tree 59f52a3fc71bb9c0dc95624aba3194526977fe5a
parent eca331c20fbedaf04b28b79f388ae0836db33e5e
author H Hartley Sweeten <hsweeten@visionengravers.com> 1421085371 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1421533521 -0800

staging: comedi: dt282x: remove VIRT_TO_BUS dependancy

Use dma_{alloc,free}_coherent() to allocate and free the DMA buffers.
This removes the dependancy on VIRT_TO_BUS.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>