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Wed, 11 Jun 2025 02:34:33 -0700 (PDT) From: Peter Griffin Date: Wed, 11 Jun 2025 10:34:25 +0100 Subject: [PATCH v2 1/2] arm64: dts: exynos: gs101: Add 'local-timer-stop' to cpuidle nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250611-gs101-cpuidle-v2-1-4fa811ec404d@linaro.org> References: <20250611-gs101-cpuidle-v2-0-4fa811ec404d@linaro.org> In-Reply-To: <20250611-gs101-cpuidle-v2-0-4fa811ec404d@linaro.org> To: =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Krzysztof Kozlowski Cc: William Mcvicker , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@android.com, Peter Griffin , Will Deacon , Youngmin Nam X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=0EFC8E6F5578750D56B549FCCEE8B8D6023472BA From: Will Deacon 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 [Original commit from https://android.googlesource.com/kernel/gs/+/a896fd98= 638047989513d05556faebd28a62b27c] Signed-off-by: Will McVicker Reviewed-by: Youngmin Nam Tested-by: Youngmin Nam Fixes: ea89fdf24fd9 ("arm64: dts: exynos: google: Add initial Google gs101 = SoC support") Signed-off-by: Peter Griffin --- arch/arm64/boot/dts/exynos/google/gs101.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot= /dts/exynos/google/gs101.dtsi index 48c691fd0a3ae430b5d66b402610d23b72b144d7..94aa0ffb9a9760c58818c041700= 1fd187b048ea8 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 =3D "c2"; compatible =3D "arm,idle-state"; arm,psci-suspend-param =3D <0x0010000>; + local-timer-stop; entry-latency-us =3D <70>; exit-latency-us =3D <160>; min-residency-us =3D <2000>; @@ -164,6 +165,7 @@ enyo_cpu_sleep: cpu-enyo-sleep { idle-state-name =3D "c2"; compatible =3D "arm,idle-state"; arm,psci-suspend-param =3D <0x0010000>; + local-timer-stop; entry-latency-us =3D <150>; exit-latency-us =3D <190>; min-residency-us =3D <2500>; @@ -173,6 +175,7 @@ hera_cpu_sleep: cpu-hera-sleep { idle-state-name =3D "c2"; compatible =3D "arm,idle-state"; arm,psci-suspend-param =3D <0x0010000>; + local-timer-stop; entry-latency-us =3D <235>; exit-latency-us =3D <220>; min-residency-us =3D <3500>; --=20 2.50.0.rc1.591.g9c95f17f64-goog