From patchwork Tue Jul 11 08:48:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ziqi Chen X-Patchwork-Id: 13308266 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BF217EB64DD for ; Tue, 11 Jul 2023 08:50:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230527AbjGKIuF (ORCPT ); Tue, 11 Jul 2023 04:50:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229844AbjGKIuE (ORCPT ); Tue, 11 Jul 2023 04:50:04 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A22F21702; Tue, 11 Jul 2023 01:49:26 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36B6V6aG012944; Tue, 11 Jul 2023 08:48:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id; s=qcppdkim1; bh=Hb+/WvdSZOGcP0ZbVzWAswSwAieAH5nBltcHMk+zViw=; b=Qjf+m+UfJWRjrkd5aXIl5Ohk5TgWM0GeCwAxlyrzVCJXZ3chVT0Q9v4RWQncfOnCdaPW FlooWCQ18+dnZgP5xIJPG2MKwRmZKwNiD5zPwDW9Som/yKvC61YmYs9IF2chO9Td1YDP nqEEATwiZM2RHMxeJE/t2IBJbqG6aZg9zM2duwhNPUScxdujBJT3cKPDc4/72M66PBp+ mtrR+ss9Ztgt+XEFkYGY5KjxXYcHaq3p4lI/nj2guFBzyiQaopBV7uPyIKjIi+hAs7ta Igw0OACc4EDqmDlyQyoUVug+E4VM1jvPMCCam+Igh2Tbpc20X8czUkirUFcdyeIyugTQ GQ== Received: from aptaippmta02.qualcomm.com (tpe-colo-wan-fw-bordernet.qualcomm.com [103.229.16.4]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3rs0kr8d4u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 08:48:54 +0000 Received: from pps.filterd (APTAIPPMTA02.qualcomm.com [127.0.0.1]) by APTAIPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 36B8mpnd026641; Tue, 11 Jul 2023 08:48:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APTAIPPMTA02.qualcomm.com (PPS) with ESMTPS id 3rq0vknygn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 11 Jul 2023 08:48:51 +0000 Received: from APTAIPPMTA02.qualcomm.com (APTAIPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36B8mokV026614; Tue, 11 Jul 2023 08:48:50 GMT Received: from cbsp-sh-gv.qualcomm.com (CBSP-SH-gv.ap.qualcomm.com [10.231.249.68]) by APTAIPPMTA02.qualcomm.com (PPS) with ESMTP id 36B8moDS026613; Tue, 11 Jul 2023 08:48:50 +0000 Received: by cbsp-sh-gv.qualcomm.com (Postfix, from userid 393357) id 613FB4994; Tue, 11 Jul 2023 16:48:49 +0800 (CST) From: Ziqi Chen To: quic_asutoshd@quicinc.com, quic_cang@quicinc.com, bvanassche@acm.org, mani@kernel.org, stanley.chu@mediatek.com, adrian.hunter@intel.com, beanhuo@micron.com, avri.altman@wdc.com, junwoo80.lee@samsung.com, martin.petersen@oracle.com, quic_ziqichen@quicinc.com, quic_nitirawa@quicinc.com Cc: linux-scsi@vger.kernel.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , "James E.J. Bottomley" , linux-arm-msm@vger.kernel.org (open list:ARM/QUALCOMM SUPPORT), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v1] scsi: ufs: qcom: Hold the mutex lock when config ESI Date: Tue, 11 Jul 2023 16:48:46 +0800 Message-Id: <1689065327-45039-1-git-send-email-quic_ziqichen@quicinc.com> X-Mailer: git-send-email 2.7.4 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-GUID: CGWuSHK50VGMgK2l1Ds9cVtPMEh9tt9z X-Proofpoint-ORIG-GUID: CGWuSHK50VGMgK2l1Ds9cVtPMEh9tt9z X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-11_04,2023-07-06_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 adultscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2307110077 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Lock the MSI descriptor storage of a device when config ESI. Otherwise we would meet plenty of warnings during boot up. Signed-off-by: Ziqi Chen --- drivers/ufs/host/ufs-qcom.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c index f36bcdb..d29e63e 100644 --- a/drivers/ufs/host/ufs-qcom.c +++ b/drivers/ufs/host/ufs-qcom.c @@ -1680,6 +1680,7 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba) goto out; } + msi_lock_descs(hba->dev); msi_for_each_desc(desc, hba->dev, MSI_DESC_ALL) { ret = devm_request_irq(hba->dev, desc->irq, ufs_qcom_mcq_esi_handler, @@ -1691,14 +1692,17 @@ static int ufs_qcom_config_esi(struct ufs_hba *hba) break; } } + msi_unlock_descs(hba->dev); if (ret) { /* Rewind */ + msi_lock_descs(hba->dev); msi_for_each_desc(desc, hba->dev, MSI_DESC_ALL) { if (desc == failed_desc) break; devm_free_irq(hba->dev, desc->irq, hba); } + msi_unlock_descs(hba->dev); platform_msi_domain_free_irqs(hba->dev); } else { if (host->hw_ver.major == 6 && host->hw_ver.minor == 0 &&