From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Langsdorf Subject: Re: Using out of band messages to change min/max frequencies Date: Tue, 20 Mar 2012 09:32:55 -0500 Message-ID: <4F689517.8090809@calxeda.com> References: <4F60D71C.6070709@calxeda.com> <878vj0v1uh.fsf@amiettinen-lnx.nvidia.com> <4F63A8FA.2070406@calxeda.com> <87y5qyt1uu.fsf@amiettinen-lnx.nvidia.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <87y5qyt1uu.fsf@amiettinen-lnx.nvidia.com> Sender: cpufreq-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: Antti P Miettinen Cc: "cpufreq@vger.kernel.org" On 03/18/2012 09:34 AM, Antti P Miettinen wrote: > Mark Langsdorf writes: >> On 03/16/2012 01:26 PM, Antti P Miettinen wrote: >>> Mark Langsdorf writes: >>>> Is there some better way to approach this? >>> >>> PM QoS :-) >>> >>> http://thread.gmane.org/gmane.linux.kernel.cpufreq/7794 >>> http://thread.gmane.org/gmane.linux.kernel.cpufreq/7797 >> >> Thanks, that looks like it could be useful. >> >> Is there a sample implementation of this in the context of >> a cpufreq device driver? > > Hmm.. controlling cpufreq core from cpufreq driver? Nope, this input > event booster is the only example I have: > > http://thread.gmane.org/gmane.linux.kernel.cpufreq/7801 Thanks. It wasn't exactly applicable, but it gave enough hints that I got the QoS parts working for my driver. --Mark Langsdorf Calxeda, Inc.