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: 13784482 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 010C0CA0EEA for ; Fri, 30 Aug 2024 07:44:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=qB/YX4GsAIz1IbnbtiqRVmnhz51HwfzUV8S8YPMqW0Q=; b=z12kZGsd2g4cve4AKUp0T81Ubc yWc1ual+/577m1KtyepJ7+5In8Rc/EIhmpq1rB6b2J66l00Ivhj58umDgzdKF4vO0QwONRQPG0Cfl dJnGD3HOy32IUC2EpRkM1OOUMCWb//kIfFXdOFomlWb9sjIt+cknIdQrAR1PiHrixC1jvqDXVZCAo mW6gcChG23JqJ9e/W8t/DAF0jZibPSj82kv3P7HDgbdlcL9cXippXWKhDAHMP2BquPjQOyVcoM1LJ eOOZlGsGNJQ5bXqHiidxYUgkJ1v+s9B4RblkU3dlmHBcfS8EeX7TZrRygldGwjliHFZlAg/zk8x06 HPzw16vw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjwJV-00000005BEh-1E1K; Fri, 30 Aug 2024 07:44:57 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjwJT-00000005BEN-12AX for linux-mediatek@bombadil.infradead.org; Fri, 30 Aug 2024 07:44:55 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qB/YX4GsAIz1IbnbtiqRVmnhz51HwfzUV8S8YPMqW0Q=; b=FgzU9YixstC7UUUdhtFUix4mA8 dpaO6jJfN4PJ434ro6s80jd5cY3vrBYBhP2tyQf4XQm3JlT0GDb1a/J/vbzQFiGeOSRIM2koMu6Lx ANPtrVkuhN+XYnJQvC5Ny87RQEC5JIH52LXEdWyCmayHUTge/a8T8xqopukdGGT5Xu1NEgmyn0kVT NofVMxbVlIY/e2CpFJUmkDTD5rIT9MO5vY7T/6n2MfnQmpqAnLA/JmIixtPEBq27NsB9WiP22KJGe Qd4OrCs3nEouumGTPECMCwtwTXYW0qaAOedVPM1fdZjRoMBlem9W1DnxUcuqbjJK0gNNvMixVP5Ld f8p1urnw==; Received: from mailgw02.mediatek.com ([216.200.240.185]) by desiato.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjwJK-0000000BayG-0B8G for linux-mediatek@lists.infradead.org; Fri, 30 Aug 2024 07:44:49 +0000 X-UUID: b1520a7466a311efba0aef63c0775dbf-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:ab8c322e-8c32-400f-9438-207f6bdc1d87,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:ca8c0a15-737d-40b3-9394-11d4ad6e91a1,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: b1520a7466a311efba0aef63c0775dbf-20240830 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 484239719; Fri, 30 Aug 2024 00:44:31 -0700 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> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240830_084446_919983_F9BA28D2 X-CRM114-Status: GOOD ( 11.35 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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))