From patchwork Wed Apr 28 14:52:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12229127 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CC11C433ED for ; Wed, 28 Apr 2021 14:55:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB72E61435 for ; Wed, 28 Apr 2021 14:55:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240800AbhD1O4D (ORCPT ); Wed, 28 Apr 2021 10:56:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:36352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240332AbhD1Oxj (ORCPT ); Wed, 28 Apr 2021 10:53:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4DA0961628; Wed, 28 Apr 2021 14:52:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619621564; bh=wdynVwwhyvqKibF+xyVsNRL7Ix8YvvILE1Sgr+qtqMc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mCIGd0KUv3nX54i1wVXkXIAeO66691k6xUBfmNPBKNDmhWpJOQuj+wMEfVxioO1X5 EC3NSjF2ZWgq5ZRPHaKMXJSHvN/sJuvSwrjLwP7b7BwX9gbpCO5K1JNOb33GgLLP/B ODlj/AnkKJzKNAdnkeXKKIwfwf2EqGvMsE4ck70qRDXgPrHzHw2crGt7Vwotx4QVh7 DNyB3jAZkqW0tcDJ2A/XAcNgci2oOhY+BL9c1vW8eahsTJUz0KAyD8GiLWVVDzTPk2 UDyrjfcFypRtSCufZwGn8zYN22XKLYhaUBgOYXHSk/jBBF8HOAiSB1DzA/8FEH6JB8 z25CsXH8ihtjw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYR-001Dsj-F7; Wed, 28 Apr 2021 16:52:43 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Andy Gross , Bjorn Andersson , Mauro Carvalho Chehab , Robert Foss , Todor Tomov , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 65/79] media: camss: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:52:26 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Commit dd8088d5a896 ("PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter") added pm_runtime_resume_and_get() in order to automatically handle dev->power.usage_count decrement on errors. Use the new API, in order to cleanup the error check logic. Reviewed-by: Robert Foss Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/camss/camss-csid.c | 6 ++---- drivers/media/platform/qcom/camss/camss-csiphy.c | 6 ++---- drivers/media/platform/qcom/camss/camss-ispif.c | 6 ++---- drivers/media/platform/qcom/camss/camss-vfe.c | 5 +++-- 4 files changed, 9 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c index cc11fbfdae13..d2a7f2a64f26 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -156,11 +156,9 @@ static int csid_set_power(struct v4l2_subdev *sd, int on) int ret; if (on) { - ret = pm_runtime_get_sync(dev); - if (ret < 0) { - pm_runtime_put_sync(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) return ret; - } ret = regulator_enable(csid->vdda); if (ret < 0) { diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c index b3c3bf19e522..8e18b8e668cf 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -197,11 +197,9 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on) if (on) { int ret; - ret = pm_runtime_get_sync(dev); - if (ret < 0) { - pm_runtime_put_sync(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) return ret; - } ret = csiphy_set_clock_rates(csiphy); if (ret < 0) { diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index 37611c8861da..d9907742ba79 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.c +++ b/drivers/media/platform/qcom/camss/camss-ispif.c @@ -372,11 +372,9 @@ static int ispif_set_power(struct v4l2_subdev *sd, int on) goto exit; } - ret = pm_runtime_get_sync(dev); - if (ret < 0) { - pm_runtime_put_sync(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) goto exit; - } ret = camss_enable_clocks(ispif->nclocks, ispif->clock, dev); if (ret < 0) { diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index 15695fd466c4..cf743e61f798 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -584,9 +584,9 @@ static int vfe_get(struct vfe_device *vfe) if (ret < 0) goto error_pm_domain; - ret = pm_runtime_get_sync(vfe->camss->dev); + ret = pm_runtime_resume_and_get(vfe->camss->dev); if (ret < 0) - goto error_pm_runtime_get; + goto error_domain_off; ret = vfe_set_clock_rates(vfe); if (ret < 0) @@ -620,6 +620,7 @@ static int vfe_get(struct vfe_device *vfe) error_pm_runtime_get: pm_runtime_put_sync(vfe->camss->dev); +error_domain_off: vfe->ops->pm_domain_off(vfe); error_pm_domain: