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    SubjectRe: [PATCH][RFC] fsldma: fix performance degradation by optimizing spinlock use.
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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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