From nobody Sat May 10 06:14:16 2025 Delivered-To: importer2@patchew.org Received-SPF: pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; envelope-from=linux-kernel-owner@vger.kernel.org; helo=vger.kernel.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass(p=none dis=none) header.from=kernel.org ARC-Seal: i=1; a=rsa-sha256; t=1619621666; cv=none; d=zohomail.com; s=zohoarc; b=P9aR6uWFUPOTe3a+4jbjTvScq0xrMr7Ao9ifKFiI++RkoC8UkREb9vpcaLuoOn//WMKZvVfUSEFpJAxKR+b1ANVJoQNgRfsx7sdRoTms9+k2Sk+swnOeS76/ysoKAj3DGt8OM0Z4No0sDaJ6NL3xgdLnoo094nYbc8KkNrhlE6M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1619621666; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Id:MIME-Version:Message-ID:References:Sender:Subject:To; bh=QSKtpUAxvTy/bkqw/JfwZ35LoMEOtg/nFZIWGnE34yQ=; b=G4IUWNEI5MGS4oCqFERf/v/EZpk3DA3Lgebe6FhehjtS75f2zXQorENq4j6E5EUZDyp/JGEg9jiLdMS65NnVV9J4uIdg14RpsgNETliuGg+kweZTXRAshx+AUasg75bIP355qC5eT5uNrHPt7IhHN/4ERAFUvot/bfD8lG7BXYY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mx.zohomail.com with SMTP id 1619621666174949.1751612622664; Wed, 28 Apr 2021 07:54:26 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240640AbhD1OzG (ORCPT ); Wed, 28 Apr 2021 10:55:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:36352 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240290AbhD1Oxa (ORCPT ); Wed, 28 Apr 2021 10:53:30 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DD3BD6145A; Wed, 28 Apr 2021 14:52:43 +0000 (UTC) Received: by mail.kernel.org with local (Exim 4.94) (envelope-from ) id 1lblYP-001Dq1-QW; Wed, 28 Apr 2021 16:52:41 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619621564; bh=HuTLNsPcfIqbw1UtY6p4jIBErIihq3Y8I/97JFK7QN0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gCuwNzsLP/DCAChF9rvXjCLhZlwMEr70h9kQ9oMl1sBVFnW3RXxSfdP3RaLMGbGqH 3uoxGqPqsWBLJvWQe60yqY8eibD+s4j0FEaV+je7oVk1z4840mTBPN3axizBJRRSQO ACRtf+tG10Mj4QRbwBNLQ+vj8zLtUXDPYQkf+6aiPH4jUkSFvpq0H2HW3hgvErSBpn Q7HDnNTLprUU0XcIECm0pYPBrOsnOHIuWXWzWF609CWtrwddTroJR3j5wvsRNvBTuz +o1uWbZvIqU5/+LVa/mjozD97d+DK+gsXYuYOxb9djCE5VylGD7tMI8QVfAvSXMpQV 9pcR3H2sl0MIQ== From: Mauro Carvalho Chehab Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , "Gustavo A. R. Silva" , Allen Pais , Chuhong Yuan , Ezequiel Garcia , Hans Verkuil , Helen Koike , Lubomir Rintel , Mauro Carvalho Chehab , Sakari Ailus , Vaibhav Gupta , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH v4 09/79] media: marvel-ccic: fix some issues when getting pm_runtime Date: Wed, 28 Apr 2021 16:51:30 +0200 Message-Id: X-Mailer: git-send-email 2.30.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: Mauro Carvalho Chehab To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Calling pm_runtime_get_sync() is bad, since even when it returns an error, pm_runtime_put*() should be called. So, use instead pm_runtime_resume_and_get(). While here, ensure that the error condition will be checked during clock enable an media open() calls. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/marvell-ccic/mcam-core.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/medi= a/platform/marvell-ccic/mcam-core.c index 141bf5d97a04..ea87110d9073 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -918,6 +918,7 @@ static int mclk_enable(struct clk_hw *hw) struct mcam_camera *cam =3D container_of(hw, struct mcam_camera, mclk_hw); int mclk_src; int mclk_div; + int ret; =20 /* * Clock the sensor appropriately. Controller clock should @@ -931,7 +932,9 @@ static int mclk_enable(struct clk_hw *hw) mclk_div =3D 2; } =20 - pm_runtime_get_sync(cam->dev); + ret =3D pm_runtime_resume_and_get(cam->dev); + if (ret < 0) + return ret; clk_enable(cam->clk[0]); mcam_reg_write(cam, REG_CLKCTRL, (mclk_src << 29) | mclk_div); mcam_ctlr_power_up(cam); @@ -1611,7 +1614,9 @@ static int mcam_v4l_open(struct file *filp) ret =3D sensor_call(cam, core, s_power, 1); if (ret) goto out; - pm_runtime_get_sync(cam->dev); + ret =3D pm_runtime_resume_and_get(cam->dev); + if (ret < 0) + goto out; __mcam_cam_reset(cam); mcam_set_config_needed(cam, 1); } --=20 2.30.2