PCI: altera: Rework config accessors for use without a struct pci_bus

Rework configs accessors so a future patch can use them in _probe() with
struct altera_pcie instead of struct pci_bus.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Ley Foon Tan 2016-08-26 09:47:24 +08:00 • committed by Bjorn Helgaas
commit 31fc0ad47e