RE: [PATCH v3 1/2] omap: dma: Fix buffering disable bit setting for omap24xx

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> -----Original Message-----
> From: Peter Ujfalusi [mailto:peter.ujfalusi@xxxxxxxxx] 
> Sent: Monday, October 04, 2010 11:45 AM
> To: G, Manjunath Kondaiah
> Cc: Jarkko Nikula; Tony Lindgren; linux-omap@xxxxxxxxxxxxxxx; 
> Liam Girdwood
> Subject: Re: [PATCH v3 1/2] omap: dma: Fix buffering disable 
> bit setting for omap24xx
> 
> On Monday 04 October 2010 08:55:46 ext G, Manjunath Kondaiah wrote:
> > 
> > 2/2 is applicable for all omap2plus except omap4. So far 2/2 
> > workaround is not used with TI internal trees.
> > 
> > > We experimented that also on 2420 and it seemed to help but since 
> > > the lockup was unrecovable I went thinking if 2420 has 
> also another 
> > > issue what original workaround was trying to fix and buffering 
> > > disable was needed there.
> > 
> > I don't have any data for 2420. Based on your observation, it is 
> > better to disable buffering for 2420.
> 
> Does the same errata number applies to OMAP2 and OMAP3 as well?
No errata numbers numbers used with TI errata documents till omap2430.
Errata numbers avaialable from omap3430 onwards.

> For OMAP3 the errata number is i541, but I do not know the 
> iXYZ number for OMAP2 class.

Being said that no errata numbers for omap2 class, it's ok to use
omap3 errata numbers for common errata(like your patch 2/2)

-Manjunath




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