On Tue, 21 Apr 2015, Joe Lawrence wrote: > On 04/21/2015 08:21 AM, Mathias Nyman wrote: > [...] > > On the other hand if we just removed xhci, and share the interrupt with somebody else who is > > also generating an interrupts, then we would probably continue to read 0xffffffff from the status reg and > > should return IRQ_NONE. > > Yes, I think this was Sergei's concern as well and IRQ_NONE is probably > the safer value on a shared line. > > Unfortunately ehci-hcd.c, fotg210-hcd.c, fusbh200-hcd.c, ohci-hcd.c, > oxu210hp-hcd.c all return dead controller irq with IRQ_HANDLED. I don't > have all that hardware to test a change across the board. :( I don't have all that hardware either, but changing them sounds like a good idea. I will take care of it. Alan Stern -- 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
