From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754657Ab0EaVqf (ORCPT ); Mon, 31 May 2010 17:46:35 -0400 Received: from www.tglx.de ([62.245.132.106]:44724 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751778Ab0EaVqe (ORCPT ); Mon, 31 May 2010 17:46:34 -0400 Date: Mon, 31 May 2010 23:46:12 +0200 (CEST) From: Thomas Gleixner To: James Bottomley cc: Peter Zijlstra , =?ISO-8859-15?Q?Arve_Hj=F8nnev=E5g?= , tytso@mit.edu, LKML , Florian Mickler , Linux PM , Linux OMAP Mailing List , felipe.balbi@nokia.com, Alan Cox Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) In-Reply-To: <1275340869.2823.344.camel@mulgrave.site> Message-ID: References: <20100527222514.0a1710bf@lxorguk.ukuu.org.uk> <20100527230806.4deb6de3@lxorguk.ukuu.org.uk> <20100527220949.GB10602@srcf.ucam.org> <20100527232357.6d14fdb2@lxorguk.ukuu.org.uk> <20100527223605.GB11364@srcf.ucam.org> <20100527235546.09f3ce8a@lxorguk.ukuu.org.uk> <20100528043114.GC26177@thunk.org> <1275030704.32462.11.camel@laptop> <1275120618.27810.12699.camel@twins> <1275149418.4503.128.camel@mulgrave.site> <1275340869.2823.344.camel@mulgrave.site> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 31 May 2010, James Bottomley wrote: > > For MSM hardware, it looks possible to unify the S and C states by doing > suspend to ram from idle but I'm not sure how much work that is. On ARM, it's not rocket science and we have in tree support for this already (OMAP). I have done the same thing on a Samsung part as a prove of concept two years ago and it's really easy as the hardware is sane. Hint: It's designed for mobile devices :) Thanks, tglx