From patchwork Wed Nov 17 02:45:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chenxiang X-Patchwork-Id: 12623561 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C46CC4332F for ; Wed, 17 Nov 2021 02:50:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7E11B613DB for ; Wed, 17 Nov 2021 02:50:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232768AbhKQCxO (ORCPT ); Tue, 16 Nov 2021 21:53:14 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:15830 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232696AbhKQCxJ (ORCPT ); Tue, 16 Nov 2021 21:53:09 -0500 Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Hv6pk2MxXz915f; Wed, 17 Nov 2021 10:49:50 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by dggeme756-chm.china.huawei.com (10.3.19.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.20; Wed, 17 Nov 2021 10:50:10 +0800 From: chenxiang To: , CC: , , , Xiang Chen Subject: [PATCH 08/15] scsi: hisi_sas: Add more prink for runtime suspend/resume Date: Wed, 17 Nov 2021 10:45:01 +0800 Message-ID: <1637117108-230103-9-git-send-email-chenxiang66@hisilicon.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1637117108-230103-1-git-send-email-chenxiang66@hisilicon.com> References: <1637117108-230103-1-git-send-email-chenxiang66@hisilicon.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.58] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Xiang Chen Add some prink at the beginning and end of suspend/resume. Signed-off-by: Xiang Chen Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 5a83373ac0b1..4e9dfdb69757 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -4896,6 +4896,8 @@ static int _suspend_v3_hw(struct device *device) if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags)) return -1; + dev_warn(dev, "entering suspend state\n"); + scsi_block_requests(shost); set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); flush_workqueue(hisi_hba->wq); @@ -4911,11 +4913,11 @@ static int _suspend_v3_hw(struct device *device) hisi_sas_init_mem(hisi_hba); - dev_warn(dev, "entering suspend state\n"); - hisi_sas_release_tasks(hisi_hba); sas_suspend_ha(sha); + + dev_warn(dev, "end of suspending controller\n"); return 0; } @@ -4953,6 +4955,8 @@ static int _resume_v3_hw(struct device *device) sas_resume_ha_no_sync(sha); clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags); + dev_warn(dev, "end of resuming controller\n"); + return 0; }