Re: [PATCH 11/19] ARM: OMAP4: PM: save/restore CM L3INSTR registers when MPU hits OSWR/OFF mode

[Tero Kristo <t-kristo@xxxxxx>]

On Tue, 2012-04-24 at 12:57 -0500, Jon Hunter wrote:
> Hi Tero,
> 
> On 04/20/2012 04:33 AM, Tero Kristo wrote:
> > From: Rajendra Nayak <rnayak@xxxxxx>
> > 
> > On HS devices on the way out of MPU OSWR and OFF ROM code wrongly
> > overwrites the CM L3INSTR registers. So to avoid this, save them and
> > restore on the way out from MPU OSWR/OFF.
> 
> This appears to be an errata. So, it would be good to state explicitly
> here that all revisions of all omap4 devices are impacted by this
> errata. The code implies this but for documentation purposes it would be
> worth stating.

Okay, I'll add some extra beef here.

-Tero



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