From patchwork Mon Nov 18 02:24:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 13878038 Received: from mail-wr1-f45.google.com (mail-wr1-f45.google.com [209.85.221.45]) (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 E186F558A5 for ; Mon, 18 Nov 2024 02:24:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.45 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731896682; cv=none; b=jxK9fBofQxCe/ZyMuV6p1+cBXEvKdN0KQ/fD1M7hAAswFcrJj50IG+8+zZuJj0jyPZNJiGm4Nzb+kTEHRVk6x2VImmC0Iti6PBVY913ZQ8lAqE+AvBSxvbaC62Gg/fBTN0/+e/GTs/6WBZPevwFpYKNt2xei+j2LSdvYq5TtwVc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731896682; c=relaxed/simple; bh=4A7Nlfh/Wzmyb8Sqa9yNc0VHqXNcgy/cxKUPLI57RVA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bmunRN9pj86BZupuHFJwr+aMWK12KMjhRy/KSztMoxKLq5rywUEoPGitTobkCUVi7rmz+JPVSFV4gn72/WmoUobM4xMvwATujeHKf/u1RtxpZyBF88VOqZc1X7YUEfumeR1qRw3HVtyHDlPsMGlxfkiAaULlUzCP63UmXNKA5SQ= 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=AiO2ilLs; arc=none smtp.client-ip=209.85.221.45 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="AiO2ilLs" Received: by mail-wr1-f45.google.com with SMTP id ffacd0b85a97d-3822ec43fb0so1800919f8f.3 for ; Sun, 17 Nov 2024 18:24:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1731896679; x=1732501479; 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=4iGkwvgZgVeZ73yqZCKTsgB+AcLdw1tSbIMHtFSZKEQ=; b=AiO2ilLsmVmpBsxZ1sKeWV8PocTybMVIr4LSRIDNyPu0In7j6S0HVRzK1Xv0Z4CvBR AkkTLBjueU6qEe9XF3GAGMton1IyNmp9ju+9Nagmw9HWpnYii3QEK0hCWddk1+Bq0dCW L6yqthDFgOpZjnBYtwT++1Yp903FTjEW0208SqEPiKY4l8/FmN/dt3o0HlNcLWCNUsve 2a9NC8FH3bh7OP/ECqB/H0kymz8jtWNsQkgj5lt7wbXC8GNqWzfIPiNBHchpTvm0hVDp /q6fV3xL78Ya3ilWmlPYX3dQNRf/sV3f+r5HD0fRR1VESOCTDdrI/Q3KQ0YS9cPfgsPs znAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731896679; x=1732501479; 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=4iGkwvgZgVeZ73yqZCKTsgB+AcLdw1tSbIMHtFSZKEQ=; b=aO37k6oQa2mj9giokHPyyqXyei/aPyfoFbhCsE8c5niPqPa8nRfsijDZIOP+euUrGW DbaghUm2G4GMbcnGCgPW1/H303BCqFdfi4RpQEeF4b9xtowpO1yTeXmLjIfcd2HQ/YuA 7oSKlYZKXMq/Ep4jPn6rxvHF4pIZU7qUrnIigK1tn8eH2HLpAghQ4R9pT2iSh310rwT0 cpPVqyry5bgkbsIPCKTKQSyAY4HMwA4Q+u0cSRthZjCVzS+9PjQCOX1zcdwV+FTUWHCs JeQRdEoA2FmRkFYrAOU93tn4X4yyLouTWFAnRIUKQj+KaWZB4rf4sCgn2l0KBOrOVfCP 8D6A== X-Gm-Message-State: AOJu0YwlO0F2dMSKPyLHmrdjMx3QRQ2xEe5TREFqazeFcWsnjRX67BrJ RrzOjymI1zm37O8pXSEMY+gxyW8ZPFsEIiRqMYaYhDpH4TuOyPc7JeEG5w/skvevqGG8Y+UvIPG DHSM= X-Google-Smtp-Source: AGHT+IFdCwt308Q7rR5HQPTUr0kdBp0HSjUA+z9CSb7a6F9Yj/68W8pIPqC2Zj4QRv6VV5zlTYUhOg== X-Received: by 2002:a05:6000:1a8c:b0:37d:4657:ea7d with SMTP id ffacd0b85a97d-38225aafc3bmr6924217f8f.49.1731896679328; Sun, 17 Nov 2024 18:24:39 -0800 (PST) Received: from [127.0.1.1] ([176.61.106.227]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3821ada2e35sm11387902f8f.5.2024.11.17.18.24.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 Nov 2024 18:24:38 -0800 (PST) From: Bryan O'Donoghue Date: Mon, 18 Nov 2024 02:24:33 +0000 Subject: [PATCH 2/2] clk: qcom: gdsc: Add pm_runtime hooks Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241118-b4-linux-next-24-11-18-clock-multiple-power-domains-v1-2-b7a2bd82ba37@linaro.org> References: <20241118-b4-linux-next-24-11-18-clock-multiple-power-domains-v1-0-b7a2bd82ba37@linaro.org> In-Reply-To: <20241118-b4-linux-next-24-11-18-clock-multiple-power-domains-v1-0-b7a2bd82ba37@linaro.org> To: Bjorn Andersson , Michael Turquette , Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Bryan O'Donoghue X-Mailer: b4 0.15-dev-355e8 Introduce pm_runtime_get() and pm_runtime_put_sync() on the gdsc_toggle_logic(). This allows for the switching of the GDSC on/off to propagate to the parent clock controller and consequently for any list of power-domains powering that controller to be switched on/off. Signed-off-by: Bryan O'Donoghue --- drivers/clk/qcom/gdsc.c | 26 ++++++++++++++++++-------- drivers/clk/qcom/gdsc.h | 2 ++ 2 files changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c index fa5fe4c2a2ee7786c2e8858f3e41301f639e5d59..ff5df942147f87e0df24a70cf9ee53bb2df36e54 100644 --- a/drivers/clk/qcom/gdsc.c +++ b/drivers/clk/qcom/gdsc.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -141,10 +142,14 @@ static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status, { int ret; - if (status == GDSC_ON && sc->rsupply) { - ret = regulator_enable(sc->rsupply); - if (ret < 0) - return ret; + if (status == GDSC_ON) { + if (sc->rsupply) { + ret = regulator_enable(sc->rsupply); + if (ret < 0) + return ret; + } + if (pm_runtime_enabled(sc->dev)) + pm_runtime_resume_and_get(sc->dev); } ret = gdsc_update_collapse_bit(sc, status == GDSC_OFF); @@ -177,10 +182,14 @@ static int gdsc_toggle_logic(struct gdsc *sc, enum gdsc_status status, ret = gdsc_poll_status(sc, status); WARN(ret, "%s status stuck at 'o%s'", sc->pd.name, status ? "ff" : "n"); - if (!ret && status == GDSC_OFF && sc->rsupply) { - ret = regulator_disable(sc->rsupply); - if (ret < 0) - return ret; + if (!ret && status == GDSC_OFF) { + if (pm_runtime_enabled(sc->dev)) + pm_runtime_put_sync(sc->dev); + if (sc->rsupply) { + ret = regulator_disable(sc->rsupply); + if (ret < 0) + return ret; + } } return ret; @@ -544,6 +553,7 @@ int gdsc_register(struct gdsc_desc *desc, continue; scs[i]->regmap = regmap; scs[i]->rcdev = rcdev; + scs[i]->dev = dev; ret = gdsc_init(scs[i]); if (ret) return ret; diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h index 1e2779b823d1c8ca077c9b4cd0a0dbdf5f9457ef..71ca02c78c5d089cdf96deadc417982ad6079255 100644 --- a/drivers/clk/qcom/gdsc.h +++ b/drivers/clk/qcom/gdsc.h @@ -30,6 +30,7 @@ struct reset_controller_dev; * @resets: ids of resets associated with this gdsc * @reset_count: number of @resets * @rcdev: reset controller + * @dev: device associated with this gdsc */ struct gdsc { struct generic_pm_domain pd; @@ -74,6 +75,7 @@ struct gdsc { const char *supply; struct regulator *rsupply; + struct device *dev; }; struct gdsc_desc {