[POWERPC] pci_controller->arch_data really is a struct device_node *

arch/powerpc/kernel/isa-bridge.c

arch/powerpc/kernel/pci-common.c

arch/powerpc/kernel/pci_32.c

arch/powerpc/kernel/pci_64.c

arch/powerpc/kernel/pci_dn.c

arch/powerpc/kernel/prom_parse.c

arch/powerpc/kernel/rtas_pci.c

arch/powerpc/platforms/82xx/pq2.c

arch/powerpc/platforms/85xx/mpc85xx_ds.c

arch/powerpc/platforms/86xx/mpc8610_hpcd.c

arch/powerpc/platforms/86xx/mpc86xx_hpcn.c

arch/powerpc/platforms/cell/io-workarounds.c

arch/powerpc/platforms/celleb/io-workarounds.c

arch/powerpc/platforms/celleb/pci.c

arch/powerpc/platforms/maple/pci.c

arch/powerpc/platforms/powermac/pci.c

arch/powerpc/platforms/pseries/iommu.c

include/asm-powerpc/pci-bridge.h