--- zzzz-none-000/linux-2.6.19.2/drivers/char/tty_io.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5504/linux-2.6.19.2/drivers/char/tty_io.c	2007-06-04 11:52:59.000000000 +0000
@@ -3723,6 +3723,9 @@
 	dev_t dev;
 	void **p = NULL;
 
+    if(driver->driver_name == NULL)
+        driver->driver_name = driver->name;
+
 	if (driver->flags & TTY_DRIVER_INSTALLED)
 		return 0;