tree 743667e5317873f87f82a430c71de90cd106b34a
parent 8005711c8d80e452748e9572bead54493818f042
author Manuel Lauss <manuel.lauss@gmail.com> 1392904763 +0100
committer Ralf Baechle <ralf@linux-mips.org> 1395871761 +0100

MIPS: Alchemy: Determine cohereny at runtime based on cpu type

All Alchemy chips have coherent DMA, but for example the USB or AC97
peripherals on the Au1000/1500/1100 are not.
This patch uses DMA_MAYBE_COHERENT on Alchemy and sets coherentio based
on CPU type.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/6576/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>