[PATCH V2 3/3] ARM: tegra114: cpuidle: add powered-down state

Stephen Warren swarren at wwwdotorg.org
Wed Jun 12 13:41:28 EDT 2013


On 06/04/2013 03:40 PM, Daniel Lezcano wrote:
> On 06/04/2013 12:48 PM, Joseph Lo wrote:
>> This supports CPU core power down on each CPU when CPU idle. When CPU go
>> into this state, it saves it's context and needs a proper configuration
>> in flow controller to power gate the CPU when CPU runs into WFI
>> instruction. And the CPU also needs to set the IRQ as CPU power down idle
>> wake up event in flow controller.
>>
>> Signed-off-by: Joseph Lo <josephl at nvidia.com>
> 
> I would like to understand why there is a WARN with the
> CPUIDLE_FLAG_TIMER_STOP flag set before queuing this patch and ensure it
> is not the tree hiding the forest.

Joseph, are you planning to post an updated series or respond to resolve
Daniel's question?



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