[Bluetooth] Add module parameter for ignoring a device

This patch adds a module parameter to the USB Bluetooth drivers
for ignoring devices from their matching list. This makes it
possible for alternate drivers to grab the device.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/bcm203x.c

@@ -46,6 +46,8 @@
 
 #define VERSION "1.0"
 
+static int ignore = 0;
+
 static struct usb_device_id bcm203x_table[] = {
 	/* Broadcom Blutonium (BCM2033) */
 	{ USB_DEVICE(0x0a5c, 0x2033) },
@@ -55,7 +57,6 @@ static struct usb_device_id bcm203x_table[] = {
 
 MODULE_DEVICE_TABLE(usb, bcm203x_table);
 
-
 #define BCM203X_ERROR		0
 #define BCM203X_RESET		1
 #define BCM203X_LOAD_MINIDRV	2
@@ -175,7 +176,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
 
 	BT_DBG("intf %p id %p", intf, id);
 
-	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+	if (ignore || (intf->cur_altsetting->desc.bInterfaceNumber != 0))
 		return -ENODEV;
 
 	data = kmalloc(sizeof(*data), GFP_KERNEL);
@@ -304,6 +305,9 @@ static void __exit bcm203x_exit(void)
 module_init(bcm203x_init);
 module_exit(bcm203x_exit);
 
+module_param(ignore, bool, 0644);
+MODULE_PARM_DESC(ignore, "Ignore devices from the matching table");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Broadcom Blutonium firmware driver ver " VERSION);
 MODULE_VERSION(VERSION);

drivers/bluetooth/bfusb.c

@@ -47,6 +47,8 @@
 
 #define VERSION "1.1"
 
+static int ignore = 0;
+
 static struct usb_driver bfusb_driver;
 
 static struct usb_device_id bfusb_table[] = {
@@ -655,6 +657,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	BT_DBG("intf %p id %p", intf, id);
 
+	if (ignore)
+		return -ENODEV;
+
 	/* Check number of endpoints */
 	if (intf->cur_altsetting->desc.bNumEndpoints < 2)
 		return -EIO;
@@ -792,6 +797,9 @@ static void __exit bfusb_exit(void)
 module_init(bfusb_init);
 module_exit(bfusb_exit);
 
+module_param(ignore, bool, 0644);
+MODULE_PARM_DESC(ignore, "Ignore devices from the matching table");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("BlueFRITZ! USB driver ver " VERSION);
 MODULE_VERSION(VERSION);

drivers/bluetooth/hci_usb.c

@@ -66,6 +66,7 @@
 #define URB_ZERO_PACKET 0
 #endif
 
+static int ignore = 0;
 static int reset = 0;
 
 #ifdef CONFIG_BT_HCIUSB_SCO
@@ -829,7 +830,7 @@ static int hci_usb_probe(struct usb_interface *intf, const struct usb_device_id
 			id = match;
 	}
 
-	if (id->driver_info & HCI_IGNORE)
+	if (ignore || id->driver_info & HCI_IGNORE)
 		return -ENODEV;
 
 	if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
@@ -1038,6 +1039,9 @@ static void __exit hci_usb_exit(void)
 module_init(hci_usb_init);
 module_exit(hci_usb_exit);
 
+module_param(ignore, bool, 0644);
+MODULE_PARM_DESC(ignore, "Ignore devices from the matching table");
+
 module_param(reset, bool, 0644);
 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");