Re: PM(?) problems on v3.3-rc1 on OMAP3

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On Mon, 23 Jan 2012, Tomi Valkeinen wrote:

> On Mon, 2012-01-23 at 02:04 -0700, Paul Walmsley wrote:
> > On Mon, 23 Jan 2012, Tomi Valkeinen wrote:
> > 
> > > Then I noticed that the DISPC's ENWAKEUP is not set. Setting ENWAKEUP
> > > (with SIDLEMODE/IDLEMODE in smart mode) also removes the problem.
> > 
> > Sounds like you've nailed it.
> > 
> > What is perplexing is that the hwmod code should be setting this by 
> > default in omap_hwmod.c:_enable_sysc().  I wonder why that is not 
> > happening.
> 
> It seems the omap2_dispc_sysc is missing SYSC_HAS_ENAWAKEUP. I wonder if
> that's a mistake or by purpose...

That's almost certainly a mistake.  It's documented in the 34xx vZR TRM 
and so far I don't know of any reason for omitting any of those bits.

I just searched my linux-omap folder for the original patch for this.  It 
seems to be

Date: Mon, 3 Jan 2011 18:20:53 +0530
From: Guruswamy Senthilvadivu <svadivu@xxxxxx>
Subject: [PATCH v3 01/17] OMAP2420: hwmod data: add DSS DISPC RFBI VENC

and it was missing in that patch.  Guess I missed it when I reviewed this 
patch.  Sigh...

Want to spin a quick patch for v3.3-rc1 to add it?


- Paul
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