From patchwork Fri Aug 30 07:44:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?UGV0ZXIgV2FuZyAo546L5L+h5Y+LKQ==?= X-Patchwork-Id: 824332 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C260356440; Fri, 30 Aug 2024 07:44:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.244.123.138 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725003882; cv=none; b=ml3d/60z04HpsN3kdMixBgrOVX32LBEtJTgoWFz0FLdEYMCuWPpib3wMvoBxBKnvF+/rmEEV2MKAjwwN/e0hYMw7TgCZVG1uqWkHN3bhes7qcBQ9Ha8BqnvSCa1/g+gNk7LWK8AL+X1lOZsBQdVQidho1chtRDhnN8smReVjDXI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725003882; c=relaxed/simple; bh=A3p3V6lO1xejoiHPoK5mGxDzzyOCQSPCq1WwN7QGv5w=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=WztVQodeL6Jp37XE93kE5xOuA+P/zl1CjYDINnk9szgvnoB9VQuW+NfInNQPHvNKND1bHu4To9TDZMJs4FH1rNi7ps4ncfyZ4lAq9johfkyPusi5VFXQm5Ne6odlPUQLJEQqJ9pRB2K/JNos+uPmyta+z2r7ZATeu8myWoF/W4c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com; spf=pass smtp.mailfrom=mediatek.com; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b=NqxnmiId; arc=none smtp.client-ip=60.244.123.138 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=mediatek.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mediatek.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="NqxnmiId" X-UUID: af73e3c666a311ef8593d301e5c8a9c0-20240830 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=qB/YX4GsAIz1IbnbtiqRVmnhz51HwfzUV8S8YPMqW0Q=; b=NqxnmiIdp7+iounzjctNzKY2aE2jg6g5Emoau68kDVpqkSlM62lhaqKcUuRWVm0cTgOXC/KIRzAjlYZh7k5sIcdlyiNbQQLO6MfbOztp9ys+HiiJFc0uj2Tu8H8yajFCGiAFNTZzyXWutWbB5jtjbuGFXdN1eV8Jk8Vj300Sxsk=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.41, REQID:d6d2e6f5-e456-4f5f-b348-cc29333c37d2, IP:0, U RL:0,TC:0,Content:-5,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:-5 X-CID-META: VersionHash:6dc6a47, CLOUDID:be3e6ccf-7921-4900-88a1-3aef019a55ce, B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES :1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: af73e3c666a311ef8593d301e5c8a9c0-20240830 Received: from mtkmbs13n1.mediatek.inc [(172.21.101.193)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1902480691; Fri, 30 Aug 2024 15:44:28 +0800 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS09N1.mediatek.inc (172.21.101.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Fri, 30 Aug 2024 15:44:28 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Fri, 30 Aug 2024 15:44:28 +0800 From: To: , , , , CC: , , , , , , , , , , , , , , , , Subject: [PATCH v1 1/2] ufs: core: fix the issue of ICU failure Date: Fri, 30 Aug 2024 15:44:25 +0800 Message-ID: <20240830074426.21968-2-peter.wang@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240830074426.21968-1-peter.wang@mediatek.com> References: <20240830074426.21968-1-peter.wang@mediatek.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MTK: N From: Peter Wang When setting the ICU bit without using read-modify-write, SQRTCy will restart SQ again and receive an RTC return error code 2 (Failure - SQ not stopped). Additionally, the error log has been modified so that this type of error can be observed. Fixes: ab248643d3d6 ("scsi: ufs: core: Add error handling for MCQ mode") Cc: stable@vger.kernel.org Signed-off-by: Peter Wang --- drivers/ufs/core/ufs-mcq.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/ufs/core/ufs-mcq.c b/drivers/ufs/core/ufs-mcq.c index 5891cdacd0b3..afd9541f4bd8 100644 --- a/drivers/ufs/core/ufs-mcq.c +++ b/drivers/ufs/core/ufs-mcq.c @@ -570,15 +570,16 @@ int ufshcd_mcq_sq_cleanup(struct ufs_hba *hba, int task_tag) writel(nexus, opr_sqd_base + REG_SQCTI); /* SQRTCy.ICU = 1 */ - writel(SQ_ICU, opr_sqd_base + REG_SQRTC); + writel(readl(opr_sqd_base + REG_SQRTC) | SQ_ICU, + opr_sqd_base + REG_SQRTC); /* Poll SQRTSy.CUS = 1. Return result from SQRTSy.RTC */ reg = opr_sqd_base + REG_SQRTS; err = read_poll_timeout(readl, val, val & SQ_CUS, 20, MCQ_POLL_US, false, reg); - if (err) - dev_err(hba->dev, "%s: failed. hwq=%d, tag=%d err=%ld\n", - __func__, id, task_tag, + if (err || FIELD_GET(SQ_ICU_ERR_CODE_MASK, readl(reg))) + dev_err(hba->dev, "%s: failed. hwq=%d, tag=%d err=%d RTC=%ld\n", + __func__, id, task_tag, err, FIELD_GET(SQ_ICU_ERR_CODE_MASK, readl(reg))); if (ufshcd_mcq_sq_start(hba, hwq))