From patchwork Tue Apr 27 10:26:16 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: 1470627 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=pztCD5s6; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FTyd226wyz9sPf for ; Tue, 27 Apr 2021 20:27:34 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235336AbhD0K2N (ORCPT ); Tue, 27 Apr 2021 06:28:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:48270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235596AbhD0K2F (ORCPT ); Tue, 27 Apr 2021 06:28:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5FCF161400; 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=WbRKhLLskO1RYUogcibQypEKrmLpBP5nHtIha3xX034=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pztCD5s6it4yKv4ZyOriU2MAs88ON/p9id0SD4J0Tv/V0rwdvq/zaEqKbRBaWYoiv jHTFxaXZgY3iRvQhKTJA+vAYjyhGf7pfZlrhXom//FzC3+6uK3f+yzKcHg1esax10R CvCe7j1/Qoqnl6ARzMIKRooVOYddGnFlrmRdkV+rxf8bMFFETm/uOozASatERWbTIg Tgf7qAJLJ1APVWrgQu3bKUg79c/uc88aTjMYN/QUzJRXf+5vIEXLvQP4VANHKSSeBQ eO6OsaIlojASKu99Xd22jSYdx3qon7LfKfCruGz9WSpZoy/z20QUJqTrUKvG7JR6pi 2cbQmW82b9jUw== Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lbKvw-000o0T-B0; Tue, 27 Apr 2021 12:27:12 +0200 From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Greg Kroah-Hartman , Jonathan Hunter , Mauro Carvalho Chehab , Sowjanya Komatineni , Thierry Reding , devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-tegra@vger.kernel.org Subject: [PATCH v3 26/79] staging: media: csi: use pm_runtime_resume_and_get() Date: Tue, 27 Apr 2021 12:26:16 +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-tegra@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/staging/media/tegra-video/csi.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c index 033a6935c26d..e938bf4c48b6 100644 --- a/drivers/staging/media/tegra-video/csi.c +++ b/drivers/staging/media/tegra-video/csi.c @@ -298,10 +298,9 @@ static int tegra_csi_enable_stream(struct v4l2_subdev *subdev) struct tegra_csi *csi = csi_chan->csi; int ret, err; - ret = pm_runtime_get_sync(csi->dev); + ret = pm_runtime_resume_and_get(csi->dev); if (ret < 0) { dev_err(csi->dev, "failed to get runtime PM: %d\n", ret); - pm_runtime_put_noidle(csi->dev); return ret; }