pnv_tce_xchg 1958 arch/powerpc/platforms/powernv/pci-ioda.c return pnv_tce_xchg(tbl, index, hpa, direction, !realmode); pnv_tce_xchg 229 arch/powerpc/platforms/powernv/pci.h extern int pnv_tce_xchg(struct iommu_table *tbl, long index,