From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751367AbVI2X2G (ORCPT ); Thu, 29 Sep 2005 19:28:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751366AbVI2X2G (ORCPT ); Thu, 29 Sep 2005 19:28:06 -0400 Received: from mail-red.bigfish.com ([216.148.222.61]:42794 "EHLO mail21-red-R.bigfish.com") by vger.kernel.org with ESMTP id S1751367AbVI2X2E (ORCPT ); Thu, 29 Sep 2005 19:28:04 -0400 X-BigFish: V Message-ID: <433C7882.20000@am.sony.com> Date: Thu, 29 Sep 2005 16:28:02 -0700 From: Geoff Levand User-Agent: Mozilla Thunderbird 1.0.6-1.1.fc4 (X11/20050720) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Benjamin Herrenschmidt CC: linuxppc64-dev@ozlabs.org, linuxppc-dev list , "debian-powerpc@lists.debian.org" , Linux Kernel list Subject: Re: iMac G5: experimental thermal & cpufreq support References: <1127978432.6102.53.camel@gaston> In-Reply-To: <1127978432.6102.53.camel@gaston> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Benjamin Herrenschmidt wrote: > The algorithm itself is extracted from darwin. However, it's a rather > complex modified version of the PID algorithm, and thus it could use > some review to make sure I got everything right. > As we are already in the digital domain, I would think it would be more savvy to use a digital controller than try to simulate an analog controller... Why don't you abstract the control algorithm such that you can plug in others as they are developed. -Geoff