From patchwork Wed Apr 28 14:52:17 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: 12229077 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 9A681C05031 for ; Wed, 28 Apr 2021 14:54:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D94161441 for ; Wed, 28 Apr 2021 14:54:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240328AbhD1OzK (ORCPT ); Wed, 28 Apr 2021 10:55:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:37052 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240389AbhD1Oxr (ORCPT ); Wed, 28 Apr 2021 10:53:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id BAA6A61946; 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=hgVIRXIaDP3qryP6Ow1GN4bGxSo94x3BXa49gnOI5oU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f3h0eGdXeU42FbQX5nXsu8h3s9APwtyEpXw3+LibpCG6kLrIt6BDyl+FtHQRSKps4 Xhc7aPhob8HM6cDJI/26PfL4pGqBkbBGn5DRD3AEyYJ1Gs8OlglLJGBpNQ8tszHOfg uKV5jGBMbk9GHqLZUwR5AefUY3Um86Xr9+SBCA+CSf5nLaaBwhgPfBIyCTfzUhp611 DUBoXfgBZPlzlkMUNqBGlc+Yo+VBU+H+2TS2HbWQ+8JuFmL8DgOGMQzE0Xffh3cPEx iOHXAiIVXE0oM7MZChxs+x27CwUnWajos/IIxVzKEKHQ2H38KzEN1mjHEvg7PUGkg0 77dxm2LOWJnYQ== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYR-001DsI-6N; Wed, 28 Apr 2021 16:52:43 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Matt Ranostay , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 56/79] media: i2c: video-i2c: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:52:17 +0200 Message-Id: <9798637a8003329b10992d1d983041387b2c6677.1619621413.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/i2c/video-i2c.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c index c9a774f4c8d2..910a139c5e14 100644 --- a/drivers/media/i2c/video-i2c.c +++ b/drivers/media/i2c/video-i2c.c @@ -286,11 +286,9 @@ static int amg88xx_read(struct device *dev, enum hwmon_sensor_types type, __le16 buf; int tmp; - tmp = pm_runtime_get_sync(regmap_get_device(data->regmap)); - if (tmp < 0) { - pm_runtime_put_noidle(regmap_get_device(data->regmap)); + tmp = pm_runtime_resume_and_get(regmap_get_device(data->regmap)); + if (tmp < 0) return tmp; - } tmp = regmap_bulk_read(data->regmap, AMG88XX_REG_TTHL, &buf, 2); pm_runtime_mark_last_busy(regmap_get_device(data->regmap)); @@ -512,11 +510,9 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) if (data->kthread_vid_cap) return 0; - ret = pm_runtime_get_sync(dev); - if (ret < 0) { - pm_runtime_put_noidle(dev); + ret = pm_runtime_resume_and_get(dev); + if (ret < 0) goto error_del_list; - } ret = data->chip->setup(data); if (ret)