Re: [PATCH 2/2] dma: mv_xor: Use high_base mmio where appropriate

From: Thomas Petazzoni
Date: Tue Oct 29 2013 - 15:24:48 EST

Dear Dan Williams,

On Tue, 29 Oct 2013 12:15:18 -0700, Dan Williams wrote:

> > I agree with Ezequiel, and I believe his patch is appropriate. The
> > registers for the XOR engines are indeed split in two areas, so it
> > makes sense to have this xor_base / xor_high_base split that reflects
> > the register mapping passed from the Device Tree, and use this split in
> > the macros used to access the registers.
> >
> Ah ok, so it's a bug if an implementation ever puts the second
> resource window at a non 0x200 offset.


Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
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