Re: [PATCH] spi: sh-msiof: Use correct device for DMA mapping with IOMMU

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

Hi Laurent,

On Wed, Jul 9, 2014 at 11:38 PM, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> On Wednesday 09 July 2014 12:21:17 Geert Uytterhoeven wrote:
>> To function correctly in the presence of an IOMMU, the DMA buffers must be
>> mapped using the DMA channel's device instead of the MSIOF platform
>> device's device.
>
> Shouldn't you also update the dma_unmap_single() calls ?

I guess I should ;-)

Thanks, will fix...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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