drivers/base/cpu.c

   1 /*
   2  * drivers/base/cpu.c - basic CPU class support
   3  */
   4
   5 #include <linux/sysdev.h>
   6 #include <linux/module.h>
   7 #include <linux/init.h>
   8 #include <linux/cpu.h>
   9 #include <linux/topology.h>
  10
  11
  12 struct sysdev_class cpu_sysdev_class = {
  13         set_kset_name("cpu"),
  14 };
  15
  16
  17 /*
  18  * register_cpu - Setup a driverfs device for a CPU.
  19  * @num - CPU number to use when creating the device.
  20  *
  21  * Initialize and register the CPU device.
  22  */
  23 int __init register_cpu(struct cpu *cpu, int num, struct node *root)
  24 {
  25         cpu->node_id = cpu_to_node(num);
  26         cpu->sysdev.id = num;
  27         cpu->sysdev.cls = &cpu_sysdev_class;
  28         return sys_device_register(&cpu->sysdev);
  29 }
  30
  31
  32
  33 int __init cpu_dev_init(void)
  34 {
  35         return sysdev_class_register(&cpu_sysdev_class);
  36 }