#include <linux/seq_file.h>
#include <linux/dmi.h>
#include <linux/moduleparam.h>
+#include <linux/cpuidle.h>
#include <asm/io.h>
#include <asm/system.h>
return 0;
}
-#ifdef CONFIG_IA64
-#define arch_cpu_to_apicid ia64_cpu_to_sapicid
-#else
-#define arch_cpu_to_apicid x86_cpu_to_apicid
-#endif
-
static int map_madt_entry(u32 acpi_id)
{
unsigned long madt_end, entry;
return apic_id;
for (i = 0; i < NR_CPUS; ++i) {
- if (arch_cpu_to_apicid[i] == apic_id)
+ if (cpu_physical_id(i) == apic_id)
return i;
}
return -1;
request_region(pr->throttling.address, 6, "ACPI CPU throttle");
}
-#ifdef CONFIG_CPU_FREQ
- acpi_processor_ppc_has_changed(pr);
-#endif
- acpi_processor_get_throttling_info(pr);
- acpi_processor_get_limit_info(pr);
-
return 0;
}
*/
if (processor_device_array[pr->id] != NULL &&
processor_device_array[pr->id] != device) {
- printk(KERN_WARNING "BIOS reported wrong ACPI id"
+ printk(KERN_WARNING "BIOS reported wrong ACPI id "
"for the processor\n");
return -ENODEV;
}
/* _PDC call should be done before doing anything else (if reqd.). */
arch_acpi_processor_init_pdc(pr);
acpi_processor_set_pdc(pr);
+#ifdef CONFIG_CPU_FREQ
+ acpi_processor_ppc_has_changed(pr);
+#endif
+ acpi_processor_get_throttling_info(pr);
+ acpi_processor_get_limit_info(pr);
+
acpi_processor_power_init(pr, device);
{
struct acpi_processor *pr = data;
struct acpi_device *device = NULL;
-
+ int saved;
if (!pr)
return;
switch (event) {
case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
+ saved = pr->performance_platform_limit;
acpi_processor_ppc_has_changed(pr);
+ if (saved == pr->performance_platform_limit)
+ break;
acpi_bus_generate_proc_event(device, event,
pr->performance_platform_limit);
acpi_bus_generate_netlink_event(device->pnp.device_class,
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) {
- remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
- return result;
- }
+ if (result < 0)
+ goto out_cpuidle;
acpi_processor_install_hotplug_notify();
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)
{
-
acpi_processor_ppc_exit();
acpi_thermal_cpufreq_exit();
acpi_bus_unregister_driver(&acpi_processor_driver);
+ cpuidle_unregister_driver(&acpi_idle_driver);
+
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
return;