msm: cpuidle: Update C state time stats in the cpu idle device.
msm_pm_idle_enter function returns time spent by cpu in particular
C state. Update the cpu idle device last residency with the return
value which is required for cpuidle stats.
CRs-fixed: 391456
Signed-off-by: Anji Jonnala <anjir@codeaurora.org>
(cherry picked from commit 022dcaafa4512f4d8ca79587fd88ad3ba456cb0a)
Change-Id: I0deea75467ae7179d74334984cabc3ea19c8d1c5
Signed-off-by: Sudhir Sharma <sudsha@codeaurora.org>
diff --git a/arch/arm/mach-msm/cpuidle.c b/arch/arm/mach-msm/cpuidle.c
index de97186..d5809f4 100644
--- a/arch/arm/mach-msm/cpuidle.c
+++ b/arch/arm/mach-msm/cpuidle.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -83,7 +83,7 @@
#endif
pm_mode = msm_pm_idle_prepare(dev, drv, index);
- msm_pm_idle_enter(pm_mode);
+ dev->last_residency = msm_pm_idle_enter(pm_mode);
for (i = 0; i < dev->state_count; i++) {
st_usage = &dev->states_usage[i];
if ((enum msm_pm_sleep_mode) cpuidle_get_statedata(st_usage)