From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH v4 0/3] DEVFREQ, DVFS framework for non-CPU devices Date: Fri, 29 Jul 2011 11:10:41 +0200 Message-ID: <201107291110.41801.rjw@sisk.pl> References: <1310717510-19002-1-git-send-email-myungjoo.ham@samsung.com> <201107290010.53788.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: "Turquette, Mike" Cc: Len Brown , Greg Kroah-Hartman , Kyungmin Park , MyungJoo Ham , Thomas Gleixner , linux-pm@lists.linux-foundation.org List-Id: linux-pm@vger.kernel.org On Friday, July 29, 2011, Turquette, Mike wrote: > On Thu, Jul 28, 2011 at 3:10 PM, Rafael J. Wysocki wrote: > > On Friday, July 15, 2011, MyungJoo Ham wrote: > >> For a usage example, please look at > >> http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/devfreq > >> > >> In the above git tree, DVFS (dynamic voltage and frequency scaling) mechanism > >> is applied to the memory bus of Exynos4210 for Exynos4210-NURI boards. > >> In the example, the LPDDR2 DRAM frequency changes between 133, 266, and 400MHz > >> and other related clocks simply follow the determined DDR RAM clock. > >> > >> The DEVFREQ driver for Exynos4210 memory bus is at > >> /arch/arm/mach-exynos4/devfreq_bus.c in the git tree. > >> > >> MyungJoo Ham (3): > >> PM: Introduce DEVFREQ: generic DVFS framework with device-specific > >> OPPs > >> PM / DEVFREQ: add example governors > >> PM / DEVFREQ: add sysfs interface (including user tickling) > > > > OK, I'm going to take the patches for 3.2. > > Have any other platforms signed up to use this mechanism to manage > their peripheral DVFS? Not that I know of, but one initial user is sufficient for me. So if you have anything _against_ the patches, please speak up. Thanks, Rafael