From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755762AbaIWCLd (ORCPT ); Mon, 22 Sep 2014 22:11:33 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:29369 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755742AbaIWCLa (ORCPT ); Mon, 22 Sep 2014 22:11:30 -0400 X-AuditID: cbfee68d-f79296d000004278-75-5420d6cf6480 Message-id: <5420D6CE.7050606@samsung.com> Date: Tue, 23 Sep 2014 11:11:26 +0900 From: Chanwoo Choi User-Agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 MIME-version: 1.0 To: Paul Bolle Cc: myungjoo.ham@samsung.com, linux-pm@vger.kernel.org, kyungmin.park@samsung.com, rafael.j.wysocki@intel.com, a.kesavan@samsung.com, kgene.kim@samsung.com, tomasz.figa@gmail.com, b.zolnierkie@samsung.com, nm@ti.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [RFC PATCH 2/5] devfreq: event: Add exynos-ppmu devfreq evnet driver References: <1409891419-28560-1-git-send-email-cw00.choi@samsung.com> <1409891419-28560-3-git-send-email-cw00.choi@samsung.com> <1410511274.31130.7.camel@x220> In-reply-to: <1410511274.31130.7.camel@x220> Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrNIsWRmVeSWpSXmKPExsWyRsSkSPf8NYUQg53PeC0er1nMZLFxxnpW i94FV9kszja9YbfY9Pgaq8XlXXPYLD73HmG0mHF+H5PF7cYVbBZvfpxlslh06wyzxeMVb9kt Vu36w+jA67Fz1l12j8V7XjJ5bF5S79G3ZRWjx/Eb25k8Nm5/wuTxeZNcAHsUl01Kak5mWWqR vl0CV8aiprOsBSf4Km4+eMrWwHiDu4uRk0NCwETi498FTBC2mMSFe+vZuhi5OIQEljJK9HVt ZYUpOnXqESNEYhGjxKzn3VBVrxklFt5YwwZSxSugJfHm7wWwUSwCqhKXJ09hB7HZgOL7X9wA qxEVCJNYOf0KC0S9oMSPyffAbBEBZYnWzffYQYYyCxxjkrgycx/QOg4OYYFgic6TVhDLFjNK dP/4xwoS5xTQkXi62h6kl1lAXWLSvEXMELa8xOY1b5lB6iUEOjkk3i5bwgxxkIDEt8mHWEB6 JQRkJTYdYIb4TFLi4IobLBMYxWYhOWkWkrGzkIxdwMi8ilE0tSC5oDgpvchQrzgxt7g0L10v OT93EyMwjk//e9a7g/H2AetDjAIcjEo8vB5rFEKEWBPLiitzDzGaAl0xkVlKNDkfmCzySuIN jc2MLExNTI2NzC3NlMR5FaV+BgsJpCeWpGanphakFsUXleakFh9iZOLglGpgPPhh1oJKFyGd Z74X12Uz39RdeMH3YlpDPHOY+NH8RrulIrM1LGZXe0Z1tsf+5ftyqvqzzI1Vby5b5LHv+XD0 0v3Ml/O/7BJvKlo5S/yORVyfZN9njodcUVuutLL+vznXfM4zodgcYW/b1QX+9Qd0rMSyPt3m WlQw3ybvULNT7f03qRzqmidtlFiKMxINtZiLihMBDvSM894CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprKKsWRmVeSWpSXmKPExsVy+t9jAd3z1xRCDK6uYLV4vGYxk8XGGetZ LXoXXGWzONv0ht1i0+NrrBaXd81hs/jce4TRYsb5fUwWtxtXsFm8+XGWyWLRrTPMFo9XvGW3 WLXrD6MDr8fOWXfZPRbvecnksXlJvUffllWMHsdvbGfy2Lj9CZPH501yAexRDYw2GamJKalF Cql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUDnKimUJeaUAoUCEouL lfTtME0IDXHTtYBpjND1DQmC6zEyQAMJaxgzFjWdZS04wVdx88FTtgbGG9xdjJwcEgImEqdO PWKEsMUkLtxbz9bFyMUhJLCIUWLW824o5zWjxMIba9hAqngFtCTe/L3ABGKzCKhKXJ48hR3E ZgOK739xA6xGVCBMYuX0KywQ9YISPybfA7NFBJQlWjffYwcZyixwjEniysx9QKs5OIQFgiU6 T1pBLFvMKNH94x8rSJxTQEfi6Wp7kF5mAXWJSfMWMUPY8hKb17xlnsAoMAvJillIymYhKVvA yLyKUTS1ILmgOCk911CvODG3uDQvXS85P3cTIzhJPJPawbiyweIQowAHoxIPr+cahRAh1sSy 4srcQ4wSHMxKIrwlE4FCvCmJlVWpRfnxRaU5qcWHGE2BITCRWUo0OR+YwPJK4g2NTcyMLI3M DS2MjM2VxHkPtFoHCgmkJ5akZqemFqQWwfQxcXBKNTAKGovVLXicrfzQ+eh3dZuMc0k1f0Nd D7Sl/Y7u/n93rornVFfbrsdMFhk6/J++Gog8SfcN/nDM4YTjDgHdwz+nHDCf/r05PM9a5Kme Fec0gROmfqd0GWdYhF+bvOqnjnrgHka7LgbpAyfmRmpEuKrvnl7o0HH3rujfVTOPq/qqhN68 oabBIaLEUpyRaKjFXFScCAAfkmkHKAMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Paul, On 09/12/2014 05:41 PM, Paul Bolle wrote: > On Fri, 2014-09-05 at 13:30 +0900, Chanwoo Choi wrote: >> This patch add exynos-ppmu devfreq event driver to provider raw data about >> the utilization of each IP in Exynos SoC series. >> >> Signed-off-by: Chanwoo Choi >> Acked-by: Kyungmin Park >> --- >> drivers/devfreq/Kconfig | 10 + >> drivers/devfreq/event/Makefile | 1 + >> drivers/devfreq/event/exynos-ppmu.c | 410 ++++++++++++++++++++++++++++++++++++ >> 3 files changed, 421 insertions(+) >> create mode 100644 drivers/devfreq/event/exynos-ppmu.c >> >> diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig >> index ef839e7..4fbbcea 100644 >> --- a/drivers/devfreq/Kconfig >> +++ b/drivers/devfreq/Kconfig >> @@ -90,4 +90,14 @@ config ARM_EXYNOS5_BUS_DEVFREQ >> >> comment "DEVFREQ Event Drivers" >> >> +config DEVFREQ_EVENT_EXYNOS_PPMU >> + bool "EXYNOS PPMU (Performance Profiling Monitoring Unit) DEVFREQ event Driver" >> + depends on ARCH_EXYNOS >> + select ARCH_HAS_OPP > > This select statement can be dropped: see commit 78c5e0bb145d ("PM / > OPP: Remove ARCH_HAS_OPP"). I'll drop it. > > By the way: there's a typo in the commit summary ("evnet"). My mistake, I'll fix typo. Thanks for your review. Chanwoo Choi > >> + select PM_OPP >> + help >> + This add the DEVFREQ event driver for Exynos SoC. It provides PPMU >> + (Performance Profiling Monitoring Unit) counters to estimate the >> + utilization of each module. >> + >> endif # PM_DEVFREQ > > > Paul Bolle > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >