From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [PATCH v2 0/5] ARM: vexpress/TC2: cpufreq support Date: Wed, 23 Oct 2013 00:05:01 +0200 Message-ID: <2836723.FbRfprjZNt@vostro.rjw.lan> References: <1382349534-31502-1-git-send-email-Sudeep.KarkadaNagesha@arm.com> <52664A94.3040508@arm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <52664A94.3040508@arm.com> Sender: linux-pm-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Sudeep KarkadaNagesha Cc: Viresh Kumar , "linux-arm-kernel@lists.infradead.org" , "cpufreq@vger.kernel.org" , "linux-pm@vger.kernel.org" , Pawel Moll , Nicolas Pitre , Lorenzo Pieralisi On Tuesday, October 22, 2013 10:51:16 AM Sudeep KarkadaNagesha wrote: > On 22/10/13 09:22, Viresh Kumar wrote: > > On 21 October 2013 15:28, Sudeep KarkadaNagesha > > wrote: > >> From: Sudeep KarkadaNagesha > >> > >> Hi, > >> > >> The SPC(Serial Power Controller) on Versatile Express V2P-CA15_A7(TC2) > >> not only controls low-power states, wake-up irqs and per-CPU jump addresses > >> but also the CPU performance operating points which is essential to provide > >> CPU DVFS. The M3 microcontroller can provide upto eight performance values, > >> one set for each cluster (CA15 or CA7). Each of this value contains the > >> frequency(kHz) and voltage(mV) at that performance level. It expects > >> these performance level to be passed through the SPC PERF_LVL registers. > >> > >> This patch series adds support to populate those OPPs, add them to the > >> cpu devices and runtime programming of these performance levels through > >> clock framework. It also adds a small interface cpufreq driver to validate > >> the OPPs and register the arm_big_little cpufreq driver. > >> > >> Changes v1->v2: > >> - Introduced ARCH_VEXPRESS_SPC config to make dependency > >> selection cleaner > >> - Other minor review comments from Nico implemented > >> > >> Regards, > >> Sudeep > >> > >> Sudeep KarkadaNagesha (5): > >> cpufreq: arm-big-little: use clk_get instead of clk_get_sys > >> ARM: vexpress/TC2: add support for CPU DVFS > >> ARM: vexpress/TC2: add cpu clock support > >> cpufreq: arm_big_little: add vexpress SPC interface driver > >> ARM: vexpress/TC2: register vexpress-spc cpufreq device > > > > For All Patches: > > > > Acked-by: Viresh Kumar > > > > Thanks Nico, Pawel and Viresh for the review and acks. > > Hi Rafael, > > Do you prefer a pull request for this or are you OK to pull from the mails ? I can pick them up from email I think. Thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.