Messages in this thread | | | From | Tabi Timur-B04825 <> | Subject | Re: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use. | Date | Wed, 30 Nov 2011 00:08:44 +0000 |
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On Tue, Nov 29, 2011 at 11:25 AM, Ira W. Snyder <iws@ovro.caltech.edu> wrote:
> I believe that you are correct, for powerpc. However, anything outside > of arch/powerpc shouldn't assume it only runs on powerpc. I wouldn't be > surprised to see fsldma running on an iMX someday (ARM processor).
I certainly would. The i.MX chips have their own DMA controller. The DMA controller that fsldma.c works with is unique to Freescale's 83xx, 85xx, and QorIQ chips.
-- Timur Tabi Linux kernel developer at Freescale
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