コード例 #1
0
ファイル: usb_controller.c プロジェクト: wsoltys/pacedev 
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
}
コード例 #2
0
/*------------------------------------------------------------------------*
 *	usb_handle_remote_wakeup
 *
 * Returns:
 *    0: Success
 * Else: Failure
 *------------------------------------------------------------------------*/
static usb_error_t
usb_handle_remote_wakeup(struct usb_xfer *xfer, uint8_t is_on)
{
	struct usb_device *udev;
	struct usb_bus *bus;

	udev = xfer->xroot->udev;
	bus = udev->bus;

	USB_BUS_LOCK(bus);

	if (is_on) {
		udev->flags.remote_wakeup = 1;
	} else {
		udev->flags.remote_wakeup = 0;
	}

	USB_BUS_UNLOCK(bus);

#if USB_HAVE_POWERD
	/* In case we are out of sync, update the power state. */
	usb_bus_power_update(udev->bus);
#endif
	return (0);			/* success */
}