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    SubjectRe: [PATCH] i2c: designware: use {readl|writel}_relaxed instead of readl/writel
    Hi Wolfram,

    On Tue, Jan 13, 2015 at 03:36:54PM +0100, Wolfram Sang wrote:
    > > The driver does not perform DMA, so it's safe to use the relaxed version.
    > > From another side, the relaxed io accessor macros are available on all
    > > architectures now, so we can use the relaxed versions instead.
    >
    > Can the designware core make use of DMA in theory?

    According to the "DesignWare DW_apb_i2c Databook" version I have it can
    (optionally).

    baruch

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    http://baruch.siach.name/blog/ ~. .~ Tk Open Systems
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