[PATCH-V2 2/2] arm:omap:am33xx: Add power domain data

Hiremath, Vaibhav hvaibhav at ti.com
Thu Mar 8 11:39:57 EST 2012


On Fri, Mar 02, 2012 at 16:16:47, Paul Walmsley wrote:
> Hi
> 
> On Fri, 2 Mar 2012, Hiremath, Vaibhav wrote:
> 
> > Paul,
> > Thanks for your review comments, can we also align on the approach, 
> > Whether to merge am33xx powerdomain with omap4 (same direction we are now)
> > OR
> > Have separate implementation (my original approach).
> 
> Could you please take a look at the "am335x_prcm_devel_3.4" branch on 
> git://git.pwsan.com/linux-2.6 and let me know what you think?
> 
> It is still rough, incomplete, and compile-tested only; and the patch 
> commit messages have to be updated and revised; but I think it is a 
> slightly better approach.
> 

Paul,

Sorry for delayed response, was bit stuck with some baseport thing.


I have reviewed the changes from your above branch. And as I mentioned 
before, it looks closer to my earlier approach + some good and important 
changes/cleanups.

> A significant change is that the prminst code changes have been removed.  
> That is only needed when PRM registers are spread across multiple PRCM IP 
> blocks.  

Make sense actually...I don't know, why didn't thought about this before...

> This does not appear to be the case with AM33xx?  So the 
> implementation has been modified to create a prm33xx.c file instead.  
> This avoids an extra, unnecessary layer of indirection for PRM accesses.
> 
> This, along with the other differences between OMAP4 and this chip, means 
> that a separate powerdomain33xx.c file had to be created.
> 
> The powerdomains33xx_data.c file is still missing the bitmask position 
> data, but the structure members are there.
> 

Yeah, I understand, I think without this it won't be usefule. I will also get this done in next (aligned) changes.

> Feel free to combine, rework, or merge this series with what you are 
> working on if you feel that it is a good approach.  Otherwise, let's 
> discuss.
> 

Thanks, Thanks a lot for your time/support/review, as always its helpful.


Thanks,
Vaibhav

> 
> - Paul
> 




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