From patchwork Thu Aug 10 16:09:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 9894045 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B206360236 for ; Thu, 10 Aug 2017 15:50:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2AF428B62 for ; Thu, 10 Aug 2017 15:50:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 976A328B66; Thu, 10 Aug 2017 15:50:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 31B0228B5C for ; Thu, 10 Aug 2017 15:50:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753078AbdHJPtH (ORCPT ); Thu, 10 Aug 2017 11:49:07 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:3050 "EHLO szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752891AbdHJPmu (ORCPT ); Thu, 10 Aug 2017 11:42:50 -0400 Received: from 172.30.72.59 (EHLO DGGEMS402-HUB.china.huawei.com) ([172.30.72.59]) by dggrg05-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DEY38521; Thu, 10 Aug 2017 23:42:46 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.301.0; Thu, 10 Aug 2017 23:42:36 +0800 From: John Garry To: , CC: , , , , Xiang Chen , John Garry Subject: [PATCH 03/19] scsi: hisi_sas: fix v2 hw underflow residual value Date: Fri, 11 Aug 2017 00:09:28 +0800 Message-ID: <1502381384-219889-4-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1502381384-219889-1-git-send-email-john.garry@huawei.com> References: <1502381384-219889-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090203.598C7EF7.002C, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 06bfd8345bd6354c443294e6ed437730 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Xiang Chen The value dw0 is the residual bytes when UNDERFLOW error happens, but we filled the residual with the value of dw3 before. So change the residual from dw3 to dw0. Signed-off-by: Xiang Chen Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 8c504b4..a762b25 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1972,7 +1972,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, } case DMA_RX_DATA_LEN_UNDERFLOW: { - ts->residual = dma_rx_err_type; + ts->residual = trans_tx_fail_type; ts->stat = SAS_DATA_UNDERRUN; break; } @@ -2098,7 +2098,7 @@ static void slot_err_v2_hw(struct hisi_hba *hisi_hba, } case DMA_RX_DATA_LEN_UNDERFLOW: { - ts->residual = dma_rx_err_type; + ts->residual = trans_tx_fail_type; ts->stat = SAS_DATA_UNDERRUN; break; }