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=-6.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS 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 919B9C169C4 for ; Mon, 11 Feb 2019 12:22:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57B992075B for ; Mon, 11 Feb 2019 12:22:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="c6efbC+A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727300AbfBKMWf (ORCPT ); Mon, 11 Feb 2019 07:22:35 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:53566 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727171AbfBKMWe (ORCPT ); Mon, 11 Feb 2019 07:22:34 -0500 Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout1.w1.samsung.com (KnoxPortal) with ESMTP id 20190211122232euoutp010a59aa566b46a07273efad67afe12337~CTrL_N6kQ3194631946euoutp01O for ; Mon, 11 Feb 2019 12:22:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.w1.samsung.com 20190211122232euoutp010a59aa566b46a07273efad67afe12337~CTrL_N6kQ3194631946euoutp01O DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1549887752; bh=FEymqXMagb8tOAk1L8rW9QWxJeADpSQGMvDaz3bgrAA=; h=Subject:To:Cc:From:Date:In-Reply-To:References:From; b=c6efbC+A5nF1kTIle7HCvtqXIkc15DP5HtTeMVmlCS8wl0pW0JkXFJdmo7GLyJI8/ uw4/MOMOvaUo5qoscmdgFqSBhwR2bGZpEjVKfQ0QvGt/AdI8ttqg/9t4uY49hL+EIV F5lgaHk6Tz6JHUsIdLjZ2NOdWUOo8hRL6Rw70mew= Received: from eusmges1new.samsung.com (unknown [203.254.199.242]) by eucas1p2.samsung.com (KnoxPortal) with ESMTP id 20190211122231eucas1p2f51155f16314ebf15debba010f1dd737~CTrLMnq-p0488704887eucas1p2f; Mon, 11 Feb 2019 12:22:31 +0000 (GMT) Received: from eucas1p2.samsung.com ( [182.198.249.207]) by eusmges1new.samsung.com (EUCPMTA) with SMTP id E2.DC.04441.709616C5; Mon, 11 Feb 2019 12:22:31 +0000 (GMT) Received: from eusmtrp2.samsung.com (unknown [182.198.249.139]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20190211122230eucas1p1322a19c1ae5bd583fc4940a5cd9e4d43~CTrKLdKkz3022830228eucas1p1l; Mon, 11 Feb 2019 12:22:30 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20190211122230eusmtrp23b9e09218f9d6840165e8cc080fdd438~CTrJ8yEHl2466224662eusmtrp2b; Mon, 11 Feb 2019 12:22:30 +0000 (GMT) X-AuditID: cbfec7f2-5e3ff70000001159-67-5c616907887a Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 61.66.04128.609616C5; Mon, 11 Feb 2019 12:22:30 +0000 (GMT) Received: from [106.116.147.30] (unknown [106.116.147.30]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20190211122229eusmtip21be096dcd7fb038a9dfe4c617623161b~CTrJIAe510083400834eusmtip2q; Mon, 11 Feb 2019 12:22:29 +0000 (GMT) Subject: Re: [PATCH 0/2] cpufreq/opp: rework regulator initialization To: Viresh Kumar Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, "Rafael J . Wysocki" , Nishanth Menon , Stephen Boyd , Bartlomiej Zolnierkiewicz , Dave Gerlach , Wolfram Sang , Sudeep.Holla@arm.com From: Marek Szyprowski Message-ID: Date: Mon, 11 Feb 2019 13:22:24 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 MIME-Version: 1.0 In-Reply-To: <20190211095527.5brreiqppn7kk3yt@vireshk-i7> Content-Transfer-Encoding: 7bit Content-Language: en-US X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDKsWRmVeSWpSXmKPExsWy7djP87rsmYkxBsfbhSw2zljPanHzawer xeVdc9gsPvceYbSYcX4fk8WbH2eZLM6cvsRq8e/aRhaL5ad2sFhs/OphsfLELGYHbo8189Yw emxa1cnmcefaHjaPLVfbWTz6tqxi9Dh56gmLx/Eb25k8Pm+SC+CI4rJJSc3JLEst0rdL4MqY 9e4xU8FLrop9k9exNjB+4ehi5OSQEDCRaH69haWLkYtDSGAFo8TxfbegnC+MEm+WTGOCcD4z Sux+/oIVpuXlnr1sEInljBIHnr5hh3DeM0qcbz8NViUs4CrxrPkMUIKDQ0RAS+LlzVSQGmaB 20wSW5o/MIHUsAkYSnS97WIDqeEVsJOYe1wbJMwioCrRfecLO4gtKhAjMeXcETCbV0BQ4uTM JywgNqeApcTsGRfBbGYBeYntb+cwQ9jiEreezAe7WkLgJbtEz/V/TCDzJQRcJDbsZ4F4QFji 1fEt7BC2jMT/nTD1zYwS7TNmsUM4PYwSW+fsYIOospY4fPwiK8ggZgFNifW79CHCjhKnDq9k g5jPJ3HjrSDEDXwSk7ZNZ4YI80p0tAlBVKtJzDq+Dm7twQuXmCcwKs1C8tksJN/MQvLNLIS9 CxhZVjGKp5YW56anFhvmpZbrFSfmFpfmpesl5+duYgSmsdP/jn/awfj1UtIhRgEORiUe3g+J CTFCrIllxZW5hxglOJiVRHhDfRNjhHhTEiurUovy44tKc1KLDzFKc7AoifNWMzyIFhJITyxJ zU5NLUgtgskycXBKNTCqchyesuKbzNrpATuPNBr/t7t8z3Pp41Mp/seuTJzopiT1uvPZFHfj Fw/jw1tTbG/kr3zxqmDFG+Pgvy+P5zTy6egK2VjtzdzH8v3e7zen77rMn51ccP7XsvVH/zNz Kbsf/KgSwJBRkrbcZPNc496p+1zu3pcysKvkEuN66vZ6I+duDoluU5EOJZbijERDLeai4kQA QoH1TV8DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrLIsWRmVeSWpSXmKPExsVy+t/xe7psmYkxBpPWcVtsnLGe1eLm1w5W i8u75rBZfO49wmgx4/w+Jos3P84yWZw5fYnV4t+1jSwWy0/tYLHY+NXDYuWJWcwO3B5r5q1h 9Ni0qpPN4861PWweW662s3j0bVnF6HHy1BMWj+M3tjN5fN4kF8ARpWdTlF9akqqQkV9cYqsU bWhhpGdoaaFnZGKpZ2hsHmtlZKqkb2eTkpqTWZZapG+XoJcx691jpoKXXBX7Jq9jbWD8wtHF yMkhIWAi8XLPXjYQW0hgKaPEjX3mEHEZiZPTGlghbGGJP9e6gGq4gGreMkos2r+BBSQhLOAq 8az5DHsXIweHiICWxMubqSA1zAJ3mSSWT5/GDNGwhEmiacMEZpAGNgFDia63IJM4OHgF7CTm HtcGCbMIqEp03/kCNkdUIEbi6jlGkDCvgKDEyZlPwFZxClhKzJ5xEcxmFlCX+DPvEjOELS+x /e0cKFtc4taT+UwTGIVmIWmfhaRlFpKWWUhaFjCyrGIUSS0tzk3PLTbSK07MLS7NS9dLzs/d xAiM2m3Hfm7Zwdj1LvgQowAHoxIP74fEhBgh1sSy4srcQ4wSHMxKIryhvokxQrwpiZVVqUX5 8UWlOanFhxhNgX6byCwlmpwPTCh5JfGGpobmFpaG5sbmxmYWSuK85w0qo4QE0hNLUrNTUwtS i2D6mDg4pRoYxeWlH/gapL7nOzj30jTuvoX9j+amp0oXHjr6sz+4RXzy2YdCC2bOrzWLru7m ucUn0zjBO2Sr1qeKrsDkYv6DB3aLqgXvaZuwga9PO/t1wM7mRwvEls0I7DGNNNyjlqfUf1JA LM6EOUBY8/C9NKbzlzUqVAqauU8JvDPWvy719NDByWe7hRuUWIozEg21mIuKEwGremaK8AIA AA== X-CMS-MailID: 20190211122230eucas1p1322a19c1ae5bd583fc4940a5cd9e4d43 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20190207122255eucas1p1cdebed838c799eca46cce6a654a26187 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190207122255eucas1p1cdebed838c799eca46cce6a654a26187 References: <20190207122227.19873-1-m.szyprowski@samsung.com> <20190211084413.b53qyx6sgkxsjhdv@vireshk-i7> <9b4a6c9a-93f9-474f-b8c0-4353a531e128@samsung.com> <20190211095527.5brreiqppn7kk3yt@vireshk-i7> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Viresh, On 2019-02-11 10:55, Viresh Kumar wrote: > On 11-02-19, 10:52, Marek Szyprowski wrote: >> On 2019-02-11 09:44, Viresh Kumar wrote: >>> On 07-02-19, 13:22, Marek Szyprowski wrote: >>>> Dear All, >>>> >>>> Recent commit 9ac6cb5fbb17 ("i2c: add suspended flag and accessors for >>>> i2c adapters") added a visible warning for an attempt to do i2c transfer >>>> over a suspended i2c bus. This revealed a long standing issue in the >>>> cpufreq-dt driver, which gives a following warning during system >>>> suspend/resume cycle: >>> Marek, >>> >>> I have sent a patchset which is not directly related to the problem >>> you are facing, but it may solve your problem as a side effect. Can >>> you please see if that works to solve this issue as well ? >>> >>> https://lore.kernel.org/lkml/cover.1549874368.git.viresh.kumar@linaro.org/T/#u >> Thanks for the patch. It indeed solves the problem of the i2c transfer >> in cpu hotplug procedure during system resume, although my resources >> management rewrite is still valid as a way to fix remaining 'todos' in >> the cpufreq-dt driver. > Which remaining todos are you talking about ? Sorry I am not able to > recall :( https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/cpufreq/cpufreq-dt.c#n347 Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland