RE: [PM-OPP][PATCH 2/2] omap3: opp: make independent of cpufreq

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>>-----Original Message-----
>>From: Nishanth Menon [mailto:menon.nishanth@xxxxxxxxx]
>>Sent: Wednesday, August 11, 2010 4:14 PM
>>To: Gopinath, Thara
>>Cc: Menon, Nishanth; linux-omap; Eduardo Valentin; Kevin Hilman; Paul Walmsley; Nayak, Rajendra;
>>Premi, Sanjeev; Tony Lindgren
>>Subject: Re: [PM-OPP][PATCH 2/2] omap3: opp: make independent of cpufreq
>>
>>On 08/11/2010 04:12 AM, Gopinath, Thara wrote:
>>>
>>>
>>>>> -----Original Message-----
>>>>> From: Menon, Nishanth
>>>>> Sent: Wednesday, August 11, 2010 7:47 AM
>>>>> To: linux-omap
>>>>> Cc: Menon, Nishanth; Eduardo Valentin; Kevin Hilman; Paul Walmsley; Nayak, Rajendra; Premi,
>>Sanjeev;
>>>>> Gopinath, Thara; Tony Lindgren
>>>>> Subject: [PM-OPP][PATCH 2/2] omap3: opp: make independent of cpufreq
>>>>>
>>>>> Make opp3xx data which is registered with the opp layer
>>>>> dependent purely on CONFIG_PM as opp layer and pm.c users
>>>>> are CONFIG_PM dependent not cpufreq dependent.
>>>>> so we rename the data definition to opp3xxx_data.c (inline with what
>>>>> we have for omap2), also move the build definition to be under
>>>>> the existing CONFIG_PM build instead of CPUFREQ.
>>>>>
>>>>> Cc: Eduardo Valentin<eduardo.valentin@xxxxxxxxx>
>>>>> Cc: Kevin Hilman<khilman@xxxxxxxxxxxxxxxxxxx>
>>>>> Cc: Paul Walmsley<paul@xxxxxxxxx>
>>>>> Cc: Rajendra Nayak<rnayak@xxxxxx>
>>>>> Cc: Sanjeev Premi<premi@xxxxxx>
>>>>> Cc: Thara Gopinath<thara@xxxxxx>
>>>>> Cc: Tony Lindgren<tony@xxxxxxxxxxx>
>>>>>
>>>>> Signed-off-by: Nishanth Menon<nm@xxxxxx>
>>>>> ---
>>>>> Note:
>>>>> This takes care of the discussion on opp file renaming and making
>>>>> it independent of cpufreq, unless I missed something else
>>>>>
>>>>> arch/arm/mach-omap2/Makefile                       |    5 +----
>>>>> .../mach-omap2/{cpufreq34xx.c =>  opp3xxx_data.c}   |    0
>>>>> 2 files changed, 1 insertions(+), 4 deletions(-)
>>>>> rename arch/arm/mach-omap2/{cpufreq34xx.c =>  opp3xxx_data.c} (100%)
>>>
>>> Is this part of PM-OPP branch? Also I was thinking of reusing the same file for OMAP4.
>>this defines the opp data base and would be part of pm-opp branch. the
>>idea of rename was this:
>>a) be clear that this is not dependent on cpufreq alone.

I do not understand this. This files is not present in PM-OPP branch. But you have a patch modifying it against PM-OPP branch. Am I looking at a wrong version of PM-OPP branch?

>>b) use the same convention in arch/arm/mach-omap2/ like omap2's opp data
>>files which could be converted to use the opp layer now instead of
>>having it's own opp layer. and maybe hopefully omap1 as well..
>>c) when we do specific product build, it makes sense to have arch
>>specific files as it makes not much reason to carry the omap4/2
>>definitions(even if init_data).
>>
>>> No reason why we should have a different file for OMAP4. So a better name than opp3xxx_data.c?
>>why do we need to have it in the same file? Remember, 3630,3430 are
>>under OMAP3 family, but omap4 is considered a different arch.

Code is more or less the same. Is that not a sufficient reason to reuse a  file ?
>>
>>Regards,
>>Nishanth Menon
>>[...]
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