Messages in this thread | | | From | Timur Tabi <> | Date | Tue, 21 Sep 2010 17:34:28 -0500 | Subject | Re: [PATCH] fsldma: add support to 36-bit physical address |
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On Tue, Sep 21, 2010 at 5:17 PM, Scott Wood <scottwood@freescale.com> wrote:
> It needs to be the actual device that is performing the DMA -- the > platform may need to do things such as IOMMU manipulation where > knowing the device matters.
Ok, this all makes sense. So it appears that the patch is valid, at least in theory. I would like to see some testing of it, but I realize that may be too difficult. There's no easy way to force an allocation above 4GB.
-- Timur Tabi Linux kernel developer at Freescale
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