2 * This software may be used and distributed according to the terms
3 * of the GNU General Public License, incorporated herein by reference.
7 #include <linux/errno.h>
9 #include <linux/delay.h>
10 #include <linux/kernel.h>
11 #include <linux/slab.h>
13 #include <linux/ioport.h>
14 #include <linux/timer.h>
15 #include <linux/wait.h>
16 #include <linux/isdnif.h>