Christoph> That just means avoidable interface changes sooner or
    Christoph> later.  The dma_ interfaces also have the added benefit
    Christoph> of allowing better control of the type of consistant
    Christoph> allocation interface.

Is there a dma_xxx equivalent to DECLARE_PCI_UNMAP_ADDR(),
pci_unmap_addr_set() and friends, or does a driver always have to save
off the DMA address from dma_map_xxx?

Thanks, 
  Roland