diff options
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 698d14c19587..22b051b94a86 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -51,7 +51,7 @@ module_param(latency_factor, uint, 0644); static DEFINE_PER_CPU(struct cpuidle_device *, acpi_cpuidle_device); -struct cpuidle_driver acpi_idle_driver = { +static struct cpuidle_driver acpi_idle_driver = { .name = "acpi_idle", .owner = THIS_MODULE, }; @@ -1404,6 +1404,13 @@ void acpi_processor_power_init(struct acpi_processor *pr) { struct cpuidle_device *dev; + /* + * The code below only works if the current cpuidle driver is the ACPI + * idle driver. + */ + if (cpuidle_get_driver() != &acpi_idle_driver) + return; + if (disabled_by_idle_boot_param()) return; |