btusb_tx_complete
skb->data, skb->len, btusb_tx_complete, skb);
skb->data, skb->len, btusb_tx_complete, skb);
urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete);
skb->data, skb->len, btusb_tx_complete, skb);