The previous patch did not compile cleanly on all architectures so
  here's a fixed one.
  
  Use the DMA_{64,32}BIT_MASK constants from dma-mapping.h when calling
  pci_set_dma_mask() or pci_set_consistent_dma_mask()
Signed-off-by: NTobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>