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authorAnshul Jain <anshulj@nvidia.com>2012-07-23 14:59:32 -0700
committerSimone Willett <swillett@nvidia.com>2012-07-30 20:46:28 -0700
commit4582bcef392ae029336673f5685a18fc67ac041a (patch)
tree3f0da45b86faadf3f3f2efde51871ed5b0efd235 /arch/arm/mach-tegra/dvfs.c
parent4012b752d64fd88efc3797e42ad8fedb29045e06 (diff)
ARM: tegra: dvfs: Adjust VDD_CPU to offset aging
Add silicon aging for VDD_CPU, this recovers some of millivolts based on the age of the chip. BUG 1006420 Change-Id: Idddb5861ab039e7ece262dec3697a69c3534ccf2 Signed-off-by: Anshul Jain <anshulj@nvidia.com> Reviewed-on: http://git-master/r/116911 Reviewed-by: Aleksandr Frid <afrid@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Diwakar Tundlam <dtundlam@nvidia.com> GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'arch/arm/mach-tegra/dvfs.c')
-rw-r--r--arch/arm/mach-tegra/dvfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/dvfs.c b/arch/arm/mach-tegra/dvfs.c
index cb33e3db862f..43f42cdf527d 100644
--- a/arch/arm/mach-tegra/dvfs.c
+++ b/arch/arm/mach-tegra/dvfs.c
@@ -38,6 +38,7 @@
#include "board.h"
#include "clock.h"
#include "dvfs.h"
+#include "timer.h"
#define DVFS_RAIL_STATS_BIN 25
#define DVFS_RAIL_STATS_SCALE 2
@@ -681,9 +682,13 @@ int __init tegra_dvfs_late_init(void)
{
bool connected = true;
struct dvfs_rail *rail;
+ int cur_linear_age = tegra_get_linear_age();
mutex_lock(&dvfs_lock);
+ if (cur_linear_age >= 0)
+ tegra_dvfs_age_cpu(cur_linear_age);
+
list_for_each_entry(rail, &dvfs_rail_list, node)
if (dvfs_rail_connect_to_regulator(rail))
connected = false;