Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267961AbUJLWOW (ORCPT ); Tue, 12 Oct 2004 18:14:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267973AbUJLWOV (ORCPT ); Tue, 12 Oct 2004 18:14:21 -0400 Received: from gate.crashing.org ([63.228.1.57]:28876 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S267961AbUJLWOS (ORCPT ); Tue, 12 Oct 2004 18:14:18 -0400 Subject: Re: Totally broken PCI PM calls From: Benjamin Herrenschmidt To: David Brownell Cc: Pavel Machek , ncunningham@linuxmail.org, Paul Mackerras , Linus Torvalds , Linux Kernel Mailing List , Andrew Morton In-Reply-To: <200410121152.53140.david-b@pacbell.net> References: <1097455528.25489.9.camel@gaston> <200410111437.17898.david-b@pacbell.net> <20041012085349.GA2292@elf.ucw.cz> <200410121152.53140.david-b@pacbell.net> Content-Type: text/plain Message-Id: <1097619180.908.6.camel@gaston> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Wed, 13 Oct 2004 08:13:00 +1000 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 702 Lines: 19 On Wed, 2004-10-13 at 04:52, David Brownell wrote: > Drivers that don't reset the controller in resume() > will need special handling for those BIOS cases. > That means USB HCDs, and maybe not a lot else > yet in Linux. Usually, at least for OHCI, you can read the controller status and know if it got reset or is still in suspend state, at least that how we did so far (and how apple does as well afaik) and seems to work. I don't know about EHCI. Ben. - 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/