[PATCH 3/4] ARM: nomadik: add dynamic irq flag to the timer

Rickard Andersson rickard.andersson at stericsson.com
Fri Mar 1 08:28:18 EST 2013


On 03/01/2013 09:56 AM, Vincent Guittot wrote:
> On 1 March 2013 02:13, Linus Walleij<linus.walleij at linaro.org>  wrote:
>> On Tue, Feb 26, 2013 at 11:17 PM, Daniel Lezcano
>> <daniel.lezcano at linaro.org>  wrote:
>>
>>> Add the dynamic irq affinity feature to the timer clock device.
>>>
>>> Signed-off-by: Daniel Lezcano<daniel.lezcano at linaro.org>
>> Looks reasonable to me, sadly I do not fully grasp the patch set,
>> Vincent+Rickard can you have a look at this?
> ux500 is able to trig the wake up on one CPU and let the other one in
> WFI. This patch will minimize the spurious wake up of CPU0 when CPU1
> is the target CPU of the broadcast timer. One main consequence is that
> we will not uselessly execute all the deferrable and newly idle
> activities on the CPU0 .
>
> you can add my reviewed-by if you want
>
> Vincent
>
It looks ok to me as well.

BR
Rickard



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