Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261852AbUJZJGd (ORCPT ); Tue, 26 Oct 2004 05:06:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261855AbUJZJGd (ORCPT ); Tue, 26 Oct 2004 05:06:33 -0400 Received: from hell.org.pl ([62.233.239.4]:2825 "HELO hell.org.pl") by vger.kernel.org with SMTP id S261852AbUJZJGb (ORCPT ); Tue, 26 Oct 2004 05:06:31 -0400 Date: Tue, 26 Oct 2004 11:06:29 +0200 From: Karol Kozimor To: Arjan van de Ven Cc: Len Brown , Andi Kleen , "Li, Shaohua" , ACPI-DEV , lkml , greg@kroah.com, Pavel Machek Subject: Re: [ACPI] [Proposal]Another way to save/restore PCI config space for suspend/resume Message-ID: <20041026090629.GA17454@hell.org.pl> Mail-Followup-To: Arjan van de Ven , Len Brown , Andi Kleen , "Li, Shaohua" , ACPI-DEV , lkml , greg@kroah.com, Pavel Machek References: <1098766257.8433.7.camel@sli10-desk.sh.intel.com> <20041026051100.GA5844@wotan.suse.de> <417DEA8D.4080307@intel.com> <1098780150.2789.19.camel@laptop.fenrus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline In-Reply-To: <1098780150.2789.19.camel@laptop.fenrus.org> User-Agent: Mutt/1.4.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 882 Lines: 22 Thus wrote Arjan van de Ven: > > What this comes down to is that extended config space is device-specific. > > Generic solutions will fail. Only device drivers will work. > > > > If there are no drivers for PCI bridges to properly save/restore > > their config space, then should create them, even if this is all the > > drivers do. > note that by default, if there is no driver, the first 64 bytes of > config space are saved/restored. That's not enough -- some devices with no drivers (think LPC bridges) might need more (see http://bugme.osdl.org/show_bug.cgi?id=3609). Best regards, -- Karol 'sziwan' Kozimor sziwan@hell.org.pl - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/