From patchwork Wed Apr 28 14:52:06 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: 12229073 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 C0ED0C4363F for ; Wed, 28 Apr 2021 14:54:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88E6D61441 for ; Wed, 28 Apr 2021 14:54:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240686AbhD1OzV (ORCPT ); Wed, 28 Apr 2021 10:55:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:36328 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240388AbhD1Oxr (ORCPT ); Wed, 28 Apr 2021 10:53:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CA2BC61954; 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=umqdpGp1oSGyna8Ojn3AGfbapFLyE4ZVzg1c+rmxXd4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ATJHdv6X6T3tSwPTnnl4WoKWoMN03qJkSsqO8yCB+i8R/W+3eEFy7DgC16fCIT3IM i1WihBdnGamxdpFANjzwREwBG14573J9ykDOM9VW0GeZjsKbtti7U9DSMP3GZXD6Mc xhcnVJIoCBP9UvobqXiNKm93mAx4qq4D2RJdJ1ZaRk6lrNW1DzcTT+CzFaV3cFHYs1 amTCHvVB0aVgswkH3SYs3hLPEag1lM78ov6mjT/gLFO+mL0WSzbaf1A4AyPPBjKkLE niHAdNaZfmh+OcZM2krvdk7cbpZiP8z99IKUpWGbHShQJW5NLRfa6iZilhEzFphCUB ljBXXVi3cIFEA== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYQ-001Drl-S8; Wed, 28 Apr 2021 16:52:42 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Bingbu Cao , Mauro Carvalho Chehab , Shawn Tu , Tianshu Qiu , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 45/79] media: i2c: ov2740: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:52:06 +0200 Message-Id: <06c54728ddcc076f1f39a7bd01bf67c52e24899b.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 Reviewed-by: Jonathan Cameron --- drivers/media/i2c/ov2740.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c index 0f3f17f3c426..54779f720f9d 100644 --- a/drivers/media/i2c/ov2740.c +++ b/drivers/media/i2c/ov2740.c @@ -751,9 +751,8 @@ static int ov2740_set_stream(struct v4l2_subdev *sd, int enable) mutex_lock(&ov2740->mutex); if (enable) { - ret = pm_runtime_get_sync(&client->dev); + ret = pm_runtime_resume_and_get(&client->dev); if (ret < 0) { - pm_runtime_put_noidle(&client->dev); mutex_unlock(&ov2740->mutex); return ret; } @@ -1049,9 +1048,8 @@ static int ov2740_nvmem_read(void *priv, unsigned int off, void *val, goto exit; } - ret = pm_runtime_get_sync(dev); + ret = pm_runtime_resume_and_get(dev); if (ret < 0) { - pm_runtime_put_noidle(dev); goto exit; }