Re: [PATCH 04/16] PCI/P2PDMA: Refactor pci_p2pdma_map_type() to take pagmap and device

[Jason Gunthorpe]

On Mon, May 03, 2021 at 02:54:26PM -0700, John Hubbard wrote:

> I guess my main concern here is that there are these pci*() functions
> that somehow want to pass around struct device.

Well, this is the main issue - helpers being used inside IOMMU code
should not be called pci* functions. This is some generic device p2p
interface that happens to only support PCI to PCI transfers today.

Jason