.dtsi | 3 ---
2 files changed, 8 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
index 5d818fe057dd..92c86504d6f3 100644
--- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
@@ -1968,8 +1968,9 @@ q6routing: routing {
thermal-zones {
cpu0-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
+
thermal-sensors = <&tsens0 9>;
+
trips {
cpu0_alert: trip-point0 {
temperature = <80000>;
@@ -1991,8 +1992,9 @@ map0 {
};
cpu1-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
+
thermal-sensors = <&tsens0 10>;
+
trips {
cpu1_alert: trip-point0 {
temperature = <80000>;
@@ -2014,8 +2016,9 @@ map0 {
};
cpu2-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
+
thermal-sensors = <&tsens0 11>;
+
trips {
cpu2_alert: trip-point0 {
temperature = <80000>;
@@ -2037,8 +2040,9 @@ map0 {
};
cpu3-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
+
thermal-sensors = <&tsens0 12>;
+
trips {
cpu3_alert: trip-point0 {
temperature = <80000>;
@@ -2060,7 +2064,6 @@ map0 {
};
cpu4-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
thermal-sensors = <&tsens0 4>;
trips {
cpu4_alert: trip-point0 {
@@ -2083,7 +2086,6 @@ map0 {
};
cpu5-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
thermal-sensors = <&tsens0 5>;
trips {
cpu5_alert: trip-point0 {
@@ -2106,7 +2108,6 @@ map0 {
};
cpu6-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
thermal-sensors = <&tsens0 6>;
trips {
cpu6_alert: trip-point0 {
@@ -2129,7 +2130,6 @@ map0 {
};
cpu7-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
thermal-sensors = <&tsens0 7>;
trips {
cpu7_alert: trip-point0 {
@@ -2153,7 +2153,6 @@ map0 {
gpu-thermal {
polling-delay-passive = <250>;
- polling-delay = <1000>;
thermal-sensors = <&tsens0 15>;
trips {
diff --git a/arch/arm64/boot/dts/qcom/pm8953.dtsi b/arch/arm64/boot/dts/qcom/pm8953.dtsi
index 1067e141be6c..64258505f9ba 100644
--- a/arch/arm64/boot/dts/qcom/pm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm8953.dtsi
@@ -9,9 +9,6 @@
/ {
thermal-zones {
pm8953-thermal {
- polling-delay-passive = <0>;
- polling-delay = <0>;
-
thermal-sensors = <&pm8953_temp>;
trips {
--
2.40.1
Powered by blists - more mailing lists