Re: [PATCH V3] arm64: amd-seattle: Adding device tree for AMD Seattle platform

From: Arnd Bergmann
Date: Thu Nov 20 2014 - 10:23:35 EST

On Thursday 20 November 2014 09:16:31 Rob Herring wrote:
> >> + dma-coherent;
> >> + };
> >
> > Same here: you list it as coherent, but not 64-bit DMA capable.
> > Is that intentional?
> AHCI controllers are probeable as to whether they support 64-bit DMA or not.

The controller is, but the bus is not, so we also need the dma-ranges
property in the bus.

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