[RFC][PATCH 0/7] OMAP4 cpuidle cleanup

Daniel Lezcano daniel.lezcano at linaro.org
Wed Mar 21 14:19:15 UTC 2012


On 03/21/2012 02:43 PM, Jean Pihet wrote:
> On Wed, Mar 21, 2012 at 11:07 AM, Santosh Shilimkar
> <santosh.shilimkar at ti.com>  wrote:
>> Daniel,
>>
>> On Wednesday 21 March 2012 02:57 PM, Daniel Lezcano wrote:
>>> This patchset is a proposition to improve a bit the code.
>>> The changes are code cleanup and does not change the behavior of the
>>> driver itself.
>>>
>>> A couple a things call my intention. Why the cpuidle device is set for cpu0 only
>>> and why the WFI is not used ?
>>>
>>> Daniel Lezcano (7):
>>>    ARM: OMAP4: cpuidle - Remove unused valid field
>>>    ARM: OMAP4: cpuidle - Declare the states with the driver declaration
>>>    ARM: OMAP4: cpuidle - Remove the cpuidle_params_table table
>>>    ARM: OMAP4: cpuidle - fix static omap4_idle_data declaration
>>>    ARM: OMAP4: cpuidle - Initialize omap4_idle_data at compile time
>>>    ARM: OMAP4: cpuidle - use the omap4_idle_data variable directly
>>>    ARM: OMAP4: cpuidle - remove omap4_idle_data initialization at boot
>>>      time
>>>
>> The series looks fine to me in general. This clean-up is applicable
>> for OMAP3 cpuidle code as well.
> Great!
> However OMAP3 has a few specific things that cannot be removed as easily:
> - the 'valid' flag is used because only certain combinations of power
> domains states are possible,
> - the latency settings can be overriden by the board code, so the
> cpuidle_params struct is needed.

Right, I noticed that. I am looking for a way to have a similar cleanup 
for omap3 but without breaking the rx51 board.

Thanks
   -- Daniel


>> I want Jean to look at this series because some of his earlier
>> clean up has introduced those custom functions which
>> are getting removed in this series.
>>
>> Regards
>> santosh
>>
>>
>
> Thanks,
> Jean


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