From nobody Sun Dec 7 16:48:54 2025 Received: from mail-ej1-f47.google.com (mail-ej1-f47.google.com [209.85.218.47]) (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 9BF2F2DEA70 for ; Mon, 6 Oct 2025 16:43:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.47 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759769017; cv=none; b=rOk6XkfbfbvjKgXZy+mI1XIcauo04XZHTHQ9TzFTfuyIulCVgO33SkuWdN6Npht47u5WhNbHnJtqRAKriUYzpwa9pUiinUYttrikF0KT4+yogcjW3FpvSPQGOOc+GkCerC7HLaUUBOlyhZg1blDTdnvQHihCbS+14l1wHQRQdQc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759769017; c=relaxed/simple; bh=lQFRfvIZm2QIrTnGZIlapJJgk3a/yMVJrj+Qv49vZDg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RY6vbVEpcM001OkqJtdtM0xBSONzgyI0N6b7OUxmakWZ6MlcKdVl5neQ3QgZw63rGpo7sqOaMrdksPrrMZAIGG6vFJ2nHtZHeDUa48LlRmMRUDhI7j5uIlqhp7hlRorJp4mbZ6zh+MJX6R6JYyKSSOWzVtaAAA45dfu1akghCLU= 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=bDDj6WTE; arc=none smtp.client-ip=209.85.218.47 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="bDDj6WTE" Received: by mail-ej1-f47.google.com with SMTP id a640c23a62f3a-b00a9989633so671101366b.0 for ; Mon, 06 Oct 2025 09:43:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1759769012; x=1760373812; 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=I0ZdGtbeD0twmfxFXcR2wb4AL4tjk6OMYa00kx/YCo4=; b=bDDj6WTEUFAoTklqJxVyDFsSrH4c+YN3JvKDUER3xlvL5UmJaTyfGwZX8NDgkpsiWx 4327LWkeZOszgVNWFiriEPxcmMp/vPygim+aDK/yxc+IJjy/2B5T068WC6CtcGZWk6Nh Wou9zwNO5IFbdkTMzJN47xuKCwM+RXub76teAKKn+SJrvtUud7TRqiJhcFgJaEkvSqQ7 zKLiVl0jRoNTUuLU7N8MHhrEE0Og6VEDAVAmNY7GifQiFCVVZCMjz4VvCbxqNGwKtj/i l2RWah3LIWmC27du6gLgY5I1ttGf0SU1QUtNZg9OTxNllQyehnDER81MWs5kV4Ao5gwU T5rQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759769012; x=1760373812; 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=I0ZdGtbeD0twmfxFXcR2wb4AL4tjk6OMYa00kx/YCo4=; b=m1qLOTuJ7hF0HwMhs0yyBVtdVgQ16fB908EF7fq6xwQG31Oj78Yp5YMlluTIEq/oLa 9YCYENBDI5PPHyp2Nrnm/icsERmZBqO380Om6BMuyWkEJI7TouJj0p/++zaBI79AKqmz WjkreVZmJ0rHLrKZ0qIsc87WQf6bikDUKdAHmu0sRDqUJF6iu1Q1LYcKqjgiZ6bwgpub KEK7pNTiv28eQ3KoS5aLxqcjkood/xr0idmIs3baAyrdcKrvuCYaDUUC7FwfcoGBMh8L V4yI4sVlvyC9/8+hR81BpiJ7FYLv/+rM7+ZpQL8GFQJn1gRzj/xUM04KDMCm3+b8HIVT /N5Q== X-Forwarded-Encrypted: i=1; AJvYcCUzCYPziDnNhmtcOYmyMWrT2kDhoopzBmBmqRUjkOqQll4tmEjCGUbNoXKTGDu1aK852WmN795jYIZopfU=@vger.kernel.org X-Gm-Message-State: AOJu0Yxu3bmt3lYluMzCsXqP0U82ZteiTNBPcFJi+yWjSWVvALpkq4fk zVZIk2K6zQVDk/Ds+Czy3jKqTu9D0J5324V6sA0Vmf8DRdxWp3d5d52psafxcEKDwAs= X-Gm-Gg: ASbGncuuilr1HvdcHMzw18CFKh7imhPJPCU1elK3DJUehdW1/xQlrBFv/4H62H4RoDs G+1WA4IGCljJa8BomMJEkv2upyeOXdQmezo7M2+CmH8+Qd7+Z89JefNR7OaO/t2tcGbKskJegr8 OAktY6inlzLR88z5Qf9ERBdpCt4GCjYml8QrfetuXrqgspGBBoBAPd2jVU9c1pIHJqwcjzYna6X d9/AurhKyBzstyy5x5C2SPc1J/q7d4LnDJj/QXcf6bSsBZfqjmNmL0NGXYWeanwLx+u6KuIMrAY nj8LMw9RONUUNTheCy+OMkaSiviGiWho155MJogWbvELC48/2e261USKHPv7mApF5Sta3EraFkU 8nFghyPH2tY8QuAA1kcuAYrRZqPaBQYuOsua8U9CdpEKHepvCqGVJQerFxrn1gr23iE3c4r7HDX uDriCZtUkr8+7X/67XFBt3pQXGsXWXs6FdtvpfCHLCqzbNXPM9eGQ= X-Google-Smtp-Source: AGHT+IEYfOZF1TQm9DGlW5kpM0S9/tKDSRvPCFa/7dsa/gaWYvJTuZDOfU68MoruhNwe6zCqc77lsg== X-Received: by 2002:a17:907:a710:b0:b27:edf1:f638 with SMTP id a640c23a62f3a-b4f43106a07mr28397966b.23.1759769011758; Mon, 06 Oct 2025 09:43:31 -0700 (PDT) Received: from puffmais2.c.googlers.com (224.138.204.35.bc.googleusercontent.com. [35.204.138.224]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b48652aa01esm1193841866b.2.2025.10.06.09.43.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Oct 2025 09:43:31 -0700 (PDT) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Mon, 06 Oct 2025 17:43:33 +0100 Subject: [PATCH 07/10] pmdomain: samsung: selectively handle enforced sync_state 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: <20251006-gs101-pd-v1-7-f0cb0c01ea7b@linaro.org> References: <20251006-gs101-pd-v1-0-f0cb0c01ea7b@linaro.org> In-Reply-To: <20251006-gs101-pd-v1-0-f0cb0c01ea7b@linaro.org> To: Krzysztof Kozlowski , Alim Akhtar , Rob Herring , Conor Dooley , Krzysztof Kozlowski , Ulf Hansson Cc: Peter Griffin , Tudor Ambarus , Will McVicker , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.2 Unconditionally calling of_genpd_sync_state() causes issues on platforms with child domains as the parent domain will be turned off before the child domain was even registered during boot. This in particular is an issue for the upcoming Google gs101 support - all operations on child domains registered after the parent domain misbehave. Add a flag to the probe data to be able to sync_state conditionally only, and enable that flag on the two platforms currently supported by this driver. Signed-off-by: Andr=C3=A9 Draszik --- drivers/pmdomain/samsung/exynos-pm-domains.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pmdomain/samsung/exynos-pm-domains.c b/drivers/pmdomai= n/samsung/exynos-pm-domains.c index 638d286b57f716140b2401092415644a6805870e..5a87802cff394945cb0202d08f2= cf6bcbbcc774d 100644 --- a/drivers/pmdomain/samsung/exynos-pm-domains.c +++ b/drivers/pmdomain/samsung/exynos-pm-domains.c @@ -20,6 +20,7 @@ struct exynos_pm_domain_config { /* Value for LOCAL_PWR_CFG and STATUS fields for each domain */ u32 local_pwr_cfg; + unsigned int need_early_sync_state:1; }; =20 /* @@ -69,10 +70,12 @@ static int exynos_pd_power_off(struct generic_pm_domain= *domain) =20 static const struct exynos_pm_domain_config exynos4210_cfg =3D { .local_pwr_cfg =3D 0x7, + .need_early_sync_state =3D true, }; =20 static const struct exynos_pm_domain_config exynos5433_cfg =3D { .local_pwr_cfg =3D 0xf, + .need_early_sync_state =3D true, }; =20 static const struct of_device_id exynos_pm_domain_of_match[] =3D { @@ -179,7 +182,7 @@ static int exynos_pd_probe(struct platform_device *pdev) * reset during boot. As a temporary hack to manage this, let's enforce * a sync_state. */ - if (!ret) + if (pm_domain_cfg->need_early_sync_state && !ret) of_genpd_sync_state(np); =20 pm_runtime_enable(dev); --=20 2.51.0.618.g983fd99d29-goog