diff options
| author | Marcel Holtmann <marcel@holtmann.org> | 2007-05-09 09:15:35 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-05-10 23:45:04 -0700 |
| commit | d215874460e7657b8e104de024140e0932690450 (patch) | |
| tree | f5384bd6f2a7d24bae282362c691a213221f51c8 /drivers | |
| parent | 5be3946647424b08db0f62c545215cf506af8a52 (diff) | |
| download | lwn-d215874460e7657b8e104de024140e0932690450.tar.gz lwn-d215874460e7657b8e104de024140e0932690450.zip | |
[Bluetooth] Add HCIUARTGETDEVICE support for HCI line discipline
Adding HCIUARTGETDEVICE makes it possible to get the HCI device number
that is attached to a given serial device. This is required during the
initialization process of some Bluetooth chips.
Signed-off-by: Ohad Ben-Cohen <ohad@bencohen.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bluetooth/hci_ldisc.c | 5 | ||||
| -rw-r--r-- | drivers/bluetooth/hci_uart.h | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 0f4203b499af..75c15085f81f 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -479,6 +479,11 @@ static int hci_uart_tty_ioctl(struct tty_struct *tty, struct file * file, return hu->proto->id; return -EUNATCH; + case HCIUARTGETDEVICE: + if (test_bit(HCI_UART_PROTO_SET, &hu->flags)) + return hu->hdev->id; + return -EUNATCH; + default: err = n_tty_ioctl(tty, file, cmd, arg); break; diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h index b250e6789dee..1097ce72393f 100644 --- a/drivers/bluetooth/hci_uart.h +++ b/drivers/bluetooth/hci_uart.h @@ -28,8 +28,9 @@ #endif /* Ioctls */ -#define HCIUARTSETPROTO _IOW('U', 200, int) -#define HCIUARTGETPROTO _IOR('U', 201, int) +#define HCIUARTSETPROTO _IOW('U', 200, int) +#define HCIUARTGETPROTO _IOR('U', 201, int) +#define HCIUARTGETDEVICE _IOR('U', 202, int) /* UART protocols */ #define HCI_UART_MAX_PROTO 4 |