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Date: Thu, 18 Jan 2018 08:31:23 +0100
From: Christoph Hellwig <hch@lst.de>
To: Rob Herring <robh+dt@kernel.org>
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Subject: Re: [PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound
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On Wed, Jan 17, 2018 at 08:15:33PM -0600, Rob Herring wrote:
> > (a) overriding/redefining the dma_to_phys() and phys_to_dma() calls
> > that are used by the dma_ops routines.  This is the approach of
> >
> >         arch/mips/cavium-octeon/dma-octeon.c
> 
> MIPS is rarely an example to follow. :)

But in this case it actually is the example to follow as told previously.

NAK again for these chained dma ops that only create problems.