From patchwork Fri Dec 1 05:03:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Can Guo X-Patchwork-Id: 749070 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="EmTDw1yg" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35EAB1726; Thu, 30 Nov 2023 21:04:46 -0800 (PST) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B14xB1o000982; Fri, 1 Dec 2023 05:04:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=qcppdkim1; bh=ZC/earWkqWNkcUV0oq+iV9LAfKxTP8mapb8MzlHxtCk=; b=EmTDw1ygQIk422hZtfbXhiRelECZr5rg6eLv0WVy/cJ2TKBeNLv8FqA4NTNnocHw/SCd 6o3cNGJF+nCpHa2kyZw0JHGEIDxcWRrBOr0FuYF56tnb2PS5GB4WpaiXeICCIYN7yTR+ m/dd46LI55oGrwLWuocXZYIvJuvs2pl98RMi6GR3/mfQomRAU3GNGZQ6HJrJIpKBSX9f X+NBYVi9m22lBqUjmSqS114QW0QK7B+onWUXWZtLbFORwNA+ejb5wsMwRfhcOfWmzqOt Zpdpo+hkkLepKyeCdEJq600SjaeEzfSYMdqHGiWuPcrF9AVD5/KWiuXu2HYuIxFFK6pG cg== Received: from nasanppmta04.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3upvm1su3f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Dec 2023 05:04:06 +0000 Received: from pps.filterd (NASANPPMTA04.qualcomm.com [127.0.0.1]) by NASANPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 3B14icuq010891; Fri, 1 Dec 2023 05:04:05 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NASANPPMTA04.qualcomm.com (PPS) with ESMTP id 3unmewu5hx-1; Fri, 01 Dec 2023 05:04:05 +0000 Received: from NASANPPMTA04.qualcomm.com (NASANPPMTA04.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3B1545Ze004609; Fri, 1 Dec 2023 05:04:05 GMT Received: from stor-dylan.qualcomm.com (stor-dylan.qualcomm.com [192.168.140.207]) by NASANPPMTA04.qualcomm.com (PPS) with ESMTP id 3B1545VI004597; Fri, 01 Dec 2023 05:04:05 +0000 Received: by stor-dylan.qualcomm.com (Postfix, from userid 359480) id A6C7B20A73; Thu, 30 Nov 2023 21:04:04 -0800 (PST) From: Can Guo To: quic_cang@quicinc.com, bvanassche@acm.org, mani@kernel.org, adrian.hunter@intel.com, vkoul@kernel.org, beanhuo@micron.com, avri.altman@wdc.com, junwoo80.lee@samsung.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v7 07/10] scsi: ufs: ufs-qcom: Check return value of phy_set_mode_ext() Date: Thu, 30 Nov 2023 21:03:17 -0800 Message-Id: <1701407001-471-8-git-send-email-quic_cang@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1701407001-471-1-git-send-email-quic_cang@quicinc.com> References: <1701407001-471-1-git-send-email-quic_cang@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 4N4QdOsZjC-UO2zg5nPsQFPK7VfPq8fs X-Proofpoint-GUID: 4N4QdOsZjC-UO2zg5nPsQFPK7VfPq8fs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-01_02,2023-11-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 impostorscore=0 phishscore=0 spamscore=0 malwarescore=0 bulkscore=0 adultscore=0 clxscore=1015 mlxscore=0 mlxlogscore=999 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312010028 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: In ufs_qcom_power_up_sequence(), check return value of phy_set_mode_ext() and stop proceeding if phy_set_mode_ext() fails. Reviewed-by: Nitin Rawat Signed-off-by: Can Guo --- drivers/ufs/host/ufs-qcom.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index 543939c..ee3f07a 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -475,7 +475,9 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) return ret; } - phy_set_mode_ext(phy, mode, host->phy_gear); + ret = phy_set_mode_ext(phy, mode, host->phy_gear); + if (ret) + goto out_disable_phy; /* power on phy - start serdes and phy's power and clocks */ ret = phy_power_on(phy);