[PATCH v6 0/7] ARM: OMAP2+: PM: introduce the power domains functional states
Jean Pihet
jean.pihet at newoldbits.com
Tue Sep 18 12:51:23 EDT 2012
Hi Paul,
On Thu, Sep 13, 2012 at 9:04 AM, Jean Pihet <jean.pihet at newoldbits.com> wrote:
> On Thu, Sep 13, 2012 at 2:34 AM, Kevin Hilman
> <khilman at deeprootsystems.com> wrote:
>> Jean Pihet <jean.pihet at newoldbits.com> writes:
>>
>>> Here is a re-spin after some comments and suggestions after review
>>> and discussions.
Did you have a chance to look at the series?
Regards,
Jean
>>>
>>> Implement the functional states for the power domains:
>>> - unify the API to use the functional states. The new API
>>> consists of the pwrdm_set*_fpwrst and pwrdm_read*_fpwrst
>>> functions and is the API to use to control the power domains
>>> power and logic states,
>>> - reorganize the powerdomain API in internal and external parts,
>>> in powerdomain.h [1]
>>> - protect the power domain state change by a lock in the
>>> functions that read and set the powerdomains next functional state,
>>> - introduce the functional states for power domains power states and
>>> logic power states [2], and the conversion functions between the
>>> functional and internal states. The conversion functions are
>>> lightweight and generic. The power domains allowed states [3] are
>>> defined in the pwrsts and pwrsts_logic_ret fields of the struct
>>> powerdomain,
>>> - program the logic power state of power domains from the functional
>>> states, in pwrdm_set*_fpwrst
>>> - convert the OMAP2/3/4 PM code to use the updated API,
>>> - provide the power domains statistics by functional states,
>>> - provide ftrace tracepoints with the functional state,
>>> - provide error logs in critical code, which makes the development
>>> easier.
>>
>> I just gave this series a round of PM testing. I tested retention
>> and off in idle & suspend, with and without CPUidle on 3430/n900,
>> 3530/Overo, 3730/OveroSTORM, 3730/Beagle-xM and 4430/Panda (though only
>> MPU/CPU ret/off is supported for OMAP4 in mainline.)
>>
>> All PM tests passed with flying colors. Nice!
> Great!
>
> Thanks a lot Kevin for testing
>
> Jean
>
>>
>> Kevin
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