From mboxrd@z Thu Jan 1 00:00:00 1970 From: Carl-Daniel Hailfinger Subject: Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3 Date: Tue, 16 Aug 2005 17:44:18 +0200 Message-ID: <430209D2.1000307@gmx.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from imap.gmx.net ([213.165.64.20]:22754 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S1030190AbVHPPoA (ORCPT ); Tue, 16 Aug 2005 11:44:00 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Stern Cc: acpi-devel , Linux Kernel Mailing List , linux-ide@vger.kernel.org, linux-usb-devel@lists.sourceforge.net Alan Stern schrieb: > On Tue, 16 Aug 2005, Carl-Daniel Hailfinger wrote: > > >>Hi, >>[...] >>Besides that, a number of drivers do not restore the pci config >>space of their associated devices properly on resume from S3. >> >>These drivers (and associated devices) are: >>- uhci_hcd (USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller) >>[...] >>Diff between "lspci -vvvxxx" before and after resume for all >>problematic devices on my machine is attached. >> >>Are there any patches I can try? > > > The uhci-hcd driver _does_ restore the config space for its devices > properly. > >> [lspci dump] > > > Just because the before and after values are different doesn't mean > anything is wrong. Those particular bits are set by the hardware in > response to various events. They are used only by the BIOS, to provide > USB keyboard and mouse services. They don't affect the device's function > or the Linux driver at all. Thanks for the information and sorry for bothering you. > Alan Stern Regards, Carl-Daniel -- http://www.hailfinger.org/