The last pull request didn't make it to v4.15 (I was too late) so pull it to wireless-drivers-next.git instead so that it can go to v4.16.
@@ -31,7 +31,7 @@ config SSB_BLOCKIO
config SSB_PCIHOST_POSSIBLE
bool
- depends on SSB && (PCI = y || PCI = SSB) && PCI_DRIVERS_LEGACY
+ depends on SSB && (PCI = y || PCI = SSB) && (PCI_DRIVERS_LEGACY || !MIPS)
default y
config SSB_PCIHOST