[PATCH V3 0/5] ARM: tegra20: cpuidle: add power-down state

Stephen Warren swarren at wwwdotorg.org
Wed Jan 2 14:05:17 EST 2013

On 12/17/2012 07:30 PM, Joseph Lo wrote:
> This adds a "powered-down" state in cpuidle for Tegra20. It requires power
> gating both CPU cores. When the CPU1 requests to enter "powered-down"
> state, it saves its own state and then enters WFI. When the CPU0 requests
> the same state, it attempts to put the CPU1 into reset to prevent it from
> waking up. Then power down both CPUs together and turn off the CPU rail.
> If the CPU1 be woken up before CPU0 entering powered-down state, then it
> needs to restore it's CPU state and waits for next chance.


What's the status of this series? It looks like there are quite a few
comments on V3; I assume you'll post a new version to address those.
Will you base the new version on top of Prashant's common clock cleanup
to remove the conflicts with that?

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