From patchwork Wed Oct 25 13:30:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mateusz Majewski X-Patchwork-Id: 13436132 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E2D3C25B70 for ; Wed, 25 Oct 2023 13:31:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344648AbjJYNbH (ORCPT ); Wed, 25 Oct 2023 09:31:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344555AbjJYNaz (ORCPT ); Wed, 25 Oct 2023 09:30:55 -0400 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 732EC138 for ; Wed, 25 Oct 2023 06:30:53 -0700 (PDT) Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20231025133052euoutp020b5a00c6fda23b592013a5df326090d1~RXOAnkym91108811088euoutp020 for ; Wed, 25 Oct 2023 13:30:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20231025133052euoutp020b5a00c6fda23b592013a5df326090d1~RXOAnkym91108811088euoutp020 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1698240652; bh=z+drqHSTXutvqyghqqSngnAvaJMAvU0O0c1Ke0HntPc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sdoefb5rzBYfu4joDNDMvr+PxZzL2AfdlPG4l4lpjYuUwXOhfGRAdnbJYpW163kG5 4MVlRu4XLcVsOhoaTsIKWNF9+1Ce/hT5Ref9pfJCatBMfaPjHOHyPa4Q/ulw8RQkUL 7Mvq1qoH5Yc5VhIn/yyci0oS+Ben0XxhpAPPb2n4= Received: from eusmges3new.samsung.com (unknown [203.254.199.245]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20231025133051eucas1p15e5c88bdda3a341b45c84fc259234b93~RXOAOQyhN1623816238eucas1p1N; Wed, 25 Oct 2023 13:30:51 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges3new.samsung.com (EUCPMTA) with SMTP id 99.0B.37758.B8819356; Wed, 25 Oct 2023 14:30:51 +0100 (BST) Received: from eusmtrp1.samsung.com (unknown [182.198.249.138]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20231025133051eucas1p1e9ed4202abb45c5d2f738fdd213503ee~RXN-j3CTt1436614366eucas1p1p; Wed, 25 Oct 2023 13:30:51 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp1.samsung.com (KnoxPortal) with ESMTP id 20231025133051eusmtrp1659aa83e9230f2e56552a8b5f9d22858~RXN-jKaTf0869708697eusmtrp1w; Wed, 25 Oct 2023 13:30:51 +0000 (GMT) X-AuditID: cbfec7f5-815ff7000002937e-54-6539188b968a Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id 00.A8.10549.B8819356; Wed, 25 Oct 2023 14:30:51 +0100 (BST) Received: from AMDC4515.eu.corp.samsungelectronics.net (unknown [106.120.51.28]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20231025133050eusmtip2c8c8b9f20b0952930e64108434998a21~RXN_uTT0j1260512605eusmtip26; Wed, 25 Oct 2023 13:30:50 +0000 (GMT) From: Mateusz Majewski To: linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Mateusz Majewski , Bartlomiej Zolnierkiewicz , Krzysztof Kozlowski , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Alim Akhtar , Liam Girdwood , Mark Brown , Marek Szyprowski , Lukasz Luba Subject: [PATCH v4 3/8] thermal: exynos: switch from workqueue-driven interrupt handling to threaded interrupts Date: Wed, 25 Oct 2023 15:30:22 +0200 Message-ID: <20231025133027.524152-4-m.majewski2@samsung.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231025133027.524152-1-m.majewski2@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKKsWRmVeSWpSXmKPExsWy7djP87rdEpapBlMOGVg8mLeNzeLw/AqL qQ+fsFl833KdyWLeZ1mLva+3slt8u9LBZLHp8TVWi8u75rBZfO49wmgx4/w+JouFTS3sFhOP TWa2WHvkLrvF3C9TmS2ePOxjcxDwWDNvDaPHzll32T0W73nJ5LFpVSebx51re9g8Ni+p9+jb sorR4/MmuQCOKC6blNSczLLUIn27BK6MT5OOMxXskayY/OwJWwPjJNEuRg4OCQETiW+bArsY OTmEBFYwSqw6WtDFyAVkf2GUOHpzPxNE4jOjRPcJHRAbpH76tj52iKLljBIbD7cyQjitTBIn Wt6wg1SxCRhIPHizDMwWEWhllJjZpA5SxCzwlVni6uv5zCCrhQUKJWZuqwepYRFQlZj9sZcV xOYVsJU48+4QO8Q2eYk9i76DXcEpYCfRe/w6G0SNoMTJmU9YQGxmoJrmrbOZQeZLCHRzSlx6 94YZotlF4teENywQtrDEq+NboIbKSJye3AMVz5eYsfk9CyQoKiTuHvSCMK0lPp4Bu5JZQFNi /S59iGJHiZ6u08wQFXwSN94KQhzAJzFp23SoMK9ER5sQRLWqxPE9k6BOkZZ40nKbCcL2kHj+ +gnbBEbFWUhemYXklVkIexcwMq9iFE8tLc5NTy02zkst1ytOzC0uzUvXS87P3cQITGmn/x3/ uoNxxauPeocYmTgYDzFKcDArifBG+likCvGmJFZWpRblxxeV5qQWH2KU5mBREudVTZFPFRJI TyxJzU5NLUgtgskycXBKNTDNennCWbSr/LaBX/h/to5/91ojd669luzm2HZU6YBmhWZlRvXN nu/Pb/Otfh59uipjb6rn3NpDXzaYHnVhaTO7nGVmZcu68eWLJRyfrOdJ+XiLsUv4TX6/RsS9 pibfUvXXmmtP5i5QLWrKWZ/iqpdwY6bXmQgdy3Ui/9rO2FRwP5o1ZbHooSnKm5TP3vypd2l3 pU703PdPMhkqtux+ecL4/PKr22cttrnpmcb/SunN2ZdXljbkznydeXSrt9bNua5345OCXjUu PLE4fnme59OXfV/erXyduoFXZH/apOW9p2XcKk5YHJ1p6pwjxjdDxueHbYvR2gffbwvecLxU etS56/jW0KNZXfnxF3zkl6xXVWIpzkg01GIuKk4EAKUkfhvYAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrFIsWRmVeSWpSXmKPExsVy+t/xe7rdEpapBi0L2CwezNvGZnF4foXF 1IdP2Cy+b7nOZDHvs6zF3tdb2S2+Xelgstj0+BqrxeVdc9gsPvceYbSYcX4fk8XCphZ2i4nH JjNbrD1yl91i7pepzBZPHvaxOQh4rJm3htFj56y77B6L97xk8ti0qpPN4861PWwem5fUe/Rt WcXo8XmTXABHlJ5NUX5pSapCRn5xia1StKGFkZ6hpYWekYmlnqGxeayVkamSvp1NSmpOZllq kb5dgl7Gp0nHmQr2SFZMfvaErYFxkmgXIyeHhICJxPRtfexdjFwcQgJLGSXe/tzKBJGQljj8 ZQo7hC0s8edaFxtEUTOTxOYn/WwgCTYBA4kHb5aBdYsIdDJKdG0+B9bNLPCfWeLrTAUQW1gg X2L+xlPMIDaLgKrE7I+9rCA2r4CtxJl3h6A2yEvsWfQdrJdTwE6i9/h1sAVCQDUTOh6yQ9QL Spyc+YQFYr68RPPW2cwTGAVmIUnNQpJawMi0ilEktbQ4Nz232FCvODG3uDQvXS85P3cTIzAS tx37uXkH47xXH/UOMTJxMB5ilOBgVhLhjfSxSBXiTUmsrEotyo8vKs1JLT7EaAp090RmKdHk fGAqyCuJNzQzMDU0MbM0MLU0M1YS5/Us6EgUEkhPLEnNTk0tSC2C6WPi4JRqYErKZtAWLvP4 ovNRqXCduew0tib9C4EnNsdW+NU3NeiznGVey9SW4ZgzWWJr26ZeLgYOq8XnqydGsNjxBuzN u/rg+9+6zq9TpO7M8vmTwf6kbM+RIM7jlRuWpD3NVt8+SfmUqOCdLr7pjmZ/s5aLcksvnq86 TyKwJyU0PaNUYKWV3TPPwkyOl5+SrtpmOskxz9StevzS9nRex8a5YTq/8+X3ZZt17JOVK7vG +2Z99oakEzaPV1t4Ruap9m+x3lNx+ANj5FbuBTYncgUMPEK+PO3+svhOvmnljCsP1hbVVmj3 COb1b6n8HSUyLfnT2kfMaxvFPHkF1xkdSXyySkmvYbbpYmflxb332bgXT0xXYinOSDTUYi4q TgQAvCnIt00DAAA= X-CMS-MailID: 20231025133051eucas1p1e9ed4202abb45c5d2f738fdd213503ee X-Msg-Generator: CA X-RootMTR: 20231025133051eucas1p1e9ed4202abb45c5d2f738fdd213503ee X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20231025133051eucas1p1e9ed4202abb45c5d2f738fdd213503ee References: <20231025133027.524152-1-m.majewski2@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The workqueue boilerplate is mostly one-to-one what the threaded interrupts do. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Mateusz Majewski --- v1 -> v2: devm_request_threaded_irq call formatting change. drivers/thermal/samsung/exynos_tmu.c | 29 +++++++++------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 4ff32245d2a9..c144592d4584 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -142,7 +142,6 @@ enum soc_type { * @base_second: base address of the common registers of the TMU controller. * @irq: irq number of the TMU controller. * @soc: id of the SOC type. - * @irq_work: pointer to the irq work structure. * @lock: lock to implement synchronization. * @clk: pointer to the clock structure. * @clk_sec: pointer to the clock structure for accessing the base_second. @@ -175,7 +174,6 @@ struct exynos_tmu_data { void __iomem *base_second; int irq; enum soc_type soc; - struct work_struct irq_work; struct mutex lock; struct clk *clk, *clk_sec, *sclk; u32 cal_type; @@ -763,10 +761,9 @@ static int exynos7_tmu_read(struct exynos_tmu_data *data) EXYNOS7_TMU_TEMP_MASK; } -static void exynos_tmu_work(struct work_struct *work) +static irqreturn_t exynos_tmu_threaded_irq(int irq, void *id) { - struct exynos_tmu_data *data = container_of(work, - struct exynos_tmu_data, irq_work); + struct exynos_tmu_data *data = id; thermal_zone_device_update(data->tzd, THERMAL_EVENT_UNSPECIFIED); @@ -778,7 +775,8 @@ static void exynos_tmu_work(struct work_struct *work) clk_disable(data->clk); mutex_unlock(&data->lock); - enable_irq(data->irq); + + return IRQ_HANDLED; } static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data) @@ -812,16 +810,6 @@ static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data) writel(val_irq, data->base + tmu_intclear); } -static irqreturn_t exynos_tmu_irq(int irq, void *id) -{ - struct exynos_tmu_data *data = id; - - disable_irq_nosync(irq); - schedule_work(&data->irq_work); - - return IRQ_HANDLED; -} - static const struct of_device_id exynos_tmu_match[] = { { .compatible = "samsung,exynos3250-tmu", @@ -1023,8 +1011,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) if (ret) goto err_sensor; - INIT_WORK(&data->irq_work, exynos_tmu_work); - data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); if (IS_ERR(data->clk)) { dev_err(&pdev->dev, "Failed to get clock\n"); @@ -1093,8 +1079,11 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_sclk; } - ret = devm_request_irq(&pdev->dev, data->irq, exynos_tmu_irq, - IRQF_TRIGGER_RISING | IRQF_SHARED, dev_name(&pdev->dev), data); + ret = devm_request_threaded_irq(&pdev->dev, data->irq, NULL, + exynos_tmu_threaded_irq, + IRQF_TRIGGER_RISING + | IRQF_SHARED | IRQF_ONESHOT, + dev_name(&pdev->dev), data); if (ret) { dev_err(&pdev->dev, "Failed to request irq: %d\n", data->irq); goto err_sclk;