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SubjectRe: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.
On Tue, Nov 29, 2011 at 11:25 AM, Ira W. Snyder <> 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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