On Thu, 7 Apr 2011 09:52:44 +0100 Alan Cox <alan@xxxxxxxxxxxxxxx> wrote: > > down into ehci-hcd. You could write a Moorestown-specific interrupt > > handler which would first check whether the controller was > > suspended. If it was, the handler could turn off the interrupt > > request and call pm_runtime_get(); otherwise it could call ehci_irq() > > directly and then see whether it needed to call pm_runtime_put() (or > > possibly pm_runtime_put_autosuspend()). > > Or you could make the moorestown specific code request a threaded IRQ, > the rest of the kernel won't know. That would do the whole IRQ handling > properly in that case. > That would require something like the alloc_irq callback I suggested earlier, since ATM the hcd.c code does the request_irq for everyone and there is no easy way that I could find to intercept this. -- 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
