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| author | Loic Poulain <loic.poulain@intel.com> | 2015-03-25 15:19:30 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-03-25 17:31:58 +0100 |
| commit | eb17380972d563a7dd59634cd2fdb614f3b98cdd (patch) | |
| tree | cfd613f8af1d7d61449bcb98512647aee475e2ca /drivers/bluetooth | |
| parent | 99c679acce5d07aa1be63d8afe94df27f0aecb50 (diff) | |
| download | linux-eb17380972d563a7dd59634cd2fdb614f3b98cdd.tar.gz linux-eb17380972d563a7dd59634cd2fdb614f3b98cdd.tar.bz2 linux-eb17380972d563a7dd59634cd2fdb614f3b98cdd.zip | |
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: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 11 | ||||
| -rw-r--r-- | drivers/bluetooth/hci_uart.h | 1 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index dc487b5d1156..48a0c250d5b8 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -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)) diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index 247488edcbf9..074ed29092b4 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -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); }; |