Re: DSS pwrdm usecount, disabling autodeps for DSS

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Tomi Valkeinen <tomi.valkeinen@xxxxxx> writes:

> On Fri, 2012-03-09 at 10:57 -0700, Paul Walmsley wrote:
>> On Fri, 9 Mar 2012, Tomi Valkeinen wrote:
>> 
>> > I didn't get very far with the patch =(. Tested on omap3 overo, with
>> > -rc6 based dss tree.
>> 
>> Thanks for testing and the .config.  Probably the best thing to do in the 
>> medium term is to fix the hwmod iclk handling; I think that will also fix 
>> the DSS autodeps problem.
>
> Btw, I don't know if it affects omap2/3, but I'm making a change with
> the dss hwmod devices so that the dss_core will be a parent device to
> all the other dss hwmod devices. This solves the mess on omap4, the
> modulemode bit, and the sequence in which the dss clocks need to be
> enabled, as dss_core will always be enabled first.
>
> This requires two patches for omap_device, "ARM: OMAP: remove
> omap_device_parent", "ARM: OMAP: omap_device: Expose omap_device_{alloc,
> delete, register}" which I hope are going in in the next merge window.

Yes, both are queued for 3.4.

Kevin

>
> So, it may not affect omap2/3 in any way, but just thought to mention.
>
>  Tomi
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