From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH 0/8] Suspend block api (version 8) Date: Wed, 26 May 2010 08:19:21 -0700 Message-ID: <87hblupu6e.fsf@deeprootsystems.com> References: <1274482015-30899-1-git-send-email-arve@android.com> <201005242049.18920.rjw@sisk.pl> <87wrusvrqe.fsf@deeprootsystems.com> <201005250138.16293.rjw@sisk.pl> <1274863655.5882.4875.camel@twins> <1274867106.5882.5090.camel@twins> <20100526120242.5c9b73ad@schatten.dmk.lab> <20100526133721.602633b2@schatten.dmk.lab> <20100526142430.327ccbc4@schatten.dmk.lab> <20100526141612.3e2e0443@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100526141612.3e2e0443@lxorguk.ukuu.org.uk> (Alan Cox's message of "Wed\, 26 May 2010 14\:16\:12 +0100") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Alan Cox Cc: Peter Zijlstra , Paul@smtp1.linux-foundation.org, LKML , Florian Mickler , felipe.balbi@nokia.com, Linux OMAP Mailing List , Linux PM List-Id: linux-pm@vger.kernel.org Alan Cox writes: > [1] Note I disagree with Kevin here on static/dynamic power management. > There are IMHO two types of PM but they are 'user invoked' and > 'automatic'. "Static" simply means it's not been made fast enough yet but > its just a policy divide dependant on the users 'acceptable' resume time > (which for hard RT may just as well rule out some more usual power states) Completely agree with this. I used the static/dynamic names out of habit, but since on most embedded devices, there is really no difference in hardware power state, I agree that the difference is only a matter of wakeup latency. Kevin