linux-kernel - [PATCH 04/31] arm64: dts: qcom: msm8916-*: Remove thermal zone polling delays

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240319-topic-msm-polling-cleanup-v1-4-e0aee1dbcd78@linaro.org>
Date: Tue, 19 Mar 2024 17:13:34 +0100
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
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 04/31] arm64: dts: qcom: msm8916-*: 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/msm8916.dtsi | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index cedff4166bfb..e95800f8258f 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -2625,9 +2625,6 @@ cpu3_saw: power-manager@...9000 {
 
 	thermal-zones {
 		cpu0-1-thermal {
-			polling-delay-passive = <250>;
-			polling-delay = <1000>;
-
 			thermal-sensors = <&tsens 5>;
 
 			trips {
@@ -2655,9 +2652,6 @@ map0 {
 		};
 
 		cpu2-3-thermal {
-			polling-delay-passive = <250>;
-			polling-delay = <1000>;
-
 			thermal-sensors = <&tsens 4>;
 
 			trips {
@@ -2685,9 +2679,6 @@ map0 {
 		};
 
 		gpu-thermal {
-			polling-delay-passive = <250>;
-			polling-delay = <1000>;
-
 			thermal-sensors = <&tsens 2>;
 
 			cooling-maps {
@@ -2712,9 +2703,6 @@ gpu_crit: gpu-crit {
 		};
 
 		camera-thermal {
-			polling-delay-passive = <250>;
-			polling-delay = <1000>;
-
 			thermal-sensors = <&tsens 1>;
 
 			trips {
@@ -2727,9 +2715,6 @@ cam_alert0: trip-point0 {
 		};
 
 		modem-thermal {
-			polling-delay-passive = <250>;
-			polling-delay = <1000>;
-
 			thermal-sensors = <&tsens 0>;
 
 			trips {

-- 
2.40.1