From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0D221C10F13 for ; Thu, 11 Apr 2019 12:48:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DBE682184E for ; Thu, 11 Apr 2019 12:48:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727019AbfDKMr4 (ORCPT ); Thu, 11 Apr 2019 08:47:56 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:6165 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726585AbfDKMrc (ORCPT ); Thu, 11 Apr 2019 08:47:32 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D5A563E6FF00AA29964B; Thu, 11 Apr 2019 20:47:29 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.408.0; Thu, 11 Apr 2019 20:47:20 +0800 From: John Garry To: , CC: , , , Luo Jiaxing , John Garry Subject: [PATCH 7/9] scsi: hisi_sas: Don't hard reset disk during controller reset Date: Thu, 11 Apr 2019 20:46:42 +0800 Message-ID: <1554986804-233706-8-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1554986804-233706-1-git-send-email-john.garry@huawei.com> References: <1554986804-233706-1-git-send-email-john.garry@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Luo Jiaxing In the function of hisi_sas_init_device(), we added ops->hardreset() to clear affiliation of STP target port or handle [STP pending] state. Function hisi_sas_init_device() will be called when a device is found or during controller reset. At controller reset, we call hisi_sas_init_device() to re-init the disks, so calling hardreset() is unnecessary and it also will cause some delay at controller reset. Signed-off-by: Luo Jiaxing Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index ede812759991..c02cf78a20c7 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -754,7 +754,8 @@ static int hisi_sas_init_device(struct domain_device *device) * STP target port */ local_phy = sas_get_local_phy(device); - if (!scsi_is_sas_phy_local(local_phy)) { + if (!scsi_is_sas_phy_local(local_phy) && + !test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags)) { unsigned long deadline = ata_deadline(jiffies, 20000); struct sata_device *sata_dev = &device->sata_dev; struct ata_host *ata_host = sata_dev->ata_host; -- 2.17.1