mtd: nand: omap2: Fix high memory dma prefetch transfer

Based on DMA documentation and testing using high memory buffer when doing
dma transfers can lead to various issues including kernel panics.

To workaround this simply use cpu copy.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This commit is contained in:
Cooper Jr., Franklin 2016-04-15 15:28:59 -05:00 • committed by Boris Brezillon
commit 8c6f0fc4d2