From patchwork Sat May 24 07:30:29 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Griffin X-Patchwork-Id: 893297 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD8771D130E for ; Sat, 24 May 2025 07:30:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748071854; cv=none; b=NpKrSYpA/1RVnoNDh2xdm4PuNuM5M1Umv0/YeogyvLY6tJdf+d2DfZmH+2/dAlJqmYVJSJeF7qsKSAUUU8P1T6oqWWMdJPuJ91juAjhOYbh54ytO9Zy3QMEaOnlxAdVV6Rsc+xTIw+8z4HfDhTvubdziHCZiMvfYS7IyjVb/Oms= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748071854; c=relaxed/simple; bh=O0HVjXkPpQ+hRZJ3BsTB4d4LrVlN7b2E11+rn3JSmv0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=n05AUjkzdUaLWJMbPx3qsBZ9XKnIJuqPEGGiKgvpRZikRxl+NHR8IPyah4Q/a3kvJgC4LDjkCDpg+CfK6hr/uj9gKMBVxRAAJ+bvgbup7eXbeypOfYJF7LbHC2T8htIMUeDTOQLvJjguQWOR+GfpenY+LwP9cef1yt7JmhbGd00= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=yZIWcg1h; arc=none smtp.client-ip=209.85.221.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="yZIWcg1h" Received: by mail-wr1-f49.google.com with SMTP id ffacd0b85a97d-3a3683d8314so436617f8f.3 for ; Sat, 24 May 2025 00:30:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1748071851; x=1748676651; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=ZmciNu0LzBJkCwAxE+xP2RniPnh6vstV6TXm+/dhXAk=; b=yZIWcg1hyQtW1nvlEACuGJ2992VIPKucVhU95FVk6ONlEV5lmYtSf5a2PMP31wfoVi SrIfeajHXpkUXR1a4Zw+qAfmppkMpVZyuKg4QzZFiFiw1NGiY0mgIIR55JYcRWr+HiXo CnXpMtAfWS1mXAdZDZgOga5b/PCsQFzcuCMa8/HcPrErjbqt4t1DduM/XfvbRhRq9mJx GWrp3tiG4vHQ2VbG1hMo0tVwUuzkekjqXmLbdD68mtk4lg3kRkgNDvuJXAjY9WT+Hy9b Ny/Gih81f0Z89JGN7NwU69PlLlT5UippC5pF1yJ8vAtRWEC/DYk4gdYisFCOOAhknCnh YMHQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1748071851; x=1748676651; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZmciNu0LzBJkCwAxE+xP2RniPnh6vstV6TXm+/dhXAk=; b=Cvigi0c+lsN/OVC4YaLGRZMpj8JE9iOhQCVJbZCuPc4GJydkm8cFHuh1ha4/Y+tu98 5TYdpWyAO85jEwBOlqOKuRCBV9i4t7KtQinoe4jG2ZoiHaBHa/yY8rS2hwTn1c49Ny4o Y56S96Vfw8Cqi5XRElF5VQ2532GUwFZrItR7/1g06b39OSFdhuCEUfKU7+814ijZ7530 YRP3hhvcv2ILjLJ4lbNNPoRjOuR81Qb4p+PiY92dGEcAcgb2e7TfSiNcP15BwreKd0jw BXfnAmh/31kxWEvlOZygEV5CrXoP00DB7dJB0StepDZDRZqoy9kOq1yYtbuQlOyhOcfr BvZw== X-Forwarded-Encrypted: i=1; AJvYcCWyK8Z/EOFHAAoDgQJUtsY+zzHC8A88x1xyclPbzOwrpebGSfVB56PgxTXEnEGikeC/wY9ay4QOMOcpzH9GAPIuCw==@vger.kernel.org X-Gm-Message-State: AOJu0YwivuebSuVQkKPummaWgLnilman+hpgJhcnIc+hlET11JC32Cfd /q29YFM2lD9+L2PMNy7OlKSYrk71LPiiWIgA/GS52+YDHMqlWtCBQidhN0SOo62Tgy0= X-Gm-Gg: ASbGncsBMeomjxnoNpR2I1wNAoIeKFUipCdHYuLIq0Q4YWid13KHfnNvQkgTUWMQN9T UiCJHGjUJD/c6h/QHhiS7K+VturwRIMXbXgfbq4QjJf13F/9VwkwCLl8noSfbw9Lnxyq5bqAIiC Xxgu6Cz8qGDCUa7IRsAmOWHs/FEwKi0azNPO/p3Ac59RQCnwETBe5e/QPuYPk6L7v1QxRGOO0K+ wP9TGErr2d8qxQtXcpKCvLE2hT8cAbeOeh3QMBDIK8dpaNUcrVRAZQo6YqAEpioD2Xz9i6Zx2RQ r/10CiVZr0ZxSeT0S3F786Gz0h7OZgGW3Yv8c7cbzpwXTZY1rNfB9BExr7UullfzERzjJBOakmJ RhHfhT64= X-Google-Smtp-Source: AGHT+IG3Ci8gKkZTNURWKOCr4Gya8iUahrzHV+bC1Sl6TvVnxfZLPGWzu66llvg0ow/aQlaOFzwp3g== X-Received: by 2002:a5d:5846:0:b0:3a4:bafb:adc0 with SMTP id ffacd0b85a97d-3a4cb47b7abmr1811022f8f.31.1748071851019; Sat, 24 May 2025 00:30:51 -0700 (PDT) Received: from gpeter-l.roam.corp.google.com ([212.105.145.168]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a3ca066eb7sm10924273f8f.2.2025.05.24.00.30.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 May 2025 00:30:50 -0700 (PDT) From: Peter Griffin Date: Sat, 24 May 2025 08:30:29 +0100 Subject: [PATCH 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: <20250524-gs101-cpuidle-v1-1-aea77a7842a6@linaro.org> References: <20250524-gs101-cpuidle-v1-0-aea77a7842a6@linaro.org> In-Reply-To: <20250524-gs101-cpuidle-v1-0-aea77a7842a6@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=2028; i=peter.griffin@linaro.org; h=from:subject:message-id; bh=YOBJe4JQl9jqFc/zsJIf4PxMvh4EMREF5cXBQbIBA7Y=; b=owEBbQKS/ZANAwAKAc7ouNYCNHK6AcsmYgBoMXWmsxp9Uy82tClf5s61NuoYnyaOBZdxLp10l q7TTH3NYf+JAjMEAAEKAB0WIQQO/I5vVXh1DVa1SfzO6LjWAjRyugUCaDF1pgAKCRDO6LjWAjRy unU1D/41OXg9QXtmWQJnnjdXLGulkJ+wCDBdcRAn/wUh2RWSgqGI02bMgMVihzdJcnJOfG03Lp+ vd0CGC1CeypVlnLzTodx/ofUrU0SYY50EDhSOWuA6yDvWXgcDup2GhJ/MRvt/nhjIQneh+9GXOD rlp4sDeeR6pJ9pbI4hCOjzy1RWeFJMuxJR3kZGaGqQiDvvgzTssrQ8aJJTT89IpZoK+I8ooyeKt xD5Pe04SyIDpMLDsZu4x7Evzir+odIOOvKtRBYltVZ6BSfKWvKnj+bdsuleQ1aKZTooZP2uW2yd 4qjuklYJkwWSXKFW6NrexhoCQ3m3TBNBDjaTdf/34gjH6WgafDWNcdkkqsX8kHEgmDnYhYK6nsB cT8AXkiRVkDeFd26OR99bnDq3i08Kb89ctFbCe2kXkvo2eJvkmGehf6cdbSN2LJdgjpZmGHuWcz l2ySFBhvJqaNA49ISF1qiuYfGVBxFqUdXcYNLAOnui5t4CbovkkDOfVsZqlSPIR/vFpNvRhBEhz 45XNa1nnj+I1OK4L273LmA9tu0ckNz9X1pOZ2XLwzGCKywqoaCS7/IiLHosXLV55KaF4qw8VUQ1 xUFN1BBPhlGZK0ubJgKgMV0EbOI6Wsu0aDfhxmuGKvsJHrXhT9Ov7+PeO15/9aECA/bZHxLKEHQ lEnnr4kQ1D4CV5g== 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>;