Re: dma_alloc_coherent() on PPC32: physical addresses above 2Gpossible?

From: Arjan van de Ven
Date: Sun Jul 20 2008 - 14:44:22 EST

On Sun, 20 Jul 2008 20:36:23 +0200
Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx> wrote:

> PS: I don't want to set the DMA mask of this device to
> DMA_31BIT_MASK because that would be detrimental to other functions
> of the device. It's a TI TSB43AB22A FireWire controller.


just want to mention that you can set the coherent mask separately from
the generic mask... is that sufficient for your load?
(you can even set it just for this allocation..)

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