RE: [PATCH 8/9] dspbridge: add map support for big buffers

[Guzman Lugo, Fernando]

> -----Original Message-----
> From: Felipe Contreras [mailto:felipe.contreras@xxxxxxxxx] 
> Sent: Wednesday, August 25, 2010 1:06 AM
> To: Guzman Lugo, Fernando
> Cc: Kanigeri, Hari; linux-omap@xxxxxxxxxxxxxxx; 
> linux-kernel@xxxxxxxxxxxxxxx; ohad@xxxxxxxxxx; 
> hiroshi.doyu@xxxxxxxxx; ameya.palande@xxxxxxxxx; 
> felipe.contreras@xxxxxxxxx
> Subject: Re: [PATCH 8/9] dspbridge: add map support for big buffers
> 
> On Wed, Aug 25, 2010 at 12:55 AM, Guzman Lugo, Fernando 
> <fernando.lugo@xxxxxx> wrote:
> >> However, from what I can see iovmm can be used instead of 
> dmm even if 
> >> the switch to iommu is not yet there.
> >
> > Iovmm have a list of memory used (reserved, that is what dmm module
> > does) and also maps the buffer, So we can not use iovmm without 
> > removing The mapping which is done inside dspbridge because it will 
> > conflic with The mapping doing inside iovmm module. So that 
> means for 
> > using iovmm, the Mapping in dspbridge had to be removed in 
> order to work properly.
> 
> Or the whole iovmm.c can be copied and just remove the mapping.

That is the migration patches do, remove custom bridge mapping and
use iovmm module instead.

Regards,
Fernando.

> 
> --
> Felipe Contreras
> --
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