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=-11.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable 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 AADEDC55178 for ; Tue, 27 Oct 2020 03:10:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 059A4206C1 for ; Tue, 27 Oct 2020 03:10:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="PoB8GIib" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439065AbgJ0DKU (ORCPT ); Mon, 26 Oct 2020 23:10:20 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:44527 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2438881AbgJ0DKQ (ORCPT ); Mon, 26 Oct 2020 23:10:16 -0400 X-UUID: 521303167da64ede86a4c148edf69fe4-20201027 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=EzDD5L9RbFsFk8w8HPKQxkvcZEHqE3qGEfd/0qTNB1U=; b=PoB8GIibTnjJUf40dj++V2uAWuySkjJlwgJxiMLERIhfeHKONaDsFMEhfQYI5sMJ1CxBlVR8bRfBkrq8lJya1ABJSu6xydR8KB1Dl0I427XgKffN2705COZh2VIY9h7ulGROBHKzL/2eyMWc1kHdnB9aEkfR2LyAAxmnxALCGro=; X-UUID: 521303167da64ede86a4c148edf69fe4-20201027 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1939621523; Tue, 27 Oct 2020 11:10:13 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs02n1.mediatek.inc (172.21.101.77) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 27 Oct 2020 11:10:11 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkcas08.mediatek.inc (172.21.101.126) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 27 Oct 2020 11:10:11 +0800 Received: from [172.21.77.33] (172.21.77.33) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 27 Oct 2020 11:10:11 +0800 Message-ID: <1603768211.2104.8.camel@mtkswgap22> Subject: Re: [PATCH] scsi: ufs: Make sure clk scaling happens only when hba is runtime ACTIVE From: Stanley Chu To: Can Guo CC: , , , , , , , , Alim Akhtar , Avri Altman , "James E.J. Bottomley" , "Martin K. Petersen" , Bean Huo , "Bart Van Assche" , Date: Tue, 27 Oct 2020 11:10:11 +0800 In-Reply-To: <67c4ae5998765daa674a4df696d8d673@codeaurora.org> References: <1600758548-28576-1-git-send-email-cang@codeaurora.org> <67c4ae5998765daa674a4df696d8d673@codeaurora.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 MIME-Version: 1.0 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGkgQ2FuLA0KDQpPbiBUdWUsIDIwMjAtMTAtMjAgYXQgMTA6MzUgKzA4MDAsIENhbiBHdW8gd3Jv dGU6DQo+IEhpIFN0YW5sZXksDQo+IA0KPiBPbiAyMDIwLTA5LTIyIDE1OjA5LCBDYW4gR3VvIHdy b3RlOg0KPiA+IElmIHNvbWVvbmUgcGxheXMgd2l0aCB0aGUgVUZTIGNsayBzY2FsaW5nIGRldmZy ZXEgZ292ZXJub3IgdGhyb3VnaCANCj4gPiBzeXNmcywNCj4gPiB1ZnNoY2RfZGV2ZnJlcV9zY2Fs ZSBtYXkgYmUgY2FsbGVkIGV2ZW4gd2hlbiBoYmEgaXMgbm90IHJ1bnRpbWUgQUNUSVZFLA0KPiA+ IHdoaWNoIGNhbiBsZWFkIHRvIHVuZXhwZWN0ZWQgZXJyb3IuIFdlIGNhbm5vdCBqdXN0IHByb3Rl Y3QgaXQgYnkgDQo+ID4gY2FsbGluZw0KPiA+IHBtX3J1bnRpbWVfZ2V0X3N5bmMsIGJlY2F1c2Ug dGhhdCBtYXkgY2F1c2UgcmFjaW5nIHByb2JsZW0gc2luY2UgaGJhDQo+ID4gcnVudGltZSBzdXNw ZW5kIG9wcyBuZWVkcyB0byBzdXNwZW5kIGNsayBzY2FsaW5nLiBJbiBvcmRlciB0byBmaXggaXQs IA0KPiA+IGNhbGwNCj4gPiBwbV9ydW50aW1lX2dldF9ub3Jlc3VtZSBhbmQgY2hlY2sgaGJhJ3Mg cnVudGltZSBzdGF0dXMsIHRoZW4gb25seSANCj4gPiBwcm9jZWVkDQo+ID4gaWYgaGJhIGlzIHJ1 bnRpbWUgQUNUSVZFLCBvdGhlcndpc2UganVzdCBiYWlsLg0KPiA+IA0KPiA+IGdvdmVybm9yX3N0 b3JlDQo+ID4gIGRldmZyZXFfcGVyZm9ybWFuY2VfaGFuZGxlcg0KPiA+ICAgdXBkYXRlX2RldmZy ZXENCj4gPiAgICBkZXZmcmVxX3NldF90YXJnZXQNCj4gPiAgICAgdWZzaGNkX2RldmZyZXFfdGFy Z2V0DQo+ID4gICAgICB1ZnNoY2RfZGV2ZnJlcV9zY2FsZQ0KPiA+IA0KPiA+IFNpZ25lZC1vZmYt Ynk6IENhbiBHdW8gPGNhbmdAY29kZWF1cm9yYS5vcmc+DQo+ID4gDQo+ID4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvc2NzaS91ZnMvdWZzaGNkLmMgYi9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jDQo+ ID4gaW5kZXggZTRjYjk5NC4uODQ3ZjM1NSAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL3Njc2kv dWZzL3Vmc2hjZC5jDQo+ID4gKysrIGIvZHJpdmVycy9zY3NpL3Vmcy91ZnNoY2QuYw0KPiA+IEBA IC0xMjk0LDggKzEyOTQsMTUgQEAgc3RhdGljIGludCB1ZnNoY2RfZGV2ZnJlcV90YXJnZXQoc3Ry dWN0IGRldmljZSANCj4gPiAqZGV2LA0KPiA+ICAJfQ0KPiA+ICAJc3Bpbl91bmxvY2tfaXJxcmVz dG9yZShoYmEtPmhvc3QtPmhvc3RfbG9jaywgaXJxX2ZsYWdzKTsNCj4gPiANCj4gPiArCXBtX3J1 bnRpbWVfZ2V0X25vcmVzdW1lKGhiYS0+ZGV2KTsNCj4gPiArCWlmICghcG1fcnVudGltZV9hY3Rp dmUoaGJhLT5kZXYpKSB7DQo+ID4gKwkJcG1fcnVudGltZV9wdXRfbm9pZGxlKGhiYS0+ZGV2KTsN Cj4gPiArCQlyZXQgPSAtRUFHQUlOOw0KPiA+ICsJCWdvdG8gb3V0Ow0KPiA+ICsJfQ0KPiA+ICAJ c3RhcnQgPSBrdGltZV9nZXQoKTsNCj4gPiAgCXJldCA9IHVmc2hjZF9kZXZmcmVxX3NjYWxlKGhi YSwgc2NhbGVfdXApOw0KPiA+ICsJcG1fcnVudGltZV9wdXQoaGJhLT5kZXYpOw0KPiA+IA0KPiA+ ICAJdHJhY2VfdWZzaGNkX3Byb2ZpbGVfY2xrX3NjYWxpbmcoZGV2X25hbWUoaGJhLT5kZXYpLA0K PiA+ICAJCShzY2FsZV91cCA/ICJ1cCIgOiAiZG93biIpLA0KPiANCj4gQ291bGQgeW91IHBsZWFz ZSByZXZpZXcgdGhpcyBvbmUgc2luY2Ugd2UgbWF5IGJlIHRoZSBvbmx5IHR3bw0KPiB1c2VycyBv ZiBjbGsgc2NhbGluZz8NCj4gDQoNCkxvb2tzIGdvb2QgdG8gbWUuDQoNClJldmlld2VkLWJ5OiBT dGFubGV5IENodSA8c3RhbmxleS5jaHVAbWVkaWF0ZWsuY29tPg0KDQoNCg==