From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Boyd Subject: Re: [PATCH v2 0/5] Support CPR on MSM8916 Date: Mon, 28 Sep 2015 11:48:36 -0700 Message-ID: <20150928184836.GN23081@codeaurora.org> References: <1442623929-4507-1-git-send-email-sboyd@codeaurora.org> <7646588.WPLWGVmoNH@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <7646588.WPLWGVmoNH@vostro.rjw.lan> Sender: linux-arm-msm-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Nishanth Menon , Viresh Kumar , Srinivas Kandagatla , Andy Gross , linux-pm@vger.kernel.org, Mark Brown , David Collins List-Id: linux-pm@vger.kernel.org On 09/26, Rafael J. Wysocki wrote: > On Friday, September 18, 2015 05:52:04 PM Stephen Boyd wrote: > > This patch series adds support for CPR on MSM8916. The first > > patch exposes a corner voting API to the CPR driver so that we can > > change the corner for the MX regulator. If possible I would > > like to make this patch prettier, but I don't have any great > > ideas right now. The next patch adds support to adjust voltages in the OPP > > layer, and then hooks that up to cpufreq-dt so that we can adjust > > the voltage in response to what CPR tells us to do. I've also thrown > > in a patch to make RCU lockdep warnings go away, but I'm not sure if it's > > right. There's still work to do. > > > > The final patch adds the CPR driver. This still has some rough edges. With > > the OPPv2 bindings I'm thinking of moving the frequency tables into DT > > and adding a custom vendor property to describe which fuse corner to use for > > each frequency. > > > > Once you have these patches in place along with a CPU clock driver you > > can eanble enable cpufreq-dt and add the cpufreq-dt device (maybe the > > CPR driver should add the cpufreq-dt device?) and you'll see interrupts > > for CPR and OPP voltage adjustments triggering CPUfreq to modify voltages. > > > > Andy Gross (1): > > regulator: smd: Add floor and corner operations > > > > Stephen Boyd (4): > > PM / OPP: Support adjusting OPP voltages at runtime > > OPP: Allow notifiers to call dev_pm_opp_get_{voltage,freq} RCU-free > > cpufreq-dt: Handle OPP voltage adjust events > > power: avs: Add support for CPR (Core Power Reduction) > > From the responses so far I gather there will be a v3? > Yes. Definitely. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project