From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH v6 0/2] cpufreq: opp: Add device tree based lookup of boost mode frequency Date: Fri, 30 May 2014 14:19:06 +0200 Message-ID: <5683009.PqtetcWKuO@vostro.rjw.lan> References: <1401440477-4328-1-git-send-email-thomas.ab@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <1401440477-4328-1-git-send-email-thomas.ab@samsung.com> Sender: linux-pm-owner@vger.kernel.org To: Thomas Abraham Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com, t.figa@samsung.com, l.majewski@samsung.com, viresh.kumar@linaro.org, nm@ti.com List-Id: devicetree@vger.kernel.org On Friday, May 30, 2014 02:31:15 PM Thomas Abraham wrote: > Changes since v5: > - Fixes for checkpatch warnings with --strict option as suggested by > Nishanth Menon. > > Changes since v4: > - Code improvements suggested by Viresh Kumar. > > Changes since v3: > - Minor changes as suggested in the last version. > > Changes since v2: > - Reworked based on the "PM / OPP: move cpufreq specific helpers out of OPP > layer" patch series posted by Nishanth Menon. > > Changes since v1: > - Boost mode frequencies are specfied as a set of frequencies instead of > specifying them as OPPs. Thanks to Nishanth, Lukasz and Rob for the > feedback. > > This series has been acked by authors and maintainers of the code > portions changed in this series. The new DT binding introduced in this > patch needs an ack from device tree binding maintainers as well. > > Commit 6f19efc0 ("cpufreq: Add boost frequency support in core") adds > support for CPU boost mode for CPUfreq drivers. To use the new boost > mode, CPUfreq drivers have to specify the boost mode frequency and > voltage within the CPUfreq driver, which is the case for Exynos4x12 > CPUfreq driver. > > But for CPUfreq drivers which obtain the OPPs from cpus node, this > patch series adds support to specify boost mode frequencies in the > cpu device tree node. This requirement came up when Lukasz pointed > out the regression caused by the Exynos CPUfreq driver consolidation > patches. Both patches queued up for 3.16 in the linux-pm tree. Thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.