41 static int h4_open(struct hci_uart *hu)  in h4_open()  argument
45 	BT_DBG("hu %p", hu);  in h4_open()
53 	hu->priv = h4;  in h4_open()
58 static int h4_flush(struct hci_uart *hu)  in h4_flush()  argument
60 	struct h4_struct *h4 = hu->priv;  in h4_flush()
62 	BT_DBG("hu %p", hu);  in h4_flush()
70 static int h4_close(struct hci_uart *hu)  in h4_close()  argument
72 	struct h4_struct *h4 = hu->priv;  in h4_close()
74 	BT_DBG("hu %p", hu);  in h4_close()
80 	hu->priv = NULL;  in h4_close()
87 static int h4_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in h4_enqueue()  argument
89 	struct h4_struct *h4 = hu->priv;  in h4_enqueue()
91 	BT_DBG("hu %p skb %p", hu, skb);  in h4_enqueue()
108 static int h4_recv(struct hci_uart *hu, const void *data, int count)  in h4_recv()  argument
110 	struct h4_struct *h4 = hu->priv;  in h4_recv()
112 	if (!test_bit(HCI_UART_REGISTERED, &hu->flags))  in h4_recv()
115 	h4->rx_skb = h4_recv_buf(hu->hdev, h4->rx_skb, data, count,  in h4_recv()
119 		bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);  in h4_recv()
127 static struct sk_buff *h4_dequeue(struct hci_uart *hu)  in h4_dequeue()  argument
129 	struct h4_struct *h4 = hu->priv;  in h4_dequeue()
158 	struct hci_uart *hu = hci_get_drvdata(hdev);  in h4_recv_buf()  local
159 	u8 alignment = hu->alignment ? hu->alignment : 1;  in h4_recv_buf()
169 		for (; hu->padding && count > 0; hu->padding--) {  in h4_recv_buf()
255 				hu->padding = (skb->len - 1) % alignment;  in h4_recv_buf()
256 				hu->padding = (alignment - hu->padding) % alignment;  in h4_recv_buf()
263 			hu->padding = (skb->len - 1) % alignment;  in h4_recv_buf()
264 			hu->padding = (alignment - hu->padding) % alignment;  in h4_recv_buf()