diff options
Diffstat (limited to 'drivers/acpi/processor_core.c')
| -rw-r--r-- | drivers/acpi/processor_core.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index fd48110f084e..235a51e328c3 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -44,6 +44,7 @@ #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> @@ -1043,11 +1044,13 @@ static int __init acpi_processor_init(void) 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(); @@ -1056,11 +1059,18 @@ static int __init acpi_processor_init(void) 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(); @@ -1069,6 +1079,8 @@ static void __exit acpi_processor_exit(void) acpi_bus_unregister_driver(&acpi_processor_driver); + cpuidle_unregister_driver(&acpi_idle_driver); + remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); return; |