Re: [PATCH v4 09/15] pci: Consolidate pci_iomap* and pci_iomap*wc

[Andi Kleen]

> Why is it safe to make pci_iomap_wc_range() support IO ports when it
> didn't before?  That might be desirable, but I think it *is* a
> functional change here.

None of the callers use it to map IO ports, so it will be a no-op for 
them. But you're right, it's a (minor) functional change.

-Andi