MIPS: Loongson: Change the Email address of Wu Zhangjin
[kernel.git] / arch / mips / loongson / common / platform.c
1 /*
2  * Copyright (C) 2009 Lemote Inc.
3  * Author: Wu Zhangjin, wuzhangjin@gmail.com
4  *
5  * This program is free software; you can redistribute  it and/or modify it
6  * under  the terms of  the GNU General  Public License as published by the
7  * Free Software Foundation;  either version 2 of the  License, or (at your
8  * option) any later version.
9  */
10
11 #include <linux/err.h>
12 #include <linux/platform_device.h>
13
14 static struct platform_device loongson2_cpufreq_device = {
15         .name = "loongson2_cpufreq",
16         .id = -1,
17 };
18
19 static int __init loongson2_cpufreq_init(void)
20 {
21         struct cpuinfo_mips *c = &current_cpu_data;
22
23         /* Only 2F revision and it's successors support CPUFreq */
24         if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F)
25                 return platform_device_register(&loongson2_cpufreq_device);
26
27         return -ENODEV;
28 }
29
30 arch_initcall(loongson2_cpufreq_init);