Messages in this thread | | | Date | Wed, 21 May 2008 16:49:50 +0900 | From | Paul Mundt <> | Subject | Re: [PATCH 00/03][RFC] Reusable UIO Platform Driver |
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On Wed, May 21, 2008 at 08:49:38AM +0200, Uwe Kleine-K?nig wrote: > Magnus Damm wrote: > > Extending uio_pdrv driver with a chunk of physically > > contiguous memory isn't a big deal though. > I wonder how you use that memory. Isn't it just some kind of shared > memory? If so, why not use normal shared memory? Do you really need > that? > Physically contiguous memory is a real requirement, especially for DMA. I'm not sure what's confusing about that?
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