[PATCH 2/2] arm: omap3: am35x: Disable hlt when using Davinci EMAC

Mark A. Greer mgreer at animalcreek.com
Thu Jul 19 14:26:02 EDT 2012


On Wed, Jul 18, 2012 at 05:25:16PM -0600, Paul Walmsley wrote:
> On Wed, 18 Jul 2012, Mark A. Greer wrote:
> 
> > On Tue, Jul 17, 2012 at 09:54:53PM -0600, Paul Walmsley wrote:
> > 
> > > Want to try something like this?  It's your patch but modified to not use 
> > > disable/enable_hlt().  If it doesn't work in your test case, maybe 
> > > try uncommenting that second set of deny_idle / allow_idle ...
> > 
> > I tested the modified patch (to get it to compile) below.
> 
> Doh, sorry about that. 

No worries.

> > It did not work with or without the core_dpll_ck deny_idle/allow_idle
> > commented out.
> 
> Here's a version with some of the CPUIdle states restricted.  Maybe try 
> this one if you're using CPUIdle?

I wasn't but I tried this lastest patch with and without CPUidle...

> If it happens to work, it would also be interesting to know if it works 
> with the CORE DPLL part commented out.

...and, unfortunately, it didnt' work in either case.

Mark



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