From patchwork Wed Apr 28 14:51:43 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: 12229027 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 CED04C43461 for ; Wed, 28 Apr 2021 14:54:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 60C9A61151 for ; Wed, 28 Apr 2021 14:54:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240468AbhD1OyG (ORCPT ); Wed, 28 Apr 2021 10:54:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:36314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240305AbhD1Oxe (ORCPT ); Wed, 28 Apr 2021 10:53:34 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 392B06161F; 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=WwdunTEPlspSuJNcgiz5VlTq6QqTmYyotSIBFOxVREY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LM7slmUmkpQ8NEr7pseKE9PHmPxOVynU2ApW1DWeGR2AXQUb1++LUp2H3WzNiHTDz ce0W+4lggWefwwa+/9O3r/DA+JHxky9RtPrLccCJGjJIUWZ2icKNKT0RdCOfWFWfMz SCYLxTJrfD66jicSvGaT8S1nzPumgBiZlCin2nk7Oordbjjt7324wuoQv/Y3Co7m1l AVbqDWyfL6NSSZYzvskKqpAAgn3mAz5PgD5vCzTAcGeL7nRQMr3J9mE2cNZ9xcndca A/Q5xGDjquXMxL0rMNLVnPXH5wNoz+9kjytX+j8rxosTST4B3OY0XqI5ZKpEtKISbq 3kvffXe1odmcw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYQ-001Dqe-6X; Wed, 28 Apr 2021 16:52:42 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Fabio Estevam , Greg Kroah-Hartman , Mauro Carvalho Chehab , NXP Linux Team , Pengutronix Kernel Team , Philipp Zabel , Rui Miguel Silva , Sascha Hauer , Shawn Guo , Steve Longerbeam , devel@driverdev.osuosl.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 22/79] staging: media: imx7-mipi-csis: use pm_runtime_resume_and_get() Date: Wed, 28 Apr 2021 16:51:43 +0200 Message-Id: <914f9a1ac35dbb25cee9636b9f8533e743173ee7.1619621413.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. Acked-by: Rui Miguel Silva Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/imx/imx7-mipi-csis.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 025fdc488bd6..1dc680d94a46 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -695,11 +695,10 @@ static int mipi_csis_s_stream(struct v4l2_subdev *mipi_sd, int enable) mipi_csis_clear_counters(state); - ret = pm_runtime_get_sync(&state->pdev->dev); - if (ret < 0) { - pm_runtime_put_noidle(&state->pdev->dev); + ret = pm_runtime_resume_and_get(&state->pdev->dev); + if (ret < 0) return ret; - } + ret = v4l2_subdev_call(state->src_sd, core, s_power, 1); if (ret < 0 && ret != -ENOIOCTLCMD) goto done;