diff options
Diffstat (limited to 'drivers/acpi/processor_core.c')
| -rw-r--r-- | drivers/acpi/processor_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 235a51e328c3..692b2a0a05b2 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -684,7 +684,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) { struct acpi_processor *pr = data; struct acpi_device *device = NULL; - + int saved; if (!pr) return; @@ -694,7 +694,10 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) 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, |