linux-kernel - [PATCH v2 07/31] arm64: dts: qcom: msm8976-*: 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: <20240510-topic-msm-polling-cleanup-v2-7-436ca4218da2@linaro.org>
Date: Fri, 10 May 2024 13:59:30 +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 07/31] arm64: dts: qcom: msm8976-*: 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/msm8976.dtsi | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8976.dtsi b/arch/arm64/boot/dts/qcom/msm8976.dtsi
index d2bb1ada361a..4e4620de7f3c 100644
--- a/arch/arm64/boot/dts/qcom/msm8976.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8976.dtsi
@@ -1124,7 +1124,6 @@ pil-reloc@94c {
 	thermal-zones {
 		aoss0-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
 
 			thermal-sensors = <&tsens 0>;
 
@@ -1139,7 +1138,6 @@ aoss0_alert0: trip-point0 {
 
 		modem-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
 
 			thermal-sensors = <&tsens 1>;
 			trips {
@@ -1153,7 +1151,6 @@ modem_alert0: trip-point0 {
 
 		qdsp-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
 
 			thermal-sensors = <&tsens 2>;
 			trips {
@@ -1167,7 +1164,6 @@ qdsp_alert0: trip-point0 {
 
 		cam-isp-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
 
 			thermal-sensors = <&tsens 3>;
 			trips {
@@ -1181,7 +1177,7 @@ cam_isp_alert0: trip-point0 {
 
 		cpu4-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 4>;
 
 			trips {
@@ -1205,7 +1201,7 @@ cpu4_crit: cpu-crit {
 
 		cpu5-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 5>;
 
 			trips {
@@ -1229,7 +1225,7 @@ cpu5_crit: cpu-crit {
 
 		cpu6-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 6>;
 
 			trips {
@@ -1253,7 +1249,7 @@ cpu6_crit: cpu-crit {
 
 		cpu7-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 7>;
 
 			trips {
@@ -1277,7 +1273,7 @@ cpu7_crit: cpu-crit {
 
 		big-l2-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 8>;
 
 			trips {
@@ -1301,7 +1297,7 @@ l2_crit: l2-crit {
 
 		cpu0-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 9>;
 
 			trips {
@@ -1325,7 +1321,7 @@ cpu0_crit: cpu-crit {
 
 		gpu-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <1000>;
+
 			thermal-sensors = <&tsens 10>;
 
 			trips {

-- 
2.40.1