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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MIME_BASE64_TEXT,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 8218EC433DF for ; Thu, 2 Jul 2020 01:32:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5030820748 for ; Thu, 2 Jul 2020 01:32:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="CgwZgTOh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729413AbgGBBcm (ORCPT ); Wed, 1 Jul 2020 21:32:42 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:32759 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728551AbgGBBcj (ORCPT ); Wed, 1 Jul 2020 21:32:39 -0400 X-UUID: 362059a602234cf295d44ba4d16ec340-20200702 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=Fi9mrlEmH73T+Qs6zhoiNlw3NLg/Wea1yifZo8JP4Y0=; b=CgwZgTOhBxzcJIIsXa1MesRryiPmjqC2lXgtysirnwkJ1Xsey+fsObHbO3yYDM+QY7wYeMLonWegUj8sTU7RByWh/LN13iAEPyohjXt8+AOKEZ4OaipRhRC9ZWsEB2djGRmfbiuZlC+0AX0J1RKwW3fSwz/whxBtTqc8vCI0kWQ=; X-UUID: 362059a602234cf295d44ba4d16ec340-20200702 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 261882455; Thu, 02 Jul 2020 09:32:35 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 2 Jul 2020 09:32:24 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 2 Jul 2020 09:32:20 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , , , Stanley Chu Subject: [RFC PATCH v1] scsi: ufs: Quiesce all scsi devices before shutdown Date: Thu, 2 Jul 2020 09:32:10 +0800 Message-ID: <20200702013210.22958-1-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-TM-SNTS-SMTP: 18A2182863CD6381535D3CFD5930C92F55638ED85AF7A2AFA65EACC53C1742932000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Q3VycmVudGx5IEkvTyByZXF1ZXN0IGNvdWxkIGJlIHN0aWxsIHN1Ym1pdHRlZCB0byBVRlMgZGV2 aWNlIHdoaWxlDQpVRlMgaXMgd29ya2luZyBvbiBzaHV0ZG93biBmbG93LiBUaGlzIG1heSBsZWFk IHRvIHJhY2luZyBhcyBiZWxvdw0Kc2NlbmFyaW9zIGFuZCBmaW5hbGx5IHN5c3RlbSBtYXkgY3Jh c2ggZHVlIHRvIHVuY2xvY2tlZCByZWdpc3Rlcg0KYWNjZXNzZXMuDQoNClRvIGZpeCB0aGlzIGtp bmQgb2YgaXNzdWVzLCBzcGVjaWZpY2FsbHkgcXVpZXNjZSBhbGwgU0NTSSBkZXZpY2VzDQpiZWZv cmUgVUZTIHNodXRkb3duIHRvIGJsb2NrIGFsbCBJL08gcmVxdWVzdCBzZW5kaW5nIGZyb20gYmxv Y2sNCmxheWVyLg0KDQpFeGFtcGxlIG9mIHJhY2luZyBzY2VuYXJpbzogV2hpbGUgVUZTIGRldmlj ZSBpcyBydW50aW1lLXN1c3BlbmRlZA0KDQpUaHJlYWQgIzE6IEV4ZWN1dGluZyBVRlMgc2h1dGRv d24gZmxvdywgZS5nLiwNCiAgICAgICAgICAgdWZzaGNkX3N1c3BlbmQoVUZTX1NIVVRET1dOX1BN KQ0KVGhyZWFkICMyOiBFeGVjdXRpbmcgcnVudGltZSByZXN1bWUgZmxvdyB0cmlnZ2VyZWQgYnkg SS9PIHJlcXVlc3QsDQogICAgICAgICAgIGUuZy4sIHVmc2hjZF9yZXN1bWUoVUZTX1JVTlRJTUVf UE0pDQoNClRoaXMgYnJlYWtzIHRoZSBhc3N1bXB0aW9uIHRoYXQgVUZTIFBNIGZsb3dzIGNhbiBu b3QgYmUgcnVubmluZw0KY29uY3VycmVudGx5IGFuZCB0aHVzIHNvbWUgdW5leHBlY3RlZCByYWNp bmcgYmVoYXZpb3IgbWF5IGhhcHBlbi4NCg0KU2lnbmVkLW9mZi1ieTogU3RhbmxleSBDaHUgPHN0 YW5sZXkuY2h1QG1lZGlhdGVrLmNvbT4NCi0tLQ0KIGRyaXZlcnMvc2NzaS91ZnMvdWZzaGNkLmMg fCA0ICsrKysNCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspDQoNCmRpZmYgLS1naXQg YS9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jIGIvZHJpdmVycy9zY3NpL3Vmcy91ZnNoY2QuYw0K aW5kZXggNTkzNThiYjc1MDE0Li5jYWRmYTkwMDY5NzIgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL3Nj c2kvdWZzL3Vmc2hjZC5jDQorKysgYi9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jDQpAQCAtODU5 OSwxMCArODU5OSwxNCBAQCBFWFBPUlRfU1lNQk9MKHVmc2hjZF9ydW50aW1lX2lkbGUpOw0KIGlu dCB1ZnNoY2Rfc2h1dGRvd24oc3RydWN0IHVmc19oYmEgKmhiYSkNCiB7DQogCWludCByZXQgPSAw Ow0KKwlzdHJ1Y3Qgc2NzaV90YXJnZXQgKnN0YXJnZXQ7DQogDQogCWlmICghaGJhLT5pc19wb3dl cmVkKQ0KIAkJZ290byBvdXQ7DQogDQorCWxpc3RfZm9yX2VhY2hfZW50cnkoc3RhcmdldCwgJmhi YS0+aG9zdC0+X190YXJnZXRzLCBzaWJsaW5ncykNCisJCXNjc2lfdGFyZ2V0X3F1aWVzY2Uoc3Rh cmdldCk7DQorDQogCWlmICh1ZnNoY2RfaXNfdWZzX2Rldl9wb3dlcm9mZihoYmEpICYmIHVmc2hj ZF9pc19saW5rX29mZihoYmEpKQ0KIAkJZ290byBvdXQ7DQogDQotLSANCjIuMTguMA0K