[media] tm6000: dvb doesn't work on usb1.1

Signed-off-by: NMatthieu CASTET <castet.matthieu@free.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/tm6000/tm6000-dvb.c

@@ -406,6 +406,11 @@ static int dvb_init(struct tm6000_core *dev)
 	if (!dev->caps.has_dvb)
 		return 0;
 
+	if (dev->udev->speed == USB_SPEED_FULL) {
+		printk(KERN_INFO "This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)\n");
+		return 0;
+	}
+
 	dvb = kzalloc(sizeof(struct tm6000_dvb), GFP_KERNEL);
 	if (!dvb) {
 		printk(KERN_INFO "Cannot allocate memory\n");