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Subject[PATCH] arm64: dts: qcom: sdm845: Support ETMv4 power management
Date
Add "arm,coresight-loses-context-with-cpu" property to coresight
ETM nodes to avoid failure of trace session because of losing
context on entering deep idle states.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
---
arch/arm64/boot/dts/qcom/sdm845.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index e506793407d8..0b5f063dcaea 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -3016,6 +3016,7 @@ etm@7040000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3035,6 +3036,7 @@ etm@7140000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3054,6 +3056,7 @@ etm@7240000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3073,6 +3076,7 @@ etm@7340000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3092,6 +3096,7 @@ etm@7440000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3111,6 +3116,7 @@ etm@7540000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3130,6 +3136,7 @@ etm@7640000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
@@ -3149,6 +3156,7 @@ etm@7740000 {

clocks = <&aoss_qmp>;
clock-names = "apb_pclk";
+ arm,coresight-loses-context-with-cpu;

out-ports {
port {
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
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