On Sun, Oct 18, 2020 at 11:14:53PM -0700, Randy Dunlap wrote: > Fix a build error in drivers/mfd/ioc.o by exporting > pci_find_host_bridge(). > > ERROR: modpost: "pci_find_host_bridge" [drivers/mfd/ioc3.ko] undefined! I think the mfd code should be fixed to not depend on such an internal symbol instead.