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Bluetooth: hci_uart: Add setup callback

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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: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Loic Poulain 2015-03-25 15:19:30 +01:00 committed by Marcel Holtmann
parent 99c679acce
commit eb17380972
2 changed files with 12 additions and 0 deletions
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11
drivers/bluetooth/hci_ldisc.c
View File

@ -261,6 +261,16 @@ static int hci_uart_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
return 0; 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 ------ */ /* ------ LDISC part ------ */
/* hci_uart_tty_open /* hci_uart_tty_open
* *
@ -426,6 +436,7 @@ static int hci_uart_register_dev(struct hci_uart *hu)
hdev->close = hci_uart_close; hdev->close = hci_uart_close;
hdev->flush = hci_uart_flush; hdev->flush = hci_uart_flush;
hdev->send = hci_uart_send_frame; hdev->send = hci_uart_send_frame;
hdev->setup = hci_uart_setup;
SET_HCIDEV_DEV(hdev, hu->tty->dev); SET_HCIDEV_DEV(hdev, hu->tty->dev);
if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags)) if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags))

1
drivers/bluetooth/hci_uart.h
View File

@ -59,6 +59,7 @@ struct hci_uart_proto {
int (*flush)(struct hci_uart *hu); int (*flush)(struct hci_uart *hu);
int (*recv)(struct hci_uart *hu, void *data, int len); int (*recv)(struct hci_uart *hu, void *data, int len);
int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb); int (*enqueue)(struct hci_uart *hu, struct sk_buff *skb);
int (*setup)(struct hci_uart *hu);
struct sk_buff *(*dequeue)(struct hci_uart *hu); struct sk_buff *(*dequeue)(struct hci_uart *hu);
}; };