From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261788AbTLDKvd (ORCPT ); Thu, 4 Dec 2003 05:51:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261875AbTLDKvd (ORCPT ); Thu, 4 Dec 2003 05:51:33 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:25027 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S261788AbTLDKvc (ORCPT ); Thu, 4 Dec 2003 05:51:32 -0500 Date: Thu, 4 Dec 2003 11:51:31 +0100 From: Pavel Machek To: "Yu, Luming" Cc: kernel list , ACPI mailing list Subject: Re: My current suspend bigdiff Message-ID: <20031204105131.GB11044@atrey.karlin.mff.cuni.cz> References: <3ACA40606221794F80A5670F0AF15F8401720BFE@pdsmsx403.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3ACA40606221794F80A5670F0AF15F8401720BFE@pdsmsx403.ccr.corp.intel.com> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > >This is how my current "bigdiff" looks... [This is not for > >application, but if you want to make S3 working, it might help you]. > > I have some issues about entering S3. From device driver point of view, > Could you please explain the main difference between entering S1 and >S3. For S1, suspending/resuming drivers is not neccessary according to the spec. But we do it anyway. So from device driver point of view, S1 and S3 should be the same. If the driver has no suspend support, it will survive S1 (if you don't have buggy hardware); that is not the case with S3. Pavel -- Horseback riding is like software... ...vgf orggre jura vgf serr.