On Mon, 2007-12-17 at 16:50 -0800, David Miller wrote:
> The problem is likely what device struct you are passing to
> dma_sync_single_for_device(), it has to be a real pci_dev or similar
> that has it's dev_archdata properly initialized.
>
> I bet dev_archdata in whatever "struct device" is being passed in has
> a NULL iommu pointer or something like that.
>
> Oh yeah, I see what you're doing, that won't work, please pass in
> the correct device struct pointer. Please pass in the &pci_dev->dev
> not this ohci->card.device thing.
Yup, this would crash on powerpc 64 bits as well for the same reason.
Ben.
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