[PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound traffic

Florian Fainelli f.fainelli at gmail.com
Thu Jan 18 07:09:23 PST 2018


On January 17, 2018 11:31:23 PM PST, Christoph Hellwig <hch at lst.de> wrote:
>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.

Care to explain what should be done instead?

-- 
Florian



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