Subject: Re: Inbound PCI and Memory Corruption

From: Scott Wood <[email-masked]>
Date: Fri, 19 Jul 2013 12:44:33 -0500

On 07/18/2013 05:02:33 PM, Benjamin Herrenschmidt wrote:
> On Thu, 2013-07-18 at 14:30 -0700, Peter LaDow wrote:
> > We are still stumped on this one, but during a review of the system
> > setup one thing came up that we aren't sure about is the device tree
> > and the DMA engine.
> >
> > It does seem that for incoming PCI transactions the Freescale DMA
> > engine is not used.  And in our device tree we have the DMA engine
> > commented out.  That is, the "fsl,mpc8349-dma" and "fsl,elo-dma"
> > compatible items are not present in the FDT.
> >
> > I don't suppose this could be a problem?
>=20
> I doubt it but somebody from FSL might be able to give a better =20
> answer.

The DMA engine is not related to inbound PCI transactions.

-Scott=