i2c/scx200_acb: Don't use 0 as NULL pointer
[linux-2.6] / drivers / serial / 8250_exar_st16c554.c
1 /*
2  *  linux/drivers/serial/8250_exar.c
3  *
4  *  Written by Paul B Schroeder < pschroeder "at" uplogix "dot" com >
5  *  Based on 8250_boca.
6  *
7  *  Copyright (C) 2005 Russell King.
8  *  Data taken from include/asm-i386/serial.h
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  */
14 #include <linux/module.h>
15 #include <linux/init.h>
16 #include <linux/serial_8250.h>
17
18 #define PORT(_base,_irq)                                \
19         {                                               \
20                 .iobase         = _base,                \
21                 .irq            = _irq,                 \
22                 .uartclk        = 1843200,              \
23                 .iotype         = UPIO_PORT,            \
24                 .flags          = UPF_BOOT_AUTOCONF,    \
25         }
26
27 static struct plat_serial8250_port exar_data[] = {
28         PORT(0x100, 5),
29         PORT(0x108, 5),
30         PORT(0x110, 5),
31         PORT(0x118, 5),
32         { },
33 };
34
35 static struct platform_device exar_device = {
36         .name                   = "serial8250",
37         .id                     = PLAT8250_DEV_EXAR_ST16C554,
38         .dev                    = {
39                 .platform_data  = exar_data,
40         },
41 };
42
43 static int __init exar_init(void)
44 {
45         return platform_device_register(&exar_device);
46 }
47
48 module_init(exar_init);
49
50 MODULE_AUTHOR("Paul B Schroeder");
51 MODULE_DESCRIPTION("8250 serial probe module for Exar cards");
52 MODULE_LICENSE("GPL");