diff mbox series

[v2,1/2] arm64: dts: exynos: gs101: Add 'local-timer-stop' to cpuidle nodes

Message ID 20250611-gs101-cpuidle-v2-1-4fa811ec404d@linaro.org
State New
Headers show
Series Enable CPU Idle for gs101 | expand

Commit Message

Peter Griffin June 11, 2025, 9:34 a.m. UTC 
From: Will Deacon <willdeacon@google.com>

In preparation for switching to the architected timer as the primary
clockevents device, mark the cpuidle nodes with the 'local-timer-stop'
property to indicate that an alternative clockevents device must be
used for waking up from the "c2" idle state.

Signed-off-by: Will Deacon <willdeacon@google.com>
[Original commit from https://android.googlesource.com/kernel/gs/+/a896fd98638047989513d05556faebd28a62b27c]
Signed-off-by: Will McVicker <willmcvicker@google.com>
Reviewed-by: Youngmin Nam <youngmin.nam@samsung.com>
Tested-by: Youngmin Nam <youngmin.nam@samsung.com>
Fixes: ea89fdf24fd9 ("arm64: dts: exynos: google: Add initial Google gs101 SoC support")
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 3 +++
 1 file changed, 3 insertions(+)

Comments

Krzysztof Kozlowski June 18, 2025, 10:25 a.m. UTC | #1 
On Wed, 11 Jun 2025 10:34:25 +0100, Peter Griffin wrote:
> In preparation for switching to the architected timer as the primary
> clockevents device, mark the cpuidle nodes with the 'local-timer-stop'
> property to indicate that an alternative clockevents device must be
> used for waking up from the "c2" idle state.
> 
> 

Applied, thanks!

[1/2] arm64: dts: exynos: gs101: Add 'local-timer-stop' to cpuidle nodes
      https://git.kernel.org/krzk/linux/c/b649082312dd1a4c3989bbdb7c25eb711e9b1d94

Best regards,
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 48c691fd0a3ae430b5d66b402610d23b72b144d7..94aa0ffb9a9760c58818c0417001fd187b048ea8 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -155,6 +155,7 @@  ananke_cpu_sleep: cpu-ananke-sleep {
 				idle-state-name = "c2";
 				compatible = "arm,idle-state";
 				arm,psci-suspend-param = <0x0010000>;
+				local-timer-stop;
 				entry-latency-us = <70>;
 				exit-latency-us = <160>;
 				min-residency-us = <2000>;
@@ -164,6 +165,7 @@  enyo_cpu_sleep: cpu-enyo-sleep {
 				idle-state-name = "c2";
 				compatible = "arm,idle-state";
 				arm,psci-suspend-param = <0x0010000>;
+				local-timer-stop;
 				entry-latency-us = <150>;
 				exit-latency-us = <190>;
 				min-residency-us = <2500>;
@@ -173,6 +175,7 @@  hera_cpu_sleep: cpu-hera-sleep {
 				idle-state-name = "c2";
 				compatible = "arm,idle-state";
 				arm,psci-suspend-param = <0x0010000>;
+				local-timer-stop;
 				entry-latency-us = <235>;
 				exit-latency-us = <220>;
 				min-residency-us = <3500>;