Re: [PATCH 08/10] iommu/omap: Use bus_set_iommu instead of register_iommu

[Ohad Ben-Cohen]

On Mon, Sep 26, 2011 at 3:22 PM, Roedel, Joerg <Joerg.Roedel@xxxxxxx> wrote:
> That is interesting. What bus do these IOMMU users you talk about belong
> to?

E.g., virtio devices (which today originates from a platform device)
or even rpmsg users (which originates from the former virtio devices).

> Is it a seperate bus that originates from a platform device?

Yes.

> in that
> case the situation sounds a little bit like with USB on x86. The usb
> controlers are PCI devices and DMA handles are allocated using the
> pci_dev of the controler and not the usb_device.

Yeah, sounds very similar.

Thanks,
Ohad.
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