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]
Date: Fri, 10 May 2024 13:59:40 +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 17/31] arm64: dts: qcom: sc7280-*: 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/pm7250b.dtsi              |  1 -
 arch/arm64/boot/dts/qcom/pm7325.dtsi               |  2 +-
 arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 14 +++----
 arch/arm64/boot/dts/qcom/sc7280.dtsi               | 45 ----------------------
 4 files changed, 8 insertions(+), 54 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/pm7250b.dtsi b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
index 3bf7cf5d1700..b5989fb4ccc0 100644
--- a/arch/arm64/boot/dts/qcom/pm7250b.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm7250b.dtsi
@@ -11,7 +11,6 @@ / {
 	thermal-zones {
 		pm7250b-thermal {
 			polling-delay-passive = <100>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&pm7250b_temp>;
 
diff --git a/arch/arm64/boot/dts/qcom/pm7325.dtsi b/arch/arm64/boot/dts/qcom/pm7325.dtsi
index d1c5476af5ee..6e29468505b2 100644
--- a/arch/arm64/boot/dts/qcom/pm7325.dtsi
+++ b/arch/arm64/boot/dts/qcom/pm7325.dtsi
@@ -35,7 +35,7 @@ pm7325_gpios: gpio@...0 {
 &thermal_zones {
 	pm7325_thermal: pm7325-thermal {
 		polling-delay-passive = <100>;
-		polling-delay = <0>;
+
 		thermal-sensors = <&pm7325_temp_alarm>;
 
 		trips {
diff --git a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
index f3432701945f..30b8a49528f8 100644
--- a/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
+++ b/arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts
@@ -167,7 +167,7 @@ afvdd_2p8: regulator-afvdd-2p8 {
 	thermal-zones {
 		camera-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pmk8350_adc_tm 2>;
 
 			trips {
@@ -181,7 +181,7 @@ active-config0 {
 
 		chg-skin-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pm7250b_adc_tm 0>;
 
 			trips {
@@ -195,7 +195,7 @@ active-config0 {
 
 		conn-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pm7250b_adc_tm 1>;
 
 			trips {
@@ -209,7 +209,7 @@ active-config0 {
 
 		quiet-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pmk8350_adc_tm 1>;
 
 			trips {
@@ -223,7 +223,7 @@ active-config0 {
 
 		rear-cam-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pmk8350_adc_tm 4>;
 
 			trips {
@@ -237,7 +237,7 @@ active-config0 {
 
 		sdm-skin-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pmk8350_adc_tm 3>;
 
 			trips {
@@ -251,7 +251,7 @@ active-config0 {
 
 		xo-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
+
 			thermal-sensors = <&pmk8350_adc_tm 0>;
 
 			trips {
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index fc9ec367e3a5..6fc5f9cd3591 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -5994,7 +5994,6 @@ cpufreq_hw: cpufreq@...91000 {
 	thermal_zones: thermal-zones {
 		cpu0-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 1>;
 
@@ -6038,7 +6037,6 @@ map1 {
 
 		cpu1-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 2>;
 
@@ -6082,7 +6080,6 @@ map1 {
 
 		cpu2-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 3>;
 
@@ -6126,7 +6123,6 @@ map1 {
 
 		cpu3-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 4>;
 
@@ -6170,7 +6166,6 @@ map1 {
 
 		cpu4-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 7>;
 
@@ -6214,7 +6209,6 @@ map1 {
 
 		cpu5-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 8>;
 
@@ -6258,7 +6252,6 @@ map1 {
 
 		cpu6-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 9>;
 
@@ -6302,7 +6295,6 @@ map1 {
 
 		cpu7-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 10>;
 
@@ -6346,7 +6338,6 @@ map1 {
 
 		cpu8-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 11>;
 
@@ -6390,7 +6381,6 @@ map1 {
 
 		cpu9-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 12>;
 
@@ -6434,7 +6424,6 @@ map1 {
 
 		cpu10-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 13>;
 
@@ -6478,7 +6467,6 @@ map1 {
 
 		cpu11-thermal {
 			polling-delay-passive = <250>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 14>;
 
@@ -6522,7 +6510,6 @@ map1 {
 
 		aoss0-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 0>;
 
@@ -6543,7 +6530,6 @@ aoss0_crit: aoss0-crit {
 
 		aoss1-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens1 0>;
 
@@ -6564,7 +6550,6 @@ aoss1_crit: aoss1-crit {
 
 		cpuss0-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 5>;
 
@@ -6584,7 +6569,6 @@ cpuss0_crit: cluster0-crit {
 
 		cpuss1-thermal {
 			polling-delay-passive = <0>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens0 6>;
 
@@ -6604,7 +6588,6 @@ cpuss1_crit: cluster0-crit {
 
 		gpuss0-thermal {
 			polling-delay-passive = <100>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens1 1>;
 
@@ -6632,7 +6615,6 @@ map0 {
 
 		gpuss1-thermal {
 			polling-delay-passive = <100>;
-			polling-delay = <0>;
 
 			thermal-sensors = <&tsens1 2>;
 
@@ -6659,9 +6641,6 @@ map0 {
 		};
 
 		nspss0-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 3>;
 
 			trips {
@@ -6680,9 +6659,6 @@ nspss0_crit: nspss0-crit {
 		};
 
 		nspss1-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 4>;
 
 			trips {
@@ -6701,9 +6677,6 @@ nspss1_crit: nspss1-crit {
 		};
 
 		video-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 5>;
 
 			trips {
@@ -6722,9 +6695,6 @@ video_crit: video-crit {
 		};
 
 		ddr-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 6>;
 
 			trips {
@@ -6743,9 +6713,6 @@ ddr_crit: ddr-crit {
 		};
 
 		mdmss0-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 7>;
 
 			trips {
@@ -6764,9 +6731,6 @@ mdmss0_crit: mdmss0-crit {
 		};
 
 		mdmss1-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 8>;
 
 			trips {
@@ -6785,9 +6749,6 @@ mdmss1_crit: mdmss1-crit {
 		};
 
 		mdmss2-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 9>;
 
 			trips {
@@ -6806,9 +6767,6 @@ mdmss2_crit: mdmss2-crit {
 		};
 
 		mdmss3-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 10>;
 
 			trips {
@@ -6827,9 +6785,6 @@ mdmss3_crit: mdmss3-crit {
 		};
 
 		camera0-thermal {
-			polling-delay-passive = <0>;
-			polling-delay = <0>;
-
 			thermal-sensors = <&tsens1 11>;
 
 			trips {

-- 
2.40.1


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ