From patchwork Sat Apr 24 06:45:22 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: 12222413 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_NONE,USER_AGENT_GIT autolearn=ham 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 700C8C433ED for ; Sat, 24 Apr 2021 06:45:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5357F61483 for ; Sat, 24 Apr 2021 06:45:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234194AbhDXGqW (ORCPT ); Sat, 24 Apr 2021 02:46:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:36096 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233135AbhDXGqO (ORCPT ); Sat, 24 Apr 2021 02:46:14 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 654736162A; Sat, 24 Apr 2021 06:45:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619246733; bh=K1pnGXdSmZk3xIP43jgrjSRkXQPJaoq5GvJcaE8AzVg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WaC6N38N36D/6kQYFhef7YtzyJvGaRXx8bNQIgl313jmXLJUtGq3Yv4LDyeYgnQ7r oBw15fbTPSXyCzjEsV3jOUTp09Mna3rDpE7dvJLmMAszBUEz+2hxpB8xuLQNQYisYL x3ZAEhSlU6rEYvrAPO00t0fa+bdSgRtIFdz7bbQJehMzn+Ste+iEfcINQH4vZw07dm atYmh9REZQvpylHT++WGKDih/H40ph/4ehUKLS5xx+PX5460iMihhnMezuOcX9ybVp sge6EfFPayzilwvFz8gOd1WwS6ZhMAnvPDbET7XjuEMa/SuvhT43toRSkfjPECOA6V EzoPhXYZ/ZHxQ== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1laC2n-004JhC-3C; Sat, 24 Apr 2021 08:45:33 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Mauro Carvalho Chehab , Sylwester Nawrocki , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH 72/78] media: s3c-camif: use pm_runtime_resume_and_get() Date: Sat, 24 Apr 2021 08:45:22 +0200 Message-Id: <3cfe70dad65dc078a656458cb55087a5269e9cc3.1619191723.git.mchehab+huawei@kernel.org> 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-samsung-soc@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. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s3c-camif/camif-capture.c | 5 ++--- drivers/media/platform/s3c-camif/camif-core.c | 5 +++-- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 9ca49af29542..01fa08065ebc 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -547,16 +547,15 @@ static int s3c_camif_open(struct file *file) if (ret < 0) goto unlock; - ret = pm_runtime_get_sync(camif->dev); + ret = pm_runtime_resume_and_get(camif->dev); if (ret < 0) - goto err_pm; + goto unlock; ret = sensor_set_power(camif, 1); if (!ret) goto unlock; pm_runtime_put(camif->dev); -err_pm: v4l2_fh_release(file); unlock: mutex_unlock(&camif->lock); diff --git a/drivers/media/platform/s3c-camif/camif-core.c b/drivers/media/platform/s3c-camif/camif-core.c index 4c3c00d59c92..e1d51fd3e700 100644 --- a/drivers/media/platform/s3c-camif/camif-core.c +++ b/drivers/media/platform/s3c-camif/camif-core.c @@ -460,9 +460,9 @@ static int s3c_camif_probe(struct platform_device *pdev) pm_runtime_enable(dev); - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) - goto err_pm; + goto err_disable; ret = camif_media_dev_init(camif); if (ret < 0) @@ -502,6 +502,7 @@ static int s3c_camif_probe(struct platform_device *pdev) camif_unregister_media_entities(camif); err_pm: pm_runtime_put(dev); +err_disable: pm_runtime_disable(dev); camif_clk_put(camif); err_clk: