1 files changed, 6 insertions, 6 deletions

diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 68ca9290df94..ba5cb3fa7074 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -64,7 +64,7 @@ static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
 {
         resource_size_t pci_addr = res->start - offset;
         resource_size_t phys_addr = res->start;
-        resource_size_t size = res->end - res->start + 1;
+        resource_size_t size = resource_size(res);
         u32 flags = 0x80044000; /* enable & mem R/W */
         unsigned int i;
 
@@ -108,7 +108,7 @@ static void __init setup_pci_atmu(struct pci_controller *hose,
         char *name = hose->dn->full_name;
 
         pr_debug("PCI memory map start 0x%016llx, size 0x%016llx\n",
-                    (u64)rsrc->start, (u64)rsrc->end - (u64)rsrc->start + 1);
+                 (u64)rsrc->start, (u64)resource_size(rsrc));
 
         if (of_device_is_compatible(hose->dn, "fsl,qoriq-pcie-v2.2")) {
                 win_idx = 2;
@@ -116,7 +116,7 @@ static void __init setup_pci_atmu(struct pci_controller *hose,
                 end_idx = 3;
         }
 
-        pci = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);
+        pci = ioremap(rsrc->start, resource_size(rsrc));
         if (!pci) {
             dev_err(hose->parent, "Unable to map ATMU registers\n");
             return;
@@ -153,9 +153,9 @@ static void __init setup_pci_atmu(struct pci_controller *hose,
                 } else {
                         pr_debug("PCI IO resource start 0x%016llx, size 0x%016llx, "
                                  "phy base 0x%016llx.\n",
-                                (u64)hose->io_resource.start,
-                                (u64)hose->io_resource.end - (u64)hose->io_resource.start + 1,
-                                (u64)hose->io_base_phys);
+                                 (u64)hose->io_resource.start,
+                                 (u64)resource_size(&hose->io_resource),
+                                 (u64)hose->io_base_phys);
                         out_be32(&pci->pow[j].potar, (hose->io_resource.start >> 12));
                         out_be32(&pci->pow[j].potear, 0);
                         out_be32(&pci->pow[j].powbar, (hose->io_base_phys >> 12));