>From 5296fec02cfadf10daf6395ad6b55075381b2439 Mon Sep 17 00:00:00 2001 From: Thomas Schlichter Date: Sun, 2 Sep 2012 14:35:34 +0200 Subject: [PATCH 1/2] Get power info before updating the C-states acpi_processor_get_power_info() has to be called before acpi_processor_setup_cpuidle_states() to have the latest information available. This fixes the missing C-state information after AC-->DC transition. Signed-off-by: Thomas Schlichter --- drivers/acpi/processor_idle.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index f1a5da4..17ed60b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1149,6 +1149,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) } /* Populate Updated C-state information */ + acpi_processor_get_power_info(pr); acpi_processor_setup_cpuidle_states(pr); /* Enable all cpuidle devices */ -- 1.7.10.4