Commit eb173809 authored by Loic Poulain's avatar Loic Poulain Committed by Marcel Holtmann
Browse files

Bluetooth: hci_uart: Add setup callback 



Some Bluetooth controllers require initialization before being
used (vendor config, firmware download). Add possibility for a
HCI UART proto to implement this early init via the setup callback.

Signed-off-by: default avatarLoic Poulain <loic.poulain@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 99c679ac

drivers/bluetooth/hci_ldisc.c

+11 −0
Original line number Diff line number Diff line
@@ -261,6 +261,16 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb) 
	return 0;

}



static int hci_uart_setup(struct hci_dev *hdev)

{

	struct hci_uart *hu = hci_get_drvdata(hdev);



	if (hu->proto->setup)

		return hu->proto->setup(hu);



	return 0;

}



/* ------ LDISC part ------ */

/* hci_uart_tty_open

 *
@@ -426,6 +436,7 @@ static int hci_uart_register_dev(struct hci_uart *hu) 
	hdev->close = hci_uart_close;

	hdev->flush = hci_uart_flush;

	hdev->send  = hci_uart_send_frame;

	hdev->setup = hci_uart_setup;

	SET_HCIDEV_DEV(hdev, hu->tty->dev);



	if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags))

drivers/bluetooth/hci_uart.h

+1 −0
Original line number Diff line number Diff line
@@ -59,6 +59,7 @@ struct hci_uart_proto { 
	int (*flush)(struct hci_uart *hu);

	int (*recv)(struct hci_uart *hu, void *data, int len);

	int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);

	int (*setup)(struct hci_uart *hu);

	struct sk_buff *(*dequeue)(struct hci_uart *hu);

};

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