From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753074AbbALKSg (ORCPT ); Mon, 12 Jan 2015 05:18:36 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:14092 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753026AbbALKSc (ORCPT ); Mon, 12 Jan 2015 05:18:32 -0500 X-AuditID: cbfee690-f79ab6d0000046f7-22-54b39f665aaa Date: Mon, 12 Jan 2015 10:18:14 +0000 (GMT) From: MyungJoo Ham Subject: Re: Re: [PATCHv7 00/10] devfreq: Add devfreq-event class to provide raw data for devfreq device To: =?utf-8?Q?=EC=B5=9C=EC=B0=AC=EC=9A=B0?= , ABHILASH KESAVAN Cc: "kgene@kernel.org" , =?utf-8?Q?=EB=B0=95=EA=B2=BD=EB=AF=BC?= , "rafael.j.wysocki@intel.com" , "mark.rutland@arm.com" , "tomasz.figa@gmail.com" , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , "robh+dt@kernel.org" , =?utf-8?Q?=EB=8C=80=EC=9D=B8=EA=B8=B0?= , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-samsung-soc@vger.kernel.org" Reply-to: myungjoo.ham@samsung.com MIME-version: 1.0 X-MTR: 20150112101805307@myungjoo.ham Msgkey: 20150112101805307@myungjoo.ham X-EPLocale: ko_KR.utf-8 X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-MLAttribute: X-RootMTR: 20150112101805307@myungjoo.ham X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N X-ConfirmMail: N,general Content-type: text/plain; charset=utf-8 MIME-version: 1.0 Message-id: <948926965.905951421057891449.JavaMail.weblogic@epmlwas01a> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMIsWRmVeSWpSXmKPExsWyRsSkSDdt/uYQgynftSwu75rD5sDo8XmT XABjFJdNSmpOZllqkb5dAldG+/ot7AXXBCuWr3nI2MA4Q7CLkZNDSEBdYtGSk2wgtoSAiUTb ueesELaYxIV764HiXEA1SxklPt08zApTtHPbehaIxBxGia+7djOBJFgEVCWaGnYzdzFycLAJ 6EnM/JwMEhYWyJC42/SCEcQWESiWuHV0IitIL7NAO5vEtlXnWCGuUJJYs+8VC4jNKyAocXLm ExaIZaoS0163MkLE1ST2PbwIFReXuDD3EjuEzSsxo/0pVFxOYtrXNcwQtrTE+VkbGGG+Wfz9 MVScX+LY7R1MELaAxNQzB6FqtCQe738D9SSfxJqFb1lg6nedWs4Ms+v+lrlQvRISW1uegNUz CyhKTOl+yA7yO7OApsT6XfroXuEVcJe4teEhVOtUDomm3U4TGJVmISmbhWTSLIRJyEoWMLKs YhRNLUguKE5KLzLRK07MLS7NS9dLzs/dxAhMC6f/PZuwg/HeAetDjAIcjEo8vBZSm0OEWBPL iitzDzGaAiNpIrOUaHI+MPnklcQbGpsZWZiamBobmVuaKYnzvpb6GSwkkJ5YkpqdmlqQWhRf VJqTWnyIkYmDU6qBUSx12twZnFe+tk2frpF7N3up3OKTa+umrnsRFHDkr4el3KslEjJPluyT ENJf8Vd8EneP0+6vLL2m9c0zwj7q1V0w/CmsW9G/xlRk/hO90y189ouijH9d8N+UrlVouHhO wLJA/9/Sm13uzm4Mrzzv+WTq3/9M6WebUmZ2H5tp+EHr6f3iT4vZHJVYijMSDbWYi4oTAW2p v2QGAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKKsWRmVeSWpSXmKPExsVy+t/tPt20+ZtDDLadUra4vGsOmwOjx+dN cgGMUWk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBD lRTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2StGG5kZ6RgZ6pkZ6hsaxVoYGBkamQDUJaRnt 67ewF1wTrFi+5iFjA+MMwS5GTg4hAXWJRUtOsoHYEgImEju3rWeBsMUkLtxbDxTnAqqZwyjx ddduJpAEi4CqRFPDbuYuRg4ONgE9iZmfk0HCwgIZEnebXjCC2CICxRK3jk5kBellFmhnk9i2 6hwrxDIliTX7XoEt4BUQlDg58wnUMlWJaa9bGSHiahL7Hl6EiotLXJh7iR3C5pWY0f4UKi4n Me3rGmYIW1ri/KwNjDBHL/7+GCrOL3Hs9g4mCFtAYuqZg1A1WhKP979hhbD5JNYsfMsCU7/r 1HJmmF33t8yF6pWQ2NryBKyeWUBRYkr3Q3aQ35kFNCXW79JH9wqvgLvErQ0PmSYwys5CkpqF pHsWQjeykgWMLKsYRVMLkguKk9IrjPWKE3OLS/PS9ZLzczcxgpPQs8U7GP+ftz7EKMDBqMTD ayG1OUSINbGsuDL3EKMEB7OSCK9rGVCINyWxsiq1KD++qDQntfgQoykwziYyS4km5wMTZF5J vKGxsYmZiamliYWBqbmSOO//c7khQgLpiSWp2ampBalFMH1MHJxSDYx+B94Ji+xX4c9dLrnt HluG6AqV+sKyyQxMU2ZYPo7b+nTCvbPCTNNqFOSt9E4I6xSZl/qHzCs/fHPaxf3N2r577I8d 2bkxQ26dSNAz+2yZd8ya89X3f5zIKMbesk7lqJ6AT79r0s1Drb9fbV0lurD1Qs12TimN95LV ixjCVvo+Z+zze+jyo0uJpTgj0VCLuag4EQC91qNqWAMAAA== DLP-Filter: Pass X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id t0CAIg8K017331 > > On 01/12/2015 06:58 PM, MyungJoo Ham wrote: >>> >>> This patchset add new devfreq_event class to provide raw data to determine >>> current utilization of device which is used for devfreq governor. >>> >>> The following description explains the feature of two kind of devfreq class: >>> - devfreq class (existing) >>> : devfreq consumer device use raw data from devfreq_event device for >>> determining proper current system state and change voltage/frequency >>> dynamically using various governors. >>> - devfreq_event class (new) >>> : Provide measured raw data to devfreq device for governor >>> >> >> Question: Applying this patchset seems to imply that >> drivers/devfreq/exynos/exynos_ppmu.c becomes obsolete. >> How do you want to address it? Do you think it'd be ok to remove >> thse obsolete drivers after your successing patchset? >> >> If it is ok to remove old drivers after applying the new patchset, >> please inclde a patch that removes old drivers unless such a removal >> might result in compatibility issues with old (yet another obsolete) >> board files, which I don't think probable. > >I agree to remove 'drviers/devfreq/exynos/exynos_ppmu.c. >But, existing exynos_ppmu.c was used for drivers/devfreq/exynos/exynos5_bus.c. > >Before removing existing 'exynos_ppmu.c', might need to test the devfreq-event class >on Exynos5260 SoC. I will just remove old driver('drivers/devfreq/exynos/exynos4_bus.{c|h}') >on next patchset. That's fine with me. Cheers, MyungJoo > >To Abhilash, >Could you test this patch-set on Exynos5260 SoC? > >Best Regards, >Chanwoo Choi {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I