target/linux/ubicom32/files/arch/ubicom32/kernel/topology.c

   1 /*
   2  * arch/ubicom32/kernel/topology.c
   3  *   Ubicom32 architecture sysfs topology information.
   4  *
   5  * (C) Copyright 2009, Ubicom, Inc.
   6  *
   7  * This file is part of the Ubicom32 Linux Kernel Port.
   8  *
   9  * The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10  * it and/or modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation, either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  * the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with the Ubicom32 Linux Kernel Port.  If not,
  21  * see <http://www.gnu.org/licenses/>.
  22  *
  23  * Ubicom32 implementation derived from (with many thanks):
  24  *   arch/m68knommu
  25  *   arch/blackfin
  26  *   arch/parisc
  27  */
  28
  29 #include <linux/init.h>
  30 #include <linux/smp.h>
  31 #include <linux/cpu.h>
  32 #include <linux/cache.h>
  33
  34 static struct cpu cpu_devices[NR_CPUS] __read_mostly;
  35
  36 static int __init topology_init(void)
  37 {
  38         int num;
  39
  40         for_each_present_cpu(num) {
  41                 cpu_devices[num].hotpluggable = 0;
  42                 register_cpu(&cpu_devices[num], num);
  43         }
  44         return 0;
  45 }
  46
  47 subsys_initcall(topology_init);