On Wed, Sep 05, 2012 at 02:21:52PM +0100, Matthew Garrett wrote: > On Tue, Sep 04, 2012 at 03:40:56PM -0700, Sarah Sharp wrote: > > On Tue, Aug 14, 2012 at 04:44:49PM -0400, Matthew Garrett wrote: > > > I've no idea what's causing the underlying problem, and xhci still doesn't > > > actually *work* even with this, but the machine at least boots which will > > > probably make further debugging easier. > > > > Is this an Ivy Bridge system? xHCI may not work because you're skipping > > the port switchover code just before the hc_init label. Of course, if > > the host controller continues to report all f's for register values, > > there's no point in trying to initialize the host at all... > > It's an SNB-E board with a series 7 chipset. The xHCI controller is an > NEC. When it's in this failure state it doesn't seem like there's > anything in the mmio BAR that's happy to talk to us, but I'll check the > logs to see what xhci-hcd says. Hmm, yeah, that sounds like the host is pretty hosed then. I'll merge your patch, since it seems sensible to check the ranges anyway. Sarah Sharp -- 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
