Messages in this thread | | | Date | Wed, 15 Jun 2011 17:00:17 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH] xhci: Add reset on resume quirk for asrock p67 host |
| |
On Wed, 15 Jun 2011, Sarah Sharp wrote:
> On Wed, Jun 15, 2011 at 10:29:01PM +0200, Maarten Lankhorst wrote: > > The asrock p67 xhci controller completely dies on resume, > > add a quirk for this, to bring the host back online after a suspend. > > > > This should be backported to stable kernels as far back as 2.6.34. > > Why 2.6.34? Only kernels as old as 2.6.37 had xHCI suspend and resume > support. Before 2.6.37, the xHCI driver would prevent the system from > suspending at all. > > Otherwise looks fine. > > Sarah Sharp >
> > diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c > > index 06e7023..42fd032 100644 > > --- a/drivers/usb/host/xhci.c > > +++ b/drivers/usb/host/xhci.c > > @@ -759,6 +759,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) > > msleep(100); > > > > spin_lock_irq(&xhci->lock); > > + if (xhci->quirks & XHCI_RESET_ON_RESUME) > > + hibernated = 0;
Shouldn't this be "hibernated = true;"? You want the driver to treat suspend as though it were hibernation, not the other way around.
Alan Stern
| |