[PATCH 1/2] dma: mv_xor: use readl/writel instead of __raw_{readl, writel}

[Russell King - ARM Linux]

On Mon, Jul 29, 2013 at 05:05:09PM +0200, Thomas Petazzoni wrote:
> In order to support big-endian execution, the mv_xor driver is changed
> to use thhe readl() and writel() accessors that properly convert from
> the CPU endianess to the device endianess (which in the case of
> Marvell XOR hardware is always little-endian).

Is it necessary that all these be barrier-ied IO operations?