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[3.5.y.z,extended,stable] Patch "ACPI / processor: Get power info before updating the" has been added to staging queue

Message ID 1359583077-17711-1-git-send-email-herton.krzesinski@canonical.com
State New
Headers show

Commit Message

Herton Ronaldo Krzesinski Jan. 30, 2013, 9:57 p.m. UTC
This is a note to let you know that I have just added a patch titled

    ACPI / processor: Get power info before updating the

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Herton

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From 8e64c8f70bc32d89fae1f1c4f40d8e818354a020 Mon Sep 17 00:00:00 2001
From: Thomas Schlichter <thomas.schlichter@web.de>
Date: Sat, 19 Jan 2013 00:28:22 +0100
Subject: [PATCH] ACPI / processor: Get power info before updating the
 C-states

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 <thomas.schlichter@web.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
 drivers/acpi/processor_idle.c |    1 +
 1 file changed, 1 insertion(+)

--
1.7.9.5
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Patch

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 4a33518..3e6150f 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1236,6 +1236,7 @@  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 */