powerpc/powernv/ioda1: Rename pnv_pci_ioda_setup_dma_pe()

This renames pnv_pci_ioda_setup_dma_pe() to pnv_pci_ioda1_setup_dma_pe()
as it's the counter-part of IODA2's pnv_pci_ioda2_setup_dma_pe().
No logical changes introduced.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/powernv/pci-ioda.c

@@ -2029,9 +2029,10 @@ static struct iommu_table_ops pnv_ioda2_iommu_ops = {
 	.free = pnv_ioda2_table_free,
 };
 
-static void pnv_pci_ioda_setup_dma_pe(struct pnv_phb *phb,
-				      struct pnv_ioda_pe *pe, unsigned int base,
-				      unsigned int segs)
+static void pnv_pci_ioda1_setup_dma_pe(struct pnv_phb *phb,
+				       struct pnv_ioda_pe *pe,
+				       unsigned int base,
+				       unsigned int segs)
 {
 
 	struct page *tce_mem = NULL;
@@ -2619,7 +2620,7 @@ static void pnv_ioda_setup_dma(struct pnv_phb *phb)
 		if (phb->type == PNV_PHB_IODA1) {
 			pe_info(pe, "DMA weight %d, assigned %d DMA32 segments\n",
 				pe->dma_weight, segs);
-			pnv_pci_ioda_setup_dma_pe(phb, pe, base, segs);
+			pnv_pci_ioda1_setup_dma_pe(phb, pe, base, segs);
 		} else if (phb->type == PNV_PHB_IODA2) {
 			pe_info(pe, "Assign DMA32 space\n");
 			segs = 0;