From patchwork Wed Sep 29 07:00:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Po-Wen Kao X-Patchwork-Id: 12524703 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A9A00C433FE for ; Wed, 29 Sep 2021 07:01:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D692610CC for ; Wed, 29 Sep 2021 07:01:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244494AbhI2HDU (ORCPT ); Wed, 29 Sep 2021 03:03:20 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:55788 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S244462AbhI2HDO (ORCPT ); Wed, 29 Sep 2021 03:03:14 -0400 X-UUID: 0e11f859e6b942f9a53cafb6eecbf6ad-20210929 X-UUID: 0e11f859e6b942f9a53cafb6eecbf6ad-20210929 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1143022976; Wed, 29 Sep 2021 15:01:29 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 29 Sep 2021 15:01:28 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 29 Sep 2021 15:01:27 +0800 From: Po-Wen Kao To: , , , , , , , , CC: , , , , , , , , , Subject: [PATCH 2/2] scsi: ufs: fix TM request timeout Date: Wed, 29 Sep 2021 15:00:47 +0800 Message-ID: <20210929070047.4223-3-powen.kao@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20210929070047.4223-1-powen.kao@mediatek.com> References: <20210929070047.4223-1-powen.kao@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org TM command issued by ufshcd_issue_tm_cmd() inevitably timeout since interrupt handler iterates wrong request list for completion. The issue is fixed by iterating static_rqs instead of rqs to find requests with new interface blk_mq_drv_tagset_busy_iter(). Signed-off-by: Po-Wen Kao --- drivers/scsi/ufs/ufshcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3841ab49f556..7a1ea42302b8 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6428,7 +6428,7 @@ static irqreturn_t ufshcd_tmc_handler(struct ufs_hba *hba) spin_lock_irqsave(hba->host->host_lock, flags); ci.pending = ufshcd_readl(hba, REG_UTP_TASK_REQ_DOOR_BELL); - blk_mq_tagset_busy_iter(q->tag_set, ufshcd_compl_tm, &ci); + blk_mq_drv_tagset_busy_iter(q->tag_set, ufshcd_compl_tm, &ci); spin_unlock_irqrestore(hba->host->host_lock, flags); return ci.ncpl ? IRQ_HANDLED : IRQ_NONE;