Re: [RFC PATCH 0/8] CPUs capacity information for heterogeneous systems

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On 07/12/15 13:18, Russell King - ARM Linux wrote:
> On Mon, Dec 07, 2015 at 12:36:54PM +0000, Juri Lelli wrote:
> > On 07/12/15 12:11, Russell King - ARM Linux wrote:
> > > It looks like the second patch doesn't yet have the backing from the DT
> > > people, which prevents the remainder of the patch set progressing.  That's
> > > the sticking point which needs to be resolved.
> > > 
> > 
> > Agreed. That is exactly the point for which I was seeking more feedback.
> > OTOH, 7/8 and 8/8 may potentially work without the DT bindings, as they
> > simply expose a sysfs attribute. If you, and others, see value in them,
> > I can easily put them at the top of the series and post a v2. Thoughts?
> 
> I've no idea, sorry.  When it comes to stuff like CPU level power
> management, the hardware I have is very limited in its capabilities
> (no support even for S2RAM.)  I've also never managed to get
> big.LITTLE working on my platforms that should support it.
> 

No problem. Thanks a lot for your feedback anyway.

> Eg, I gave up with the TC2 tile in Versatile Express.  I forget the
> details, but getting it booting was exceedingly difficult, and no one
> really seemed interested in helping.  So my TC2 tile is collecting
> dust while the CA9x4 tile lives in the platform - which is now part of
> the nightly build/boot test farm.
> 

I guess I could provide some support for the TC2 bits, if you didn't yet
give up completely on it :-). Please, don't hesitate to let me know,
even privately, about that.

Best,

- Juri
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