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Subject: Re: [PATCH 1/5] PowerPC 74xx: Katana Qp device tree
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Andrei Dolnikov <adolnikov@ru.mvista.com>
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Date: Tue, 04 Dec 2007 07:52:50 +1100
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> 	#address-cells = <1>;
> +	#size-cells = <1>;
> +	model = "Katana-Qp"; /* Default */
> +	compatible = "emerson,Katana-Qp";
> +	coherency-off;
> +

What do that mean (coherency-off) ?

Somebody is trying again to use a 74xx with non cache coherent DMA ?
That isn't going to fly...

Ben.