static int __init acpi_processor_init(void)
{
int result = 0;
if (acpi_disabled)
return 0;
memset(&errata, 0, sizeof(errata));
#ifdef CONFIG_SMP
if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
(struct acpi_table_header **)&madt)))
madt = NULL;
#endif
#ifdef CONFIG_ACPI_PROCFS
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
#endif
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;
result = acpi_bus_register_driver(&acpi_processor_driver);
if (result < 0)
goto out_cpuidle;
acpi_processor_install_hotplug_notify();
acpi_thermal_cpufreq_init();
acpi_processor_ppc_init();
acpi_processor_throttling_init();
return 0;
out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
out_proc:
#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
#endif
return result;
}
static void __exit acpi_processor_exit(void)
{
acpi_processor_ppc_exit();
acpi_thermal_cpufreq_exit();
acpi_processor_uninstall_hotplug_notify();
acpi_bus_unregister_driver(&acpi_processor_driver);
cpuidle_unregister_driver(&acpi_idle_driver);
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
return;
}
static void __exit acpi_processor_exit(void)
{
if (acpi_disabled)
return;
acpi_processor_ppc_exit();
acpi_thermal_cpufreq_exit();
acpi_processor_uninstall_hotplug_notify();
acpi_bus_unregister_driver(&acpi_processor_driver);
cpuidle_unregister_driver(&acpi_idle_driver);
return;
}
static int __init acpi_processor_init(void)
{
int result = 0;
memset(&processors, 0, sizeof(processors));
memset(&errata, 0, sizeof(errata));
#ifdef CONFIG_SMP
if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
(struct acpi_table_header **)&madt)))
madt = NULL;
#endif
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
acpi_processor_dir->owner = THIS_MODULE;
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;
result = acpi_bus_register_driver(&acpi_processor_driver);
if (result < 0)
goto out_cpuidle;
acpi_processor_install_hotplug_notify();
acpi_thermal_cpufreq_init();
acpi_processor_ppc_init();
return 0;
out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
out_proc:
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
return result;
}
static void __exit acpi_processor_exit(void)
{
if (acpi_disabled)
return;
acpi_processor_ppc_exit();
acpi_thermal_cpufreq_exit();
acpi_processor_uninstall_hotplug_notify();
acpi_bus_unregister_driver(&acpi_processor_driver);
cpuidle_unregister_driver(&acpi_idle_driver);
#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
#endif
return;
}
/**
* cpuidle_init - Init routine for v9r1 idle
*
* Registers the v9r1 specific cpuidle driver to the cpuidle
* framework with the valid set of states.
*/
int __init cpuidle_init(void)
{
struct cpuidle_device *dev;
int i, max_cpuidle_state, cpu_id;
cpuidle_register_driver(&idle_driver);
wdt_base = ioremap(REG_BASE_WD0, REG_WD0_IOSIZE);
gp_cpuidle_state = (unsigned int *)MEM_AXI_CPU_IDLE_ADDR;
*gp_cpuidle_state = (CPU_IDLE_C4 << CPUIDLE_STATE_START_BIT) | (CPU_IDLE_STAT_VALID << CPUIDLE_STATE_MAGIC_START_BIT);/*init*/
for_each_cpu(cpu_id, cpu_online_mask) {
dev = &per_cpu(idle_dev, cpu_id);
dev->cpu = cpu_id;
printk(KERN_ERR "cpu=%d\n", dev->cpu);
if (cpu_id == 0)
dev->state_count = ARRAY_SIZE(cpuidle_set);
else
dev->state_count = 1; /* Support IDLE only */
max_cpuidle_state = dev->state_count;
for (i = 0; i < max_cpuidle_state; i++) {
memcpy(&dev->states[i], &cpuidle_set[i],
sizeof(struct cpuidle_state));
}
dev->safe_state = &dev->states[0];
if (cpuidle_register_device(dev)) {
cpuidle_unregister_driver(&idle_driver);
printk(KERN_ERR "CPUidle register device failed\n,");
return -EIO;
}
}
static int __init acpi_processor_init(void)
{
int result = 0;
if (acpi_disabled)
return 0;
memset(&errata, 0, sizeof(errata));
if (!cpuidle_register_driver(&acpi_idle_driver)) {
printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
acpi_idle_driver.name);
} else {
printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s\n",
cpuidle_get_driver()->name);
}
result = acpi_bus_register_driver(&acpi_processor_driver);
if (result < 0)
goto out_cpuidle;
acpi_processor_install_hotplug_notify();
acpi_thermal_cpufreq_init();
acpi_processor_ppc_init();
acpi_processor_throttling_init();
return 0;
out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
return result;
}
static void __exit tegra_cpuidle_exit(void)
{
unregister_pm_notifier(&tegra_cpuidle_pm_notifier);
cpuidle_unregister_driver(&tegra_idle);
}
