On Wed, Jan 23, 2013 at 10:19:49PM -0800, David Moore wrote: > From: David Moore <david.moore@xxxxxxxxx> > > When the xHCI driver is not available, actively switch the ports to EHCI > mode since some BIOSes leave them in xHCI mode where they would > otherwise appear dead. > > Signed-off-by: David Moore <david.moore@xxxxxxxxx> > --- > drivers/usb/host/pci-quirks.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c > index eb5563a..7893351 100644 > --- a/drivers/usb/host/pci-quirks.c > +++ b/drivers/usb/host/pci-quirks.c > @@ -780,6 +780,7 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) > "defaulting to EHCI.\n"); > dev_warn(&xhci_pdev->dev, > "USB 3.0 devices will work at USB 2.0 speeds.\n"); > + usb_disable_xhci_ports(xhci_pdev); Any specifics as to exactly what hardware types need this patch? I'm guessing this should also go to the stable kernel releases as well? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html