From mboxrd@z Thu Jan 1 00:00:00 1970 From: MyungJoo Ham Subject: Re: [PATCH v5 4/4] PM: Devfreq: Add Exynos5-bus devfreq driver for Exynos5250 Date: Tue, 5 Feb 2013 18:56:31 +0900 Message-ID: References: <1358515490-7565-1-git-send-email-a.kesavan@samsung.com> <1359980088-20799-1-git-send-email-a.kesavan@samsung.com> Reply-To: myungjoo.ham@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-la0-f52.google.com ([209.85.215.52]:43076 "EHLO mail-la0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751092Ab3BEJ4d (ORCPT ); Tue, 5 Feb 2013 04:56:33 -0500 In-Reply-To: <1359980088-20799-1-git-send-email-a.kesavan@samsung.com> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Abhilash Kesavan Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Jonghwan Choi , Kukjin Kim On Mon, Feb 4, 2013 at 9:14 PM, Abhilash Kesavan wrote: > Exynos5-bus device devfreq driver monitors PPMU counters and > adjusts operating frequencies and voltages with OPP. ASV should > be used to provide appropriate voltages as per the speed group > of the SoC rather than using a constant 1.025V. applied. thanks. ps. Devfreq patches are stacking up at devfreq's for-rafael branch and will be pull-requested for 3.9 soon. > > Signed-off-by: Abhilash Kesavan > Cc: Jonghwan Choi > Cc: Kukjin Kim > --- > Changes since RFC v1: > * Moved the Exynos5 PPMU driver to machine specific directory > * Migrated to the PM QOS framework > Changes since v2: > * Moved the PPMU driver to drivers/devfreq/exynos > * Fixed whitespace, commenting, empty lines in PPMU driver > Changes since v3: > * Removed the custom devfreq monitor and PPMU polling function > * Moved exynos5 PPMU access functions to the devfreq driver > Changes since v4: > * Fixed compilation errors due to presence of devinit/devexit > * Moved exynos ppmu header to the drivers/devfreq/exynos directory > -- MyungJoo Ham, Ph.D. Mobile Software Platform Lab, DMC Business, Samsung Electronics