From patchwork Sun Apr 26 17:30:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alim Akhtar X-Patchwork-Id: 11510797 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 538B014DD for ; Sun, 26 Apr 2020 17:42:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 35AAD216FD for ; Sun, 26 Apr 2020 17:42:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="YPzC335g" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726472AbgDZRmu (ORCPT ); Sun, 26 Apr 2020 13:42:50 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:33761 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726397AbgDZRmQ (ORCPT ); Sun, 26 Apr 2020 13:42:16 -0400 Received: from epcas5p3.samsung.com (unknown [182.195.41.41]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20200426174214epoutp03f32276490c83f49312fa809bd5f78223~Jb37hHKUE0343203432epoutp03h for ; Sun, 26 Apr 2020 17:42:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20200426174214epoutp03f32276490c83f49312fa809bd5f78223~Jb37hHKUE0343203432epoutp03h DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1587922934; bh=x/NJP4BcylUgWL3qK+Vpk3L9Gg4VlYVDP50hn5tTzsY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YPzC335gWq4FKNsmz4zUxj0cx408Mr/ywT3mXo5TyE3MztXpYcDfulROseqeyo+oO T4IbUfLj5pVrvMysj/a3s24ZGkyUuYdQ49GsBOAFKDsB8sUwEUl4tvrH854qMp8a2J WbZ+qed6nwPrqLY8oe/d6wi3Ctz1V8p71ZYQjO7g= Received: from epsmges5p3new.samsung.com (unknown [182.195.42.75]) by epcas5p2.samsung.com (KnoxPortal) with ESMTP id 20200426174213epcas5p22d1d871bcae20c22c9a300c05f935d0e~Jb37Clgx40053600536epcas5p2g; Sun, 26 Apr 2020 17:42:13 +0000 (GMT) Received: from epcas5p1.samsung.com ( [182.195.41.39]) by epsmges5p3new.samsung.com (Symantec Messaging Gateway) with SMTP id 0B.DE.04736.5F7C5AE5; Mon, 27 Apr 2020 02:42:13 +0900 (KST) Received: from epsmtrp1.samsung.com (unknown [182.195.40.13]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20200426174213epcas5p3f5b403eafe77d98cbe0b92ccb3fd56b2~Jb36kVMSB0554805548epcas5p3J; Sun, 26 Apr 2020 17:42:13 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20200426174213epsmtrp1d2367c630dce0e0840a41cf3c6625fe5~Jb36jh32o0798907989epsmtrp1S; Sun, 26 Apr 2020 17:42:13 +0000 (GMT) X-AuditID: b6c32a4b-acbff70000001280-02-5ea5c7f5bffd Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id AB.FF.18461.5F7C5AE5; Mon, 27 Apr 2020 02:42:13 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200426174211epsmtip10673fa7d201900c15d21f4d9f9dad6d5~Jb34tKWaM2817828178epsmtip1K; Sun, 26 Apr 2020 17:42:11 +0000 (GMT) From: Alim Akhtar To: robh@kernel.org Cc: devicetree@vger.kernel.org, linux-scsi@vger.kernel.org, krzk@kernel.org, avri.altman@wdc.com, martin.petersen@oracle.com, kwmad.kim@samsung.com, stanley.chu@mediatek.com, cang@codeaurora.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Alim Akhtar Subject: [PATCH v7 05/10] scsi: ufs: add quirk to fix abnormal ocs fatal error Date: Sun, 26 Apr 2020 23:00:19 +0530 Message-Id: <20200426173024.63069-6-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200426173024.63069-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupnleLIzCtJLcpLzFFi42LZdlhTXffr8aVxBhNP6Fs8mLeNzeLlz6ts Fp/WL2O1mH/kHKvF+fMb2C1ubjnKYrHp8TVWi8u75rBZzDi/j8mi+/oONovlx/8xWfzfs4Pd YunWm4wOvB6X+3qZPDat6mTz2Lyk3qPl5H4Wj49Pb7F49G1ZxejxeZOcR/uBbqYAjigum5TU nMyy1CJ9uwSujFMXdzAWXOetmPastoFxIXcXIyeHhICJRNejW4xdjFwcQgK7GSVaNs9kg3A+ MUrc3bOSFcL5xihxeu5kFpiWRVffQVXtZZRoXPGbCcJpYZLoPHgLrIpNQFvi7vQtTCC2iICw xJFvbYwgNrPADSaJBytdQGxhgQCJBxN62EBsFgFViS1r/rGC2LwCNhIXHi9hhtgmL7F6wwEw m1PAVuLUjF1MEPFODonT7+IhbBeJzrMboOqFJV4d38IOYUtJvOxvA7I5gOxsiZ5dxhDhGoml 845BPWMvceDKHBaQEmYBTYn1u/QhruST6P39hAmik1eio00IolpVovndVahOaYmJ3d2sELaH xJnNW6ChMIFRYtKhVrYJjLKzEKYuYGRcxSiZWlCcm55abFpgnJdarlecmFtcmpeul5yfu4kR nEy0vHcwbjrnc4hRgINRiYeXY/vSOCHWxLLiytxDjBIczEoivDEli+KEeFMSK6tSi/Lji0pz UosPMUpzsCiJ805ivRojJJCeWJKanZpakFoEk2Xi4JRqYPQPXsbi77fnwI91cc90GUt2pAhs sXHtY3T+KurYsf8T50PeO+Zfbh1XWn3j1eQd5auad259bb8951HgyYU/W4zO7px4Zkby7kdC 8oedbCd+ffyKaWeCfK/7o8dqEcUuHy/GfKxs5LWNWP/oqNBNvRDnSYf38fd+KHE2kSwN41zx s1ptZ2y5RYASS3FGoqEWc1FxIgClp2bjIgMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrILMWRmVeSWpSXmKPExsWy7bCSnO7X40vjDD4/4rd4MG8bm8XLn1fZ LD6tX8ZqMf/IOVaL8+c3sFvc3HKUxWLT42usFpd3zWGzmHF+H5NF9/UdbBbLj/9jsvi/Zwe7 xdKtNxkdeD0u9/UyeWxa1cnmsXlJvUfLyf0sHh+f3mLx6NuyitHj8yY5j/YD3UwBHFFcNimp OZllqUX6dglcGacu7mAsuM5bMe1ZbQPjQu4uRk4OCQETiUVX37F1MXJxCAnsZpR4e/49G0RC WuL6xgnsELawxMp/z9khipqYJGa82c8EkmAT0Ja4O30LmC0CVHTkWxsjiM0s8IxJ4tTDUhBb WMBPouXDf2YQm0VAVWLLmn+sIDavgI3EhcdLmCEWyEus3nAAzOYUsJU4NWMX0EwOoGU2EtPX +09g5FvAyLCKUTK1oDg3PbfYsMAwL7Vcrzgxt7g0L10vOT93EyM4lLU0dzBuX/VB7xAjEwfj IUYJDmYlEd6YkkVxQrwpiZVVqUX58UWlOanFhxilOViUxHlvFC6MExJITyxJzU5NLUgtgsky cXBKNTAlLUl58eV5fE3WweRjeyL0F020uThbiaNpeUrppVuOM/6c3OMintHw9ucmO0+NnSo3 5wZ/a2XZ4LBEoszgv1ICa8UyB+8Pib/1brM5O/RzK2ZWcy2ZZ8Gzvuh/eKvez9CszIXOnO9M 8nt8nGOPF4faneL/7Krzt7717Fr+D9/mvTGtdlt1draAWueXh6lKE1WdF2s7Nc9y1fevrTj2 7KHFkXn/76s1b2xMmf/0tnKU9E/XCv+ccw5Fole+T/62OlTd3IxfRvXV8b/zn3y59fP83oCA GwlzP8Rqf/c7M/NQ55OTGp4HK3I+TWydxFzXX/s5/MUM/bo70h41M90Oz/KbbLxt9pxf1jlF QtcPWrUpsRRnJBpqMRcVJwIAZ+voQNQCAAA= X-CMS-MailID: 20200426174213epcas5p3f5b403eafe77d98cbe0b92ccb3fd56b2 X-Msg-Generator: CA CMS-TYPE: 105P X-CMS-RootMailID: 20200426174213epcas5p3f5b403eafe77d98cbe0b92ccb3fd56b2 References: <20200426173024.63069-1-alim.akhtar@samsung.com> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Kiwoong Kim Some controller like Exynos determines if FATAL ERROR (0x7) in OCS field in UTRD occurs for values other than GOOD (0x0) in STATUS field in response upiu as well as errors that a host controller can't cover. This patch is to prevent from reporting command results in those cases. Signed-off-by: Kiwoong Kim Signed-off-by: Alim Akhtar Reviewed-by: Avri Altman --- drivers/scsi/ufs/ufshcd.c | 6 ++++++ drivers/scsi/ufs/ufshcd.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index ba093d0d0942..33ebffa8257d 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -4794,6 +4794,12 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) /* overall command status of utrd */ ocs = ufshcd_get_tr_ocs(lrbp); + if (hba->quirks & UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR) { + if (be32_to_cpu(lrbp->ucd_rsp_ptr->header.dword_1) & + MASK_RSP_UPIU_RESULT) + ocs = OCS_SUCCESS; + } + switch (ocs) { case OCS_SUCCESS: result = ufshcd_get_req_rsp(lrbp->ucd_rsp_ptr); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index a9b9ace9fc72..e1d09c2c4302 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -541,6 +541,12 @@ enum ufshcd_quirks { * resolution of the values of PRDTO and PRDTL in UTRD as byte. */ UFSHCD_QUIRK_PRDT_BYTE_GRAN = 1 << 9, + + /* + * This quirk needs to be enabled if the host controller reports + * OCS FATAL ERROR with device error through sense data + */ + UFSHCD_QUIRK_BROKEN_OCS_FATAL_ERROR = 1 << 10, }; enum ufshcd_caps {