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mtd: nand: omap2: Fix high memory dma prefetch transfer
authorCooper Jr., Franklin <fcooper@ti.com>
Fri, 15 Apr 2016 20:28:59 +0000 (15:28 -0500)
committerBoris Brezillon <boris.brezillon@free-electrons.com>
Thu, 5 May 2016 21:52:01 +0000 (23:52 +0200)
commit4f6f59b92a5b45f3195792cfaa5d692c99483b29
tree3a337a1de2334eedb494501aeaf264aaa2892ef2tree | snapshot
parentec3d0b53a55c0e01339c24c54c6d699b080c77f5commit | diff
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>
drivers/mtd/nand/omap2.c diff | blob | history
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