From mboxrd@z Thu Jan  1 00:00:00 1970
From: arnd@arndb.de (Arnd Bergmann)
Date: Thu, 20 Nov 2014 16:23:16 +0100
Subject: [PATCH V3] arm64: amd-seattle: Adding device tree for AMD Seattle
 platform
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To: linux-arm-kernel@lists.infradead.org
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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.

	Arnd