1 /*
2 * CPU topology for Hexagon
3 *
4 * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 and
8 * only version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA.
19 */
20
21 #include <linux/cpu.h>
22 #include <linux/cpumask.h>
23 #include <linux/init.h>
24 #include <linux/node.h>
25 #include <linux/nodemask.h>
26 #include <linux/percpu.h>
27
28 /* Swiped from MIPS. */
29
30 static DEFINE_PER_CPU(struct cpu, cpu_devices);
31
topology_init(void)32 static int __init topology_init(void)
33 {
34 int i, ret;
35
36 for_each_present_cpu(i) {
37
38 /*
39 * register_cpu takes a per_cpu pointer and
40 * just points it at another per_cpu struct...
41 */
42
43 ret = register_cpu(&per_cpu(cpu_devices, i), i);
44 if (ret)
45 printk(KERN_WARNING "topology_init: register_cpu %d "
46 "failed (%d)\n", i, ret);
47 }
48
49 return 0;
50 }
51
52 subsys_initcall(topology_init);
53