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[147.75.80.249]) by mx.google.com with ESMTPS id h13-20020a056402280d00b0055338ce8e90si6240618ede.610.2023.12.27.01.05.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Dec 2023 01:05:18 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-11921-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=KfAID2nW; spf=pass (google.com: domain of linux-kernel+bounces-11921-ouuuleilei=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-11921-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 63B971F22E16 for ; Wed, 27 Dec 2023 09:05:18 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 8418F28E34; Wed, 27 Dec 2023 09:05:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="KfAID2nW" X-Original-To: linux-kernel@vger.kernel.org Received: from mail-oi1-f176.google.com (mail-oi1-f176.google.com [209.85.167.176]) (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 80EE511CA0 for ; Wed, 27 Dec 2023 09:05:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Received: by mail-oi1-f176.google.com with SMTP id 5614622812f47-3bb968c02baso2090557b6e.0 for ; Wed, 27 Dec 2023 01:05:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1703667902; x=1704272702; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Gh+MDHeylaYTMq4wSIWSzHh+ySX+XFDhtKTfmG0mb0s=; b=KfAID2nWp+FAo6dxzCwLnz/w2gW8KRKjCIr5eMjma6da9w9VCc/laWdEbB7FuwAuI2 2SgsjHjgc05nLLFraxCutTIFz/CC7kQ3Qt8enL2t575/hUF3E/h7AV2khjoBn2LNQ47m S/qjbG/+sHDZs5K5FTbHlGuI0oiWI7qoGN6Gs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703667902; x=1704272702; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Gh+MDHeylaYTMq4wSIWSzHh+ySX+XFDhtKTfmG0mb0s=; b=ArC4S6UTZVVPRx1SCpM6uiHHgITiav/L4Ty2JRI4hVVcs1wMXkkhQz7NNmFSqsoKHl /BIDSzLzOaRAsjFw2jHyMik1goZVishHcGysKuQ9n+No1EKUbj8S41kPj/NR7EAqlVnj vkb8VJoEdrcW3FdMWOL+Mb+XFthLGneKnGZibJQPb+RT3MHAzxDrSNhnaMrHArkq79tS t4qlPL+ext5s4MMsqx2hJYXAWLsUT9EBzi82S6MQEggVkA2qEGFFvWsH5YQvPpBt5PVG bQADL9iXExwoWJmqtn/ttrstIKi7L1GAx1Jc3AtmjmwlMq1omOxHS4b7V5YVo1JZTJW4 XXeQ== X-Gm-Message-State: AOJu0YxjPbHHHmTCO4lDB92uK8A+NxvvrnbDO3zbeUCngH/0I5I8zMrN Wd2NOgVGAc4JcY+8LO5bvdDYPFqYZDzc X-Received: by 2002:a05:6358:4309:b0:173:24:b26b with SMTP id r9-20020a056358430900b001730024b26bmr4007487rwc.25.1703667902493; Wed, 27 Dec 2023 01:05:02 -0800 (PST) Received: from treapking.tpe.corp.google.com ([2401:fa00:1:10:18d2:7869:e8b9:f4e4]) by smtp.gmail.com with ESMTPSA id v22-20020a056a00149600b006d9b65d1a8esm5347701pfu.28.2023.12.27.01.05.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Dec 2023 01:05:02 -0800 (PST) From: Pin-yen Lin To: Michael Turquette , Stephen Boyd , Matthias Brugger , AngeloGioacchino Del Regno Cc: Pin-yen Lin , linux-mediatek@lists.infradead.org, linux-clk@vger.kernel.org, Chen-Yu Tsai , linux-kernel@vger.kernel.org, Weiyi Lu , linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] clk: mediatek: Introduce need_pm_runtime to mtk_clk_desc Date: Wed, 27 Dec 2023 17:04:42 +0800 Message-ID: <20231227090448.2216295-1-treapking@chromium.org> X-Mailer: git-send-email 2.43.0.472.g3155946c3a-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1786425291206730622 X-GMAIL-MSGID: 1786425291206730622 Introduce a new need_pm_runtime variable to mtk_clk_desc to indicate this clock needs a runtime PM get during the probing stage. Signed-off-by: Pin-yen Lin --- drivers/clk/mediatek/clk-mtk.c | 15 +++++++++++++++ drivers/clk/mediatek/clk-mtk.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index 2e55368dc4d8..c31e535909c8 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include "clk-mtk.h" @@ -494,6 +495,14 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev, return IS_ERR(base) ? PTR_ERR(base) : -ENOMEM; } + + if (mcd->need_runtime_pm) { + devm_pm_runtime_enable(&pdev->dev); + r = pm_runtime_resume_and_get(&pdev->dev); + if (r) + return r; + } + /* Calculate how many clk_hw_onecell_data entries to allocate */ num_clks = mcd->num_clks + mcd->num_composite_clks; num_clks += mcd->num_fixed_clks + mcd->num_factor_clks; @@ -574,6 +583,9 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev, goto unregister_clks; } + if (mcd->need_runtime_pm) + pm_runtime_put(&pdev->dev); + return r; unregister_clks: @@ -604,6 +616,9 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev, free_base: if (mcd->shared_io && base) iounmap(base); + + if (mcd->need_runtime_pm) + pm_runtime_put(&pdev->dev); return r; } diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index 22096501a60a..c17fe1c2d732 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -237,6 +237,8 @@ struct mtk_clk_desc { int (*clk_notifier_func)(struct device *dev, struct clk *clk); unsigned int mfg_clk_idx; + + bool need_runtime_pm; }; int mtk_clk_pdev_probe(struct platform_device *pdev);