> -----Original Message-----
> From: [email protected] [mailto:iommu-
> [email protected]] On Behalf Of Joerg Roedel
> Sent: Friday, January 20, 2012 9:31 PM
> To: Laurent Pinchart
> Cc: Ohad Ben-Cohen; Tony Lindgren; [email protected];
> [email protected]; Wood Scott-B07421; David Brown; David
> Woodhouse
> Subject: Re: [PATCH 2/5] iommu/amd: Implement DOMAIN_ATTR_GEOMETRY
> attribute
>
> On Thu, Jan 19, 2012 at 05:27:09PM +0100, Laurent Pinchart wrote:
> > > Well, u64 is a catch-all datatype which should suit all drivers. Is
> > > this a problem at ARM?
> >
> > No, it's not a problem for ARM, at least to my knowledge. It just
> > struck me as weird, as we have specific data types for other kinds of
> > addresses (such as dma_addr_t).
>
> Okay, I looked at the definition and dma_addr_t seems like a good fit.
> To be consistent we should change the iova type of the map/unmap
> functions to dma_addr_t too.
This change is certainly required in the iommu API map/unmap calls.
-Varun