From patchwork Thu May 6 15:23:25 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: 12242365 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 3E2B4C433B4 for ; Thu, 6 May 2021 15:24:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22A2D61177 for ; Thu, 6 May 2021 15:24:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235254AbhEFPZP (ORCPT ); Thu, 6 May 2021 11:25:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:38140 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235161AbhEFPYj (ORCPT ); Thu, 6 May 2021 11:24:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DF6D061426; Thu, 6 May 2021 15:23:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620314610; bh=HyEc9UNwq5f+9HkjZrtYJol03xr9+57BThXZkb1RvbU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zr4XORA0UIja5TGWNYfypJu8ac+wIlsz1ZhleHAIroEDx25+SY/hySKaAXyHTmZrb WtRJnUl/j69SsgG2gq4qfTHSqarIUzUcvDAHZzXl5lF1THl6QWDl1Pa4puxr9N4eRf fNZ2nJCK53Ja6eNsWR/D17im9ZFDxso4BmVaywlWRdeN5xVe0a40wIazu4ROm57NuS ynMRM2oLufrzMQhgmZaEZcUjF+HEop/veNcCZnv2mo4vP7w/e8mcehkFPBy1yUwXpB 2NjaHfMjfeem03LOthYrlIt4MXBdC7iILpt7zachvADpQsmOfLsuEiXNXPNvw2YZRU fd1QOpY6efmJA== Received: by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1lefqb-000RwQ-28; Thu, 06 May 2021 17:23:29 +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 v5 29/30] media: i2c: video-i2c: use pm_runtime_resume_and_get() Date: Thu, 6 May 2021 17:23:25 +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. Signed-off-by: Mauro Carvalho Chehab Acked-by: Matt Ranostay --- 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 0465832a4090..de12f38f347c 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)