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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D58DBC433EF for ; Thu, 14 Apr 2022 03:40:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231419AbiDNDnL (ORCPT ); Wed, 13 Apr 2022 23:43:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235002AbiDNDnK (ORCPT ); Wed, 13 Apr 2022 23:43:10 -0400 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55DB615A0E; Wed, 13 Apr 2022 20:40:44 -0700 (PDT) X-UUID: c05a8078b41941aa8233f4154241fc9b-20220414 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.4,REQID:818fe170-59ba-46af-8fc6-e370c6b59fba,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:faefae9,CLOUDID:a40217a9-d103-4e36-82b9-b0e86991b3df,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,File:nil,QS:0,BEC:nil X-UUID: c05a8078b41941aa8233f4154241fc9b-20220414 Received: from mtkexhb02.mediatek.inc [(172.21.101.103)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1906566215; Thu, 14 Apr 2022 11:40:39 +0800 Received: from mtkexhb02.mediatek.inc (172.21.101.103) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Thu, 14 Apr 2022 11:40:38 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkexhb02.mediatek.inc (172.21.101.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 14 Apr 2022 11:40:37 +0800 Received: from mtksdccf07 (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 14 Apr 2022 11:40:37 +0800 Message-ID: Subject: Re: [PATCH V2 12/15] cpufreq: mediatek: Use maximum voltage in init stage From: Rex-BC Chen To: AngeloGioacchino Del Regno , , , , CC: , , , , , , , , , Date: Thu, 14 Apr 2022 11:40:37 +0800 In-Reply-To: <5f788a8f-7092-19ca-8499-d3626c4a386d@collabora.com> References: <20220408045908.21671-1-rex-bc.chen@mediatek.com> <20220408045908.21671-13-rex-bc.chen@mediatek.com> <5f788a8f-7092-19ca-8499-d3626c4a386d@collabora.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, 2022-04-08 at 15:37 +0200, AngeloGioacchino Del Regno wrote: > Il 08/04/22 06:59, Rex-BC Chen ha scritto: > > From: Jia-Wei Chang > > > > Two or more clients may use the same regulator, and it could cause > > the > > issue of high-freqeuncy-low-voltage. > > To prevent this, we use maximum voltage in > > mtk_cpu_dvfs_info_init(). > > > > Signed-off-by: Jia-Wei Chang > > Is this happening for proc-supply (proc_reg)? > ...because it looks like it is, so you should send this commit > separately > and with an appropriate Fixes: tag. Hello all, If we use the value of max(booting voltage, target cpufreq voltage) when cci is not ready, I think we don't need this patch to prevent high frequenc low voltage issue. (mentioned in [1]) I will drop this patch in next version. Thanks. [1]:https://patchwork.kernel.org/comment/24816091/ BRs, Rex