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authorMarcel Holtmann <marcel@holtmann.org>2007-05-09 09:15:35 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-10 23:45:04 -0700
commitd215874460e7657b8e104de024140e0932690450 (patch)
treef5384bd6f2a7d24bae282362c691a213221f51c8
parent5be3946647424b08db0f62c545215cf506af8a52 (diff)
downloadop-kernel-dev-d215874460e7657b8e104de024140e0932690450.zip
op-kernel-dev-d215874460e7657b8e104de024140e0932690450.tar.gz
[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>
-rw-r--r--drivers/bluetooth/hci_ldisc.c5
-rw-r--r--drivers/bluetooth/hci_uart.h5
2 files changed, 8 insertions, 2 deletions
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 0f4203b..75c1508 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 b250e67..1097ce7 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
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