[PATCH 1/3] iommu: Move swap_pci_ref function to pci.h.

[Bjorn Helgaas]

On Mon, Apr 15, 2013 at 8:58 AM, Joerg Roedel <joro at 8bytes.org> wrote:
> On Mon, Apr 15, 2013 at 12:42:00AM +0530, Varun Sethi wrote:
>> swap_pci_ref function is used by the IOMMU API code for swapping pci device
>> pointers, while determining the iommu group for the device.
>> Currently this function was being implemented for different IOMMU drivers.
>> This patch moves the function to pci.h so that the implementation can be
>> shared across various IOMMU drivers.
>
> The function is only used in IOMMU code, so I think its fine to keep it
> there (unless Bjorn disagrees and wants it in PCI code).

I agree; I don't think there's much benefit in putting something under
#ifdef CONFIG_IOMMU_API into pci.h.  Maybe there is or could be a
shared iommu header file?

Bjorn