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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-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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; a=openpgp-sha256; l=2031; i=peter.griffin@linaro.org; h=from:subject:message-id; bh=GNkE/x3QELPf9uEv5AeKZxVXHxNGOdHNzMbUcWU+Scg=; b=owEBbQKS/ZANAwAKAc7ouNYCNHK6AcsmYgBoSU2k/uEPXjihPn+w3dlTSEkJlfoWeDSKU0p9w 37LXIXg2GqJAjMEAAEKAB0WIQQO/I5vVXh1DVa1SfzO6LjWAjRyugUCaElNpAAKCRDO6LjWAjRy uoFuD/4rGwT+igTL4ZuLmclGc7CRg4Sw/1TwTnyN/BTh71f9GewP9YV0B5cusbH9f98FQClTs3t wlhpRQ5saF4lj4s9lSZqT9xYZvQ3Hh4gEBANrlSHI9jnXEFC9JNHy3JquCOrca1+a42gelFj9sb Gwu8TyFvQAepHFY2wcimsvIge+tM2W30YChXX3EPhlIrCLyqS1d5FwrI7j+1mt/OQpPBTaoKqFU ysYc9R9aFw6gnrpcAMNEH1Bvn5AhE60ANyd+o31h1vsELt8qaXTZF9GLhX3H9kDN8wowQnEg3MX iWjNvc4j7U4jLJ6RgQHVuk/jy0KodAYRcG4LcygKwimHECJFP8KYpg/SKV80OC1rSm6hWTL3PlZ AOFlU121+clnRJpOrm0BF9qIqDCqiAg/cO2V/X1stE7AoGqwTpEg0Df4zhhtDS3Zmvpw77XlsYT xxt41j0W2Q9AtOtn2qzPZ18SKm5mgWJA1xpYqxolsUIowr5acU7awSS58TA2RNoT9LizOZira5S sUQLhrud89K8X86RnjbzXCu+fmNwUFxJ711+rPE2rblTKwO7YakhcPKGHIUQyFo3ehSfGYMnmcr YbgwwmBbfsaChKEWGs8WHBP8caa8+CcpJpodG/ZfdNCpFsm3R1o6l3gak+Ohm2qCH/WG2bN3ctV fCxBW9dBst6tT8Q== X-Developer-Key: i=peter.griffin@linaro.org; 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/+/a896fd98638047989513d05556faebd28a62b27c] 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..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>;