651 	struct zd_usb_rx *rx;  in rx_urb_complete()  local
675 	rx = &usb->rx;  in rx_urb_complete()
677 	tasklet_schedule(&rx->reset_timer_tasklet);  in rx_urb_complete()
679 	if (length%rx->usb_packet_size > rx->usb_packet_size-4) {  in rx_urb_complete()
682 		ZD_ASSERT(length <= ARRAY_SIZE(rx->fragment));  in rx_urb_complete()
683 		spin_lock_irqsave(&rx->lock, flags);  in rx_urb_complete()
684 		memcpy(rx->fragment, buffer, length);  in rx_urb_complete()
685 		rx->fragment_length = length;  in rx_urb_complete()
686 		spin_unlock_irqrestore(&rx->lock, flags);  in rx_urb_complete()
690 	spin_lock_irqsave(&rx->lock, flags);  in rx_urb_complete()
691 	if (rx->fragment_length > 0) {  in rx_urb_complete()
693 		ZD_ASSERT(length + rx->fragment_length <=  in rx_urb_complete()
694 			  ARRAY_SIZE(rx->fragment));  in rx_urb_complete()
696 		memcpy(rx->fragment+rx->fragment_length, buffer, length);  in rx_urb_complete()
697 		handle_rx_packet(usb, rx->fragment,  in rx_urb_complete()
698 			         rx->fragment_length + length);  in rx_urb_complete()
699 		rx->fragment_length = 0;  in rx_urb_complete()
700 		spin_unlock_irqrestore(&rx->lock, flags);  in rx_urb_complete()
702 		spin_unlock_irqrestore(&rx->lock, flags);  in rx_urb_complete()
748 	struct zd_usb_rx *rx = &usb->rx;  in __zd_usb_enable_rx()  local
764 	spin_lock_irq(&rx->lock);  in __zd_usb_enable_rx()
765 	if (rx->urbs) {  in __zd_usb_enable_rx()
766 		spin_unlock_irq(&rx->lock);  in __zd_usb_enable_rx()
770 	rx->urbs = urbs;  in __zd_usb_enable_rx()
771 	rx->urbs_count = RX_URBS_COUNT;  in __zd_usb_enable_rx()
772 	spin_unlock_irq(&rx->lock);  in __zd_usb_enable_rx()
785 	spin_lock_irq(&rx->lock);  in __zd_usb_enable_rx()
786 	rx->urbs = NULL;  in __zd_usb_enable_rx()
787 	rx->urbs_count = 0;  in __zd_usb_enable_rx()
788 	spin_unlock_irq(&rx->lock);  in __zd_usb_enable_rx()
800 	struct zd_usb_rx *rx = &usb->rx;  in zd_usb_enable_rx()  local
802 	mutex_lock(&rx->setup_mutex);  in zd_usb_enable_rx()
804 	mutex_unlock(&rx->setup_mutex);  in zd_usb_enable_rx()
817 	struct zd_usb_rx *rx = &usb->rx;  in __zd_usb_disable_rx()  local
819 	spin_lock_irqsave(&rx->lock, flags);  in __zd_usb_disable_rx()
820 	urbs = rx->urbs;  in __zd_usb_disable_rx()
821 	count = rx->urbs_count;  in __zd_usb_disable_rx()
822 	spin_unlock_irqrestore(&rx->lock, flags);  in __zd_usb_disable_rx()
832 	spin_lock_irqsave(&rx->lock, flags);  in __zd_usb_disable_rx()
833 	rx->urbs = NULL;  in __zd_usb_disable_rx()
834 	rx->urbs_count = 0;  in __zd_usb_disable_rx()
835 	spin_unlock_irqrestore(&rx->lock, flags);  in __zd_usb_disable_rx()
840 	struct zd_usb_rx *rx = &usb->rx;  in zd_usb_disable_rx()  local
842 	mutex_lock(&rx->setup_mutex);  in zd_usb_disable_rx()
844 	mutex_unlock(&rx->setup_mutex);  in zd_usb_disable_rx()
846 	tasklet_kill(&rx->reset_timer_tasklet);  in zd_usb_disable_rx()
847 	cancel_delayed_work_sync(&rx->idle_work);  in zd_usb_disable_rx()
853 	struct zd_usb_rx *rx = &usb->rx;  in zd_usb_reset_rx()  local
856 	mutex_lock(&rx->setup_mutex);  in zd_usb_reset_rx()
858 	spin_lock_irqsave(&rx->lock, flags);  in zd_usb_reset_rx()
859 	do_reset = rx->urbs != NULL;  in zd_usb_reset_rx()
860 	spin_unlock_irqrestore(&rx->lock, flags);  in zd_usb_reset_rx()
867 	mutex_unlock(&rx->setup_mutex);  in zd_usb_reset_rx()
1129 		container_of(work, struct zd_usb, rx.idle_work.work);  in zd_rx_idle_timer_handler()
1143 	struct zd_usb *usb = from_tasklet(usb, t, rx.reset_timer_tasklet);  in zd_usb_reset_rx_idle_timer_tasklet()
1150 	struct zd_usb_rx *rx = &usb->rx;  in zd_usb_reset_rx_idle_timer()  local
1152 	mod_delayed_work(zd_workqueue, &rx->idle_work, ZD_RX_IDLE_INTERVAL);  in zd_usb_reset_rx_idle_timer()
1168 	struct zd_usb_rx *rx = &usb->rx;  in init_usb_rx()  local
1170 	spin_lock_init(&rx->lock);  in init_usb_rx()
1171 	mutex_init(&rx->setup_mutex);  in init_usb_rx()
1173 		rx->usb_packet_size = 512;  in init_usb_rx()
1175 		rx->usb_packet_size = 64;  in init_usb_rx()
1177 	ZD_ASSERT(rx->fragment_length == 0);  in init_usb_rx()
1178 	INIT_DELAYED_WORK(&rx->idle_work, zd_rx_idle_timer_handler);  in init_usb_rx()
1179 	rx->reset_timer_tasklet.func = (void (*))  in init_usb_rx()
1181 	rx->reset_timer_tasklet.data = (unsigned long)&rx->reset_timer_tasklet;  in init_usb_rx()