From patchwork Thu May 6 15:25:59 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: 431881 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=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 9967BC43462 for ; Thu, 6 May 2021 15:27:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7136961948 for ; Thu, 6 May 2021 15:27:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235464AbhEFP2D (ORCPT ); Thu, 6 May 2021 11:28:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:40898 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235414AbhEFP1m (ORCPT ); Thu, 6 May 2021 11:27:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AFC9661949; Thu, 6 May 2021 15:26:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620314783; bh=Q1WsziPcbnwAb2cpqQFZbO8zttZnZQq1oIpn6yJZI+I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jT90qvx9MfzcfeyIFJE9XCz0ywhiU67cPZEcnlRwVlGDFG9a8ewKY9V51EKUNXG+2 BdJVo7PwOoiytmgZMVJUHIBCpohFHG6YiK91yncEC64KY3sXsGyTbQRdMC0MuTyfd8 7YM4Wlijpvt9hWWoVKXnHlgkvWSO+MkNObkN3nTek6WJ7iRcTuYgye5lRhD48l+jyL Eujpj+4df+zxARV22IYjr1Bhs40d2s7K9EM7K/vgdT0baf7JmOCutac1dnVBiYIwnW idg8hAzIYWz7eTVbHIPo4jQn8NeRfofLPrc0SI4K4D359Kqv/4YQJKPPzMz/niYS4I 2OmVXfmIx1ONA== Received: by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1left8-000SCN-B5; Thu, 06 May 2021 17:26:06 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Mauro Carvalho Chehab , Maxime Ripard , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-sunxi@lists.linux.dev Subject: [PATCH v5 21/25] media: sunxi: use pm_runtime_resume_and_get() Date: Thu, 6 May 2021 17:25:59 +0200 Message-Id: <24d9a9a7010b155fd5cc23566b158b9cee0a66a3.1620314616.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-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. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c b/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c index 4785faddf630..54b909987caa 100644 --- a/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c +++ b/drivers/media/platform/sunxi/sun4i-csi/sun4i_v4l2.c @@ -206,9 +206,9 @@ static int sun4i_csi_open(struct file *file) if (ret) return ret; - ret = pm_runtime_get_sync(csi->dev); + ret = pm_runtime_resume_and_get(csi->dev); if (ret < 0) - goto err_pm_put; + goto err_unlock; ret = v4l2_pipeline_pm_get(&csi->vdev.entity); if (ret) @@ -227,6 +227,8 @@ static int sun4i_csi_open(struct file *file) err_pm_put: pm_runtime_put(csi->dev); + +err_unlock: mutex_unlock(&csi->lock); return ret;