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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 EF116C432C0 for ; Mon, 2 Dec 2019 01:07:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4E372146E for ; Mon, 2 Dec 2019 01:07:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="RCszI+nV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727279AbfLBBHl (ORCPT ); Sun, 1 Dec 2019 20:07:41 -0500 Received: from mailout1.samsung.com ([203.254.224.24]:21931 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727266AbfLBBHk (ORCPT ); Sun, 1 Dec 2019 20:07:40 -0500 Received: from epcas1p4.samsung.com (unknown [182.195.41.48]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20191202010736epoutp01864cf99c22f75951df18ab7b869b21da~caH0bH7kq1117611176epoutp01F for ; Mon, 2 Dec 2019 01:07:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20191202010736epoutp01864cf99c22f75951df18ab7b869b21da~caH0bH7kq1117611176epoutp01F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1575248856; bh=UkE7utluuyMhSecKy49iKbgRKNukxrR8skMg1MOl7Ww=; h=Subject:To:Cc:From:Date:In-Reply-To:References:From; b=RCszI+nVZ6qzo13bLF/GH1l7Mxj6D0bUk2etrvBWdTxw9ytyBQ4uQvYZVbZaYw/QW HP1Vx7/IUgbr3cCDcKEYZTqHLDkeLHOFdx6jBxfgPHa2BMiPBD5cgGvpcaWbbGPCjB +TjOA3Q61Nz4H9rvl0uoyleMGWXDsfWbNtyO0qqY= Received: from epsnrtp1.localdomain (unknown [182.195.42.162]) by epcas1p1.samsung.com (KnoxPortal) with ESMTP id 20191202010735epcas1p179a0d92920493c03f14269115dac3963~caHzxPN502865628656epcas1p19; Mon, 2 Dec 2019 01:07:35 +0000 (GMT) Received: from epsmges1p3.samsung.com (unknown [182.195.40.158]) by epsnrtp1.localdomain (Postfix) with ESMTP id 47R6R91FF0zMqYm2; Mon, 2 Dec 2019 01:07:33 +0000 (GMT) Received: from epcas1p1.samsung.com ( [182.195.41.45]) by epsmges1p3.samsung.com (Symantec Messaging Gateway) with SMTP id 82.6E.52419.DC364ED5; Mon, 2 Dec 2019 10:07:25 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas1p3.samsung.com (KnoxPortal) with ESMTPA id 20191202010724epcas1p3da6a7e192a91dc8f84f9164f0d3b9bd5~caHprx-pr2599525995epcas1p3o; Mon, 2 Dec 2019 01:07:24 +0000 (GMT) Received: from epsmgms1p1new.samsung.com (unknown [182.195.42.41]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20191202010724epsmtrp2d101414b322de4f9db1da8f0b7f8e4e4~caHpq7J6Z2289222892epsmtrp2l; Mon, 2 Dec 2019 01:07:24 +0000 (GMT) X-AuditID: b6c32a37-59fff7000001ccc3-ea-5de463cd4df8 Received: from epsmtip2.samsung.com ( [182.195.34.31]) by epsmgms1p1new.samsung.com (Symantec Messaging Gateway) with SMTP id C2.DD.10238.CC364ED5; Mon, 2 Dec 2019 10:07:24 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20191202010724epsmtip225c311be6e818f5cd1390a043a1048b5~caHpZThhA2242022420epsmtip2Z; Mon, 2 Dec 2019 01:07:24 +0000 (GMT) Subject: Re: [PATCH RFC 1/2] PM / devfreq: Add PM QoS support To: Leonard Crestez , Matthias Kaehlcke , "Rafael J. Wysocki" Cc: Kyungmin Park , MyungJoo Ham , =?UTF-8?B?QXJ0dXIgxZp3aWdvxYQ=?= , Saravana Kannan , Krzysztof Kozlowski , Alexandre Bailon , Georgi Djakov , Jacky Bai , Viresh Kumar , NXP Linux Team , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <4615f751-d5d6-887f-cc9d-ec802f3c9c31@samsung.com> Date: Mon, 2 Dec 2019 10:13:41 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA01TbUxTVxjO6W3vvciqZ/XrHVkY3O2PZGivpXowYrbIlruMHyQzm9PUegM3 LaFf6W3NwGTrDFPonKgLMUPI8CtWzCJ0CNXAGutnYYAwraKSzRUH2WaJa3BMNFnbyzL+Pe/z PO9587znHJbSTdE5bJXDI7kdoo2jF6m7L68qLBysmDDph/6mSeTaeYbMDPQjcqQvSJPh4Q6G DO75kyGB8ScaEozHNMT/7AxFkl9dQSTZEUfk/ucBmpwdukSTHwdGU2rkBU06Z4S3lgjTd79g hKO+EbXQFvQKwfYGWngQ66WF709+JnQmQirhUqJXJXTd3qcWDnS1IyEZzC3P3la90SqJlZI7 T3JUOCurHJYS7v0PzJvNxnV6vpAvJuu5PIdol0q40rLywnerbKkkXN4u0eZNUeWiLHNrNm10 O70eKc/qlD0lnOSqtLmKXatl0S57HZbVFU77Bl6vX2tMGXdWW0OBG5SrSfPJ6PmtPtSi9qMs FnAR1IV8lB8tYnU4hKDz5wCjFH8huNoTmVeeIjh4+CzyIzbT4rsICt+HINr/m0YpphFM3hqm 0ucuxSXww/GAJo2X4U/hn+P+jInCTyiI3zqXEWhcAOGpu3QaL8H5cHs2jtJYizdBU+uYKo3V +A048fRI5tDl+EOIdtfNe16G6DcTmRBZeAfMxqczfgqvhHsT387j16DncUsmAuAYA8n+q4yS uhS+65mjFLwUfr/eNc/nQDLRRyt4N5yJXqGV5noEXeGbGkUwQPjU16r0Lii8Cs5dXKPQ+XBh rhUpgxdDYma/RlmXFur36hTL6/DTL+MqBb8CJ/Y10AcR17wgTvOCCM0LIjT/P6wNqdvRCskl 2y2SzLsMC287iDKvvGB9CHUMlUUQZhH3klY/FTfpNOIuucYeQcBS3DLtHe6hSaetFGtqJbfT 7PbaJDmCjKltH6Jyllc4U3/G4THzxrUGg4EU8euMPM+t1LKzIyYdtogeqVqSXJL7vz4Vm5Xj Q0X6BlNu1DvGW2Sr/c2PEoN78r2TBz6Oj0we09LZh3Zm773mqT8Zndv2XrFu86Pnp2Oxw3Xv RHrJlzX3LzSOT/+xw1dEL94+FvYZbW3OfPbXY3OcYXR/6yOzJ/xwqzhQ1t346s2pt68frd3S dIppGXuuKm3E280bquXS3NoaJpfh1LJV5Asotyz+CwgC/ej7AwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsWy7bCSvO6Z5CexBlMuqVgcOraV3eLr6VOM FtP3bmKzOH9+A7vF2aY37BYr7n5ktdj0+BqrRdevlcwWn3uPMFp83vCY0eJ24wo2i9XnDrJZ nDl9CSh76C+bxcavHg78Hu9vtLJ7zG64yOKxYFOpx6ZVnWwed67tYfPYvKTeY+O7HUweB9/t YfLYcrWdxaNvyypGj8+b5AK4o7hsUlJzMstSi/TtErgydqw4wVwwlbXi0taIBsY5LF2MHBwS AiYSDbskuhi5OIQEdjNKNE0+zt7FyAkUl5SYdvEoM0SNsMThw8UQNW8ZJWYeus4GUiMsYCux b9EKVhBbRKBO4tPvA4wgRcwCH5klDi5azAzR8YhR4s3JFUwgVWwCWhL7X9wA6+YXUJS4+uMx I4jNK2AnMXXuTbAaFgEVicXfpjOD2KICYRI7lzxmgqgRlDg58wkLiM0pECfx4/F7sDizgLrE n3mXmCFscYlbT+ZDxeUltr+dwzyBUXgWkvZZSFpmIWmZhaRlASPLKkbJ1ILi3PTcYsMCw7zU cr3ixNzi0rx0veT83E2M4JjW0tzBeHlJ/CFGAQ5GJR7ejlePY4VYE8uKK3MPMUpwMCuJ8F5X ehgrxJuSWFmVWpQfX1Sak1p8iFGag0VJnPdp3rFIIYH0xJLU7NTUgtQimCwTB6dUA6NR+qWj J/a0bM+K/u61fGppGmvcigDV03Lhu06InBMLX/n+ZPqenhPRHalNTn5vFJ0/HXmxz1ajSK7q cuP0VWyP/qRI8QdmFRUcvzWD44XZ4xvuEZJGt8zZcvQK9EOmzzPcUnPjoXiOz/n7Qc+OnJWa de/Prmldc3ffF7quXfC+oPrQdNXzN72VWIozEg21mIuKEwFy9ch55QIAAA== X-CMS-MailID: 20191202010724epcas1p3da6a7e192a91dc8f84f9164f0d3b9bd5 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20191119161307epcas1p485934ab601ca59fc979bf8d2e1961892 References: Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org On 11/20/19 1:12 AM, Leonard Crestez wrote: > Register notifiers with the PM QoS framework in order to respond to > requests for DEV_PM_QOS_MIN_FREQUENCY and DEV_PM_QOS_MAX_FREQUENCY. > > No notifiers are added by this patch but PM QoS constraints can be > imposed externally (for example from other devices). > > Signed-off-by: Leonard Crestez > --- > drivers/devfreq/devfreq.c | 77 +++++++++++++++++++++++++++++++++++++++ > include/linux/devfreq.h | 5 +++ > 2 files changed, 82 insertions(+) > Acked-by: Chanwoo Choi (snip) -- Best Regards, Chanwoo Choi Samsung Electronics