drivers/dma/ppc4xx: Use printf extension %pR for struct resource

Using %pR standardizes the struct resource output.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>

drivers/dma/ppc4xx/adma.c

@@ -4449,9 +4449,8 @@ static int __devinit ppc440spe_adma_probe(struct platform_device *ofdev,
 
 	if (!request_mem_region(res.start, resource_size(&res),
 				dev_driver_string(&ofdev->dev))) {
-		dev_err(&ofdev->dev, "failed to request memory region "
-			"(0x%016llx-0x%016llx)\n",
-			(u64)res.start, (u64)res.end);
+		dev_err(&ofdev->dev, "failed to request memory region %pR\n",
+			&res);
 		initcode = PPC_ADMA_INIT_MEMREG;
 		ret = -EBUSY;
 		goto out;