usb/host/xhci-ring.c

439 	int ret;
466 	ret = xhci_handshake_check_state(xhci, &xhci->op_regs->cmd_ring,
469 	if (ret < 0) {
470 		xhci_err(xhci, "Abort failed to stop command ring: %d\n", ret);
473 		return ret;
482 	ret = wait_for_completion_timeout(&xhci->cmd_ring_stop_completion,
485 	if (!ret) {
650 	int ret;
739 	ret = queue_command(xhci, cmd,
744 	if (ret < 0) {
746 		return ret;
923 	int ret = 0;
927 		ret = -ENOMEM;
935 	ret = xhci_queue_reset_ep(xhci, command, slot_id, ep_index, reset_type);
937 	if (ret)
939 			 slot_id, ep_index, ret);
940 	return ret;
3136 	irqreturn_t ret = IRQ_HANDLED;
3148 		ret = IRQ_NONE;
3176 	return ret;
3315 	int ret;
3329 	ret = prepare_ring(xhci, ep_ring, GET_EP_CTX_STATE(ep_ctx),
3331 	if (ret)
3332 		return ret;
3341 		ret = usb_hcd_link_urb_to_ep(bus_to_hcd(urb->dev->bus), urb);
3342 		if (unlikely(ret))
3343 			return ret;
3607 	int sent_len, ret;
3628 	ret = prepare_transfer(xhci, xhci->devs[slot_id],
3631 	if (unlikely(ret < 0))
3632 		return ret;
3737 		ret = prepare_transfer(xhci, xhci->devs[slot_id],
3759 	int ret;
3787 	ret = prepare_transfer(xhci, xhci->devs[slot_id],
3790 	if (ret < 0)
3791 		return ret;
3951 	int start_frame, ist, ret = 0;
4000 			ret = -EINVAL;
4004 			ret = -EINVAL;
4006 			ret = -EINVAL;
4010 		if (ret == -EINVAL || start_frame == start_frame_id) {
4017 			ret = 0;
4021 	if (ret) {
4026 		return ret;
4064 	int running_total, trb_buff_len, td_len, td_remain_len, ret;
4108 		ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index,
4110 		if (ret < 0) {
4112 				return ret;
4198 			ret = -EINVAL;
4236 	return ret;
4254 	int ret;
4271 	ret = prepare_ring(xhci, ep_ring, GET_EP_CTX_STATE(ep_ctx),
4273 	if (ret)
4274 		return ret;
4335 	int ret;
4346 	ret = prepare_ring(xhci, xhci->cmd_ring, EP_STATE_RUNNING,
4348 	if (ret < 0) {
4353 		return ret;