sparc64: Get rid of pci_controller_info.
It is just used as a parent to encapsulate two PBM objects.
But that layout is only really relevant and necessary for
psycho PCI controllers, which unlike all the others share
a single IOMMU instance between sibling PCI busses.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 8e18fdf..3070f6f 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -977,14 +977,14 @@
EXPORT_SYMBOL(pcibus_to_node);
#endif
-/* Return the domain nuber for this pci bus */
+/* Return the domain number for this pci bus */
int pci_domain_nr(struct pci_bus *pbus)
{
struct pci_pbm_info *pbm = pbus->sysdata;
int ret;
- if (pbm == NULL || pbm->parent == NULL) {
+ if (!pbm) {
ret = -ENXIO;
} else {
ret = pbm->index;
