openrisc: remove arch-specific dma_supported implementation
authorChristoph Hellwig <hch@lst.de>
Mon, 22 May 2017 09:11:20 +0000 (11:11 +0200)
committerChristoph Hellwig <hch@lst.de>
Wed, 28 Jun 2017 13:54:44 +0000 (06:54 -0700)
commit19ad53e498745416a77c0377cbb4ee771eedd35b
tree1b7517c5497647330a0de3545c22083bc59c725e
parent3d6119a4a1f3f6c36be494d72a0374822b4a265c
openrisc: remove arch-specific dma_supported implementation

This implementation is simply bogus - openrisc only has a simple
direct mapped DMA implementation and thus doesn't care about the
address.

Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/openrisc/include/asm/dma-mapping.h