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    SubjectRe: PCI DMA to small buffers on cache-incoherent arch
       From: Oliver Neukum <>
    Date: Wed, 12 Jun 2002 14:02:53 +0200

    If I understand both Davids correctly this is the solution.
    Buffers for dma must be allocated seperately using a special allocation
    function which is given the device so it can allocate correctly.
    David B wants a bus specific pointer to a function in the generic
    driver structure, right ?

    Eventually it could be exactly that, via the generic driver struct.

    For now it can be a usb specific thing, and when the generic device
    stuff is ready we just go:

    #define usb_pool_alloc(...) dev_pool_alloc(...)

    without having to touch any of the driver call sites.
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