static void
usb_power_wdog(void *arg)
{
struct usb_bus *bus = arg;
USB_BUS_LOCK_ASSERT(bus, MA_OWNED);
usb_callout_reset(&bus->power_wdog,
4 * hz, usb_power_wdog, arg);
#ifdef DDB
/*
* The following line of code is only here to recover from
* DDB:
*/
usb_proc_rewakeup(&bus->explore_proc); /* recover from DDB */
#endif
#if USB_HAVE_POWERD
USB_BUS_UNLOCK(bus);
usb_bus_power_update(bus);
USB_BUS_LOCK(bus);
#endif
}
/*------------------------------------------------------------------------*
* usb_bus_reset_async_locked
*------------------------------------------------------------------------*/
void
usb_bus_reset_async_locked(struct usb_bus *bus)
{
USB_BUS_LOCK_ASSERT(bus, MA_OWNED);
DPRINTF("\n");
if (bus->reset_msg[0].hdr.pm_qentry.tqe_prev != NULL ||
bus->reset_msg[1].hdr.pm_qentry.tqe_prev != NULL) {
DPRINTF("Reset already pending\n");
return;
}
device_printf(bus->parent, "Resetting controller\n");
usb_proc_msignal(USB_BUS_EXPLORE_PROC(bus),
&bus->reset_msg[0], &bus->reset_msg[1]);
}