tree 79b6c1d854653d19f868268a424e463d60ee6400
parent a6d1f1aaf2c9481ef0d09d09b2b9c9ac9387c382
author Masahiro Yamada <yamada.masahiro@socionext.com> 1581666017 +0900
committer Peng Fan <peng.fan@nxp.com> 1582118850 +0800

dma-mapping: fix the prototype of dma_map_single()

Make dma_map_single() return the dma address, and remove the
pointless volatile.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>