From patchwork Tue Apr 27 10:26:12 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: 428144 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 5F784C43462 for ; Tue, 27 Apr 2021 10:28:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A83C60FDC for ; Tue, 27 Apr 2021 10:28:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238327AbhD0K3K (ORCPT ); Tue, 27 Apr 2021 06:29:10 -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 S235842AbhD0K2N (ORCPT ); Tue, 27 Apr 2021 06:28:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B08056143C; Tue, 27 Apr 2021 10:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619519236; bh=WwdunTEPlspSuJNcgiz5VlTq6QqTmYyotSIBFOxVREY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NZm6zdW+FKzxb+LsjX/Lv3L7az1xSznYI/RONnb1cXePK21Nj4oLvZmIGqx+5LALk +66OR7pZFcaY+DFAtLTiBLuo39vLrTjzoB4/nZSDLcNBE6YtqNjPB7JTGltmO6E18L UchD071kXo4eZnoYnyjz80KsGTsBunYbSShzyOdI9WzwH5NKKyzGmV3mvlUC8vYfOk aUWwBs2uJAkaGi0SZleGmhwU4AYdVPAnwOz43JpE9PTJ8a2DNCXD6vHpwFmBa2ByQS j9PT5G/0kNVTmyL1H4ZA+0hDf8I1fRfltZiBcp9Nqh2pdLCAeCvQSw5t4ILDQE1qlD eT8TShmndMtVw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKvw-000o0H-2p; Tue, 27 Apr 2021 12:27:12 +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 v3 22/79] staging: media: imx7-mipi-csis: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:26:12 +0200 Message-Id: <706a63dc9019ebea7904acedc6d40ae44cb706b6.1619519080.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;