1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index c2de8951e3fb..91d13a9e8c65 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -54,6 +54,7 @@ static struct usb_driver btusb_driver;
 #define BTUSB_BCM92035          0x10
 #define BTUSB_BROKEN_ISOC       0x20
 #define BTUSB_WRONG_SCO_MTU     0x40
+#define BTUSB_ATH3012           0x80
 
 static struct usb_device_id btusb_table[] = {
         /* Generic Bluetooth USB device */
@@ -110,7 +111,7 @@ static struct usb_device_id blacklist_table[] = {
         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
 
         /* Atheros 3012 with sflash firmware */
-        { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_IGNORE },
+        { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 
         /* Atheros AR5BBU12 with sflash firmware */
         { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
@@ -914,6 +915,15 @@ static int btusb_probe(struct usb_interface *intf,
         if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
                 return -ENODEV;
 
+        if (id->driver_info & BTUSB_ATH3012) {
+                struct usb_device *udev = interface_to_usbdev(intf);
+
+                /* Old firmware would otherwise let ath3k driver load
+                 * patch and sysconfig files */
+                if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
+                        return -ENODEV;
+        }
+
         data = kzalloc(sizeof(*data), GFP_KERNEL);
         if (!data)
                 return -ENOMEM;