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Ian Abbott authored
Use `dma_alloc_coherent()` to allocate the DMA buffers instead of using `__get_free_pages()` to allocate and `virt_to_bus()` to get the hardware address. The coherent buffers are fairly small - at most 4 pages (although there are two of them). Use of `virt_to_bus()` is discouraged. Note: `struct addi_private` is used by some other ADDI-DATA drivers as well, but this is the only one using the affected members. Signed-off-by:
Ian Abbott <abbotti@mev.co.uk> Reviewed-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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