Messages in this thread | | | Date | Tue, 16 Aug 2005 17:44:18 +0200 | From | Carl-Daniel Hailfinger <> | Subject | Re: [linux-usb-devel] PCI quirks not handled and config space differences on resume from S3 |
| |
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/ - 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/
| |