[POWERPC] Minor pSeries IOMMU debug cleanup

pci is not initialized before being used here, so this debug print is
bogus at the current location.  Move it to where it makes sense.
Signed-off-by: NMichael Neuling <mikey@neuling.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/platforms/pseries/iommu.c

@@ -520,7 +520,6 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
 		dev->dev.archdata.dma_data = PCI_DN(pdn)->iommu_table;
 		return;
 	}
-	DBG("  found DMA window, table: %p\n", pci->iommu_table);
 
 	pci = PCI_DN(pdn);
 	if (!pci->iommu_table) {
@@ -534,6 +533,8 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
 
 		pci->iommu_table = iommu_init_table(tbl, pci->phb->node);
 		DBG("  created table: %p\n", pci->iommu_table);
+	} else {
+		DBG("  found DMA window, table: %p\n", pci->iommu_table);
 	}
 
 	dev->dev.archdata.dma_data = pci->iommu_table;