From patchwork Tue Apr 27 10:26:19 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: 428166 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 880DFC433B4 for ; Tue, 27 Apr 2021 10:27:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 593D960FDC for ; Tue, 27 Apr 2021 10:27:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237061AbhD0K2R (ORCPT ); Tue, 27 Apr 2021 06:28:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:48156 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235517AbhD0K2D (ORCPT ); Tue, 27 Apr 2021 06:28:03 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0B303613D0; Tue, 27 Apr 2021 10:27:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619519236; bh=Brp5bgVOD7UqAef4tVuj+33Q8jgTwnd/UQoPNRzNrhM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e6fyJt/1tyQ+bKXpDrQhcZ2T+6eCV2UdjdMUSlzUshM/+lUly7WUAndQ07uDq81c4 3BDo2YsAh9mlufH5zkddHpySwopBKA9CwmUfvK/IPLvO/8Ux03j3Fe3v1dJd3Hgqm8 1Zsw5WvJ4XAg1xQjDhzOd2aZVs4yvcxoYiT8q5bAewCKTsp+0wgfliR0TA7oMsxy4Y QvwvMxwjynnbek0QBSHJoA8zpXMOro/I7kJ/P2XrloADUpW8I8DRdDwWtnp+S/SbWb b5Z+H4wxqip4ikECiIgHW/T7hPTXN6f6DBwbu6cRbvtmuPtkhALg35NvY9QZsWCpnF k98sbx5cJ/Zng== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKvw-000o0c-Gf; Tue, 27 Apr 2021 12:27:12 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Mauro Carvalho Chehab , Sakari Ailus , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v3 29/79] media: i2c: ccs-core: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:26:19 +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 --- drivers/media/i2c/ccs/ccs-core.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index b05f409014b2..8cce80557128 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -1880,12 +1880,11 @@ static int ccs_pm_get_init(struct ccs_sensor *sensor) struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); int rval; - rval = pm_runtime_get_sync(&client->dev); - if (rval < 0) { - pm_runtime_put_noidle(&client->dev); - + rval = pm_runtime_resume_and_get(&client->dev); + if (rval < 0) return rval; - } else if (!rval) { + + if (!rval) { rval = v4l2_ctrl_handler_setup(&sensor->pixel_array-> ctrl_handler); if (rval) @@ -3089,12 +3088,9 @@ static int __maybe_unused ccs_suspend(struct device *dev) bool streaming = sensor->streaming; int rval; - rval = pm_runtime_get_sync(dev); - if (rval < 0) { - pm_runtime_put_noidle(dev); - + rval = pm_runtime_resume_and_get(dev); + if (rval < 0) return rval; - } if (sensor->streaming) ccs_stop_streaming(sensor);