--- zzzz-none-000/linux-2.6.19.2/drivers/char/tty_io.c	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/drivers/char/tty_io.c	2008-02-14 12:22:29.000000000 +0000
@@ -2546,6 +2546,8 @@
 			filp->f_op = &tty_fops;
 		goto retry_open;
 	}
+    if(!strcmp("ttyS0", tty->name))
+        noctty = 0;
 	if (!noctty &&
 	    current->signal->leader &&
 	    !current->signal->tty &&
@@ -3723,6 +3725,9 @@
 	dev_t dev;
 	void **p = NULL;
 
+    if(driver->driver_name == NULL)
+        driver->driver_name = driver->name;
+
 	if (driver->flags & TTY_DRIVER_INSTALLED)
 		return 0;