arm: use a dummy struct device for ISA DMA use of the DMA API

This gets rid of the last NULL dev argument passed to the DMA API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-12-21 14:56:38 +01:00
commit 5ab6a91a1c
2 changed files with 14 additions and 2 deletions