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    SubjectRe: DMA API issues
    On Fri, 2004-06-18 at 14:44, Ian Molton wrote:
    > > For example, if usbaudio uses usb_buffer_alloc to stream data,
    > > that eliminates dma bouncing. That's dma_alloc_coherent at
    > > its core ... it should allocate from that 32K region.
    > Agreed.

    There are complications to this: not all platforms can access PCI memory
    directly. That's why ioremap and memcpy_toio and friends exist. What
    should happen on these platforms?


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