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ARM: tegra20: add CPU hotplug support

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Hotplug function put CPU in offline or online mode at runtime.
When the CPU been put into offline, it was been clock gated. The
offline CPU can be power gated, when the remaining CPU goes into
LP2.

Based on the worked by:
Colin Cross <ccross@android.com>
Gary King <gking@nvidia.com>

Signed-off-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Joseph Lo 2012-08-16 17:31:52 +08:00 • committed by Stephen Warren
commit 453689e407
5 changed files with 96 additions and 0 deletions
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