Messages in this thread | | | From | "Guzman Lugo, Fernando" <> | Date | Wed, 25 Aug 2010 11:00:52 -0500 | Subject | RE: [PATCH 8/9] dspbridge: add map support for big buffers |
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> -----Original Message----- > From: Felipe Contreras [mailto:felipe.contreras@gmail.com] > Sent: Wednesday, August 25, 2010 1:06 AM > To: Guzman Lugo, Fernando > Cc: Kanigeri, Hari; linux-omap@vger.kernel.org; > linux-kernel@vger.kernel.org; ohad@wizery.com; > hiroshi.doyu@nokia.com; ameya.palande@nokia.com; > felipe.contreras@nokia.com > 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@ti.com> 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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