FUJITA Tomonori 8d4f5339d1 x86, IA64, powerpc: add phys_to_dma() and dma_to_phys() ...

This adds two functions, phys_to_dma() and dma_to_phys() to x86, IA64
and powerpc. swiotlb uses them. phys_to_dma() converts a physical
address to a dma address. dma_to_phys() does the opposite.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>

2009-07-28 14:19:20 +09:00

..

asm

x86, IA64, powerpc: add phys_to_dma() and dma_to_phys()

2009-07-28 14:19:20 +09:00