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authorJoseph Lo <josephl@nvidia.com>2012-10-31 17:41:17 +0800
committerStephen Warren <swarren@nvidia.com>2012-11-15 15:09:21 -0700
commitd457ef358f3c7179c428becda45b1dfd2b8cf98a (patch)
tree90299ea88a7fb8ebe02cb2cd45160db13afe6775 /Kconfig
parentd3f293656c07a1147c11e8c8774d7955a903cee0 (diff)
downloadblackbird-op-linux-d457ef358f3c7179c428becda45b1dfd2b8cf98a.tar.gz
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ARM: tegra30: cpuidle: add powered-down state for secondary CPUs
This supports power-gated idle on secondary CPUs for Tegra30. The secondary CPUs can go into powered-down state independently. When CPU goes into this state, it saves it's contexts and puts itself to flow controlled WFI state. After that, it will been power gated. Be aware of that, you may see the legacy power state "LP2" in the code which is exactly the same meaning of "CPU power down". Based on the work by: Scott Williams <scwilliams@nvidia.com> Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
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