From a36a7fecfe6071732075ad5aa31196adce13181b Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Thu, 21 Jul 2016 17:18:07 +0100 Subject: ACPI / processor_idle: Add support for Low Power Idle(LPI) states ACPI 6.0 introduced an optional object _LPI that provides an alternate method to describe Low Power Idle states. It defines the local power states for each node in a hierarchical processor topology. The OSPM can use _LPI object to select a local power state for each level of processor hierarchy in the system. They used to produce a composite power state request that is presented to the platform by the OSPM. Since multiple processors affect the idle state for any non-leaf hierarchy node, coordination of idle state requests between the processors is required. ACPI supports two different coordination schemes: Platform coordinated and OS initiated. This patch adds initial support for Platform coordination scheme of LPI. Signed-off-by: Sudeep Holla Signed-off-by: Rafael J. Wysocki --- drivers/acpi/processor_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/acpi/processor_driver.c') diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index d2fa8cb..0ca14ac 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -90,7 +90,7 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) pr->performance_platform_limit); break; case ACPI_PROCESSOR_NOTIFY_POWER: - acpi_processor_cst_has_changed(pr); + acpi_processor_power_state_has_changed(pr); acpi_bus_generate_netlink_event(device->pnp.device_class, dev_name(&device->dev), event, 0); break; -- cgit v1.1