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authorLoic Poulain <loic.poulain@intel.com>2015-03-25 17:19:30 +0300
committerMarcel Holtmann <marcel@holtmann.org>2015-03-25 19:31:58 +0300
commiteb17380972d563a7dd59634cd2fdb614f3b98cdd (patch)
treecfd613f8af1d7d61449bcb98512647aee475e2ca /drivers/bluetooth/hci_ldisc.c
parent99c679acce5d07aa1be63d8afe94df27f0aecb50 (diff)
downloadlinux-eb17380972d563a7dd59634cd2fdb614f3b98cdd.tar.xz
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/hci_ldisc.c')
-rw-r--r--drivers/bluetooth/hci_ldisc.c11
1 files changed, 11 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))