From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , alan@lxorguk.ukuu.org.uk, Thomas Schlichter , "Rafael J. Wysocki" Subject: [ 21/22] ACPI / processor: Get power info before updating the C-states Date: Thu, 24 Jan 2013 13:15:42 -0800 Message-Id: <20130124211511.549567120@linuxfoundation.org> In-Reply-To: <20130124211504.701368763@linuxfoundation.org> References: <20130124211504.701368763@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Schlichter commit f427e5f1cf75bba84cccdac1d8a90552d9ae1065 upstream. 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 Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/acpi/processor_idle.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -1208,6 +1208,7 @@ int acpi_processor_cst_has_changed(struc } /* Populate Updated C-state information */ + acpi_processor_get_power_info(pr); acpi_processor_setup_cpuidle_states(pr); /* Enable all cpuidle devices */