arm: tegra: Handle down interrupt of actmon
authorKarthik Ramakrishnan <karthikr@nvidia.com>
Tue, 24 Sep 2013 04:47:26 +0000 (21:47 -0700)
committerMrutyunjay Sawant <msawant@nvidia.com>
Wed, 25 Sep 2013 11:06:12 +0000 (04:06 -0700)
commitbbc6fff3b3fc0f964dba1ed6a22280d45119bd16
tree63d487350e6f21b9c3f20288a25dfbc8edb6680f
parent05bd65f165ae2caf80c59e62761656cc9bf19d77
arm: tegra: Handle down interrupt of actmon

When the cpu load starts going down, the down interrupt is
disabled. This stops further interrupts and if missed, the emc
frequency is locked to high.

The change re-enables down watermark interrupts if gets disabled
due to emc lock.

Bug 1352917

Change-Id: I838eb05b313f9ddc287226c25f23e115fe117599
Signed-off-by: Karthik Ramakrishnan <karthikr@nvidia.com>
Reviewed-on: http://git-master/r/278131
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-by: Wen Yi <wyi@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
arch/arm/mach-tegra/tegra3_actmon.c