treewide: Convert uses of struct resource to resource_size(ptr)

Several fixes as well where the +1 was missing.

Done via coccinelle scripts like:

@@
struct resource *ptr;
@@

- ptr->end - ptr->start + 1
+ resource_size(ptr)

and some grep and typing.

Mostly uncompiled, no cross-compilers.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

34 files changed, 56 insertions, 58 deletions

diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 7ab82c825a03..27af7f8bbb8d 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -76,7 +76,7 @@ static inline unsigned long macio_resource_len(struct macio_dev *dev, int resour
         struct resource *res = &dev->resource[resource_no];
         if (res->start == 0 || res->end == 0 || res->end < res->start)
                 return 0;
-        return res->end - res->start + 1;
+        return resource_size(res);
 }
 
 extern int macio_enable_devres(struct macio_dev *dev);
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 7ee50f0547cb..6658a1589955 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -126,7 +126,7 @@ void __init reserve_crashkernel(void)
         /* We might have got these values via the command line or the
          * device tree, either way sanitise them now. */
 
-        crash_size = crashk_res.end - crashk_res.start + 1;
+        crash_size = resource_size(&crashk_res);
 
 #ifndef CONFIG_RELOCATABLE
         if (crashk_res.start != KDUMP_KERNELBASE)
@@ -222,7 +222,7 @@ static void __init export_crashk_values(struct device_node *node)
 
         if (crashk_res.start != 0) {
                 prom_add_property(node, &crashk_base_prop);
-                crashk_size = crashk_res.end - crashk_res.start + 1;
+                crashk_size = resource_size(&crashk_res);
                 prom_add_property(node, &crashk_size_prop);
         }
 }
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 893af2a9cd03..3764e37205fb 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -107,7 +107,7 @@ static resource_size_t pcibios_io_size(const struct pci_controller *hose)
 #ifdef CONFIG_PPC64
         return hose->pci_io_size;
 #else
-        return hose->io_resource.end - hose->io_resource.start + 1;
+        return resource_size(&hose->io_resource);
 #endif
 }
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index da110bd88346..5f5e69309080 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -264,7 +264,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
                          (unsigned long long)res->flags);
                 out_be32(&pci_regs->iw0btar,
                          MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start,
-                                  res->end - res->start + 1));
+                                                        resource_size(res)));
                 iwcr0 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM;
                 if (res->flags & IORESOURCE_PREFETCH)
                         iwcr0 |= MPC52xx_PCI_IWCR_READ_MULTI;
@@ -278,7 +278,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
                          res->start, res->end, res->flags);
                 out_be32(&pci_regs->iw1btar,
                          MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start,
-                                  res->end - res->start + 1));
+                                                        resource_size(res)));
                 iwcr1 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM;
                 if (res->flags & IORESOURCE_PREFETCH)
                         iwcr1 |= MPC52xx_PCI_IWCR_READ_MULTI;
@@ -300,7 +300,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
         out_be32(&pci_regs->iw2btar,
                  MPC52xx_PCI_IWBTAR_TRANSLATION(hose->io_base_phys,
                                                 res->start,
-                                                res->end - res->start + 1));
+                                                resource_size(res)));
         iwcr2 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_IO;
 
         /* Set all the IWCR fields at once; they're in the same reg */
@@ -402,7 +402,7 @@ mpc52xx_add_bridge(struct device_node *node)
 
         hose->ops = &mpc52xx_pci_ops;
 
-        pci_regs = ioremap(rsrc.start, rsrc.end - rsrc.start + 1);
+        pci_regs = ioremap(rsrc.start, resource_size(&rsrc));
         if (!pci_regs)
                 return -ENOMEM;
 
diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index a2b9b9ef1240..f8fa2fc3129f 100644
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -101,7 +101,7 @@ static void __init mpc83xx_km_setup_arch(void)
                                         __func__);
                                 return;
                         }
-                        base = ioremap(res.start, res.end - res.start + 1);
+                        base = ioremap(res.start, resource_size(&res));
 
                         /*
                          * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2)
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index ec0b401bc9cf..93e60f1f21a9 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -68,7 +68,7 @@ static void __init mpc832x_sys_setup_arch(void)
                 struct resource res;
 
                 of_address_to_resource(np, 0, &res);
-                bcsr_regs = ioremap(res.start, res.end - res.start +1);
+                bcsr_regs = ioremap(res.start, resource_size(&res));
                 of_node_put(np);
         }
 
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index d0a634b056ca..c1b1dc50b32a 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -53,7 +53,7 @@ static int mpc834xemds_usb_cfg(void)
                 struct resource res;
 
                 of_address_to_resource(np, 0, &res);
-                bcsr_regs = ioremap(res.start, res.end - res.start + 1);
+                bcsr_regs = ioremap(res.start, resource_size(&res));
                 of_node_put(np);
         }
         if (!bcsr_regs)
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index 09e9d6fb7411..81c052b1353e 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -76,7 +76,7 @@ static void __init mpc836x_mds_setup_arch(void)
                 struct resource res;
 
                 of_address_to_resource(np, 0, &res);
-                bcsr_regs = ioremap(res.start, res.end - res.start +1);
+                bcsr_regs = ioremap(res.start, resource_size(&res));
                 of_node_put(np);
         }
 
diff --git a/arch/powerpc/platforms/83xx/usb.c b/arch/powerpc/platforms/83xx/usb.c
index 2c64164722d0..1ad748bb39b4 100644
--- a/arch/powerpc/platforms/83xx/usb.c
+++ b/arch/powerpc/platforms/83xx/usb.c
@@ -171,7 +171,7 @@ int mpc831x_usb_cfg(void)
                 of_node_put(np);
                 return ret;
         }
-        usb_regs = ioremap(res.start, res.end - res.start + 1);
+        usb_regs = ioremap(res.start, resource_size(&res));
 
         /* Using on-chip PHY */
         if (prop && (!strcmp(prop, "utmi_wide") ||
diff --git a/arch/powerpc/platforms/85xx/sbc8560.c b/arch/powerpc/platforms/85xx/sbc8560.c
index d2dfd465fbf6..09ced7221750 100644
--- a/arch/powerpc/platforms/85xx/sbc8560.c
+++ b/arch/powerpc/platforms/85xx/sbc8560.c
@@ -285,7 +285,7 @@ static int __init sbc8560_bdrstcr_init(void)
 
         printk(KERN_INFO "sbc8560: Found BRSTCR at i/o 0x%x\n", res.start);
 
-        brstcr = ioremap(res.start, res.end - res.start);
+        brstcr = ioremap(res.start, resource_size(&res));
         if(!brstcr)
                 printk(KERN_WARNING "sbc8560: ioremap of brstcr failed.\n");
 
diff --git a/arch/powerpc/platforms/85xx/xes_mpc85xx.c b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
index 0125604d096e..a9dc5e795123 100644
--- a/arch/powerpc/platforms/85xx/xes_mpc85xx.c
+++ b/arch/powerpc/platforms/85xx/xes_mpc85xx.c
@@ -123,7 +123,7 @@ static void xes_mpc85xx_fixups(void)
                         continue;
                 }
 
-                l2_base = ioremap(r[0].start, r[0].end - r[0].start + 1);
+                l2_base = ioremap(r[0].start, resource_size(&r[0]));
 
                 xes_mpc85xx_configure_l2(l2_base);
         }
diff --git a/arch/powerpc/platforms/cell/celleb_scc_epci.c b/arch/powerpc/platforms/cell/celleb_scc_epci.c
index 05b0db3ef638..844c0facb4f7 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_epci.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_epci.c
@@ -393,19 +393,19 @@ static int __init celleb_setup_epci(struct device_node *node,
 
         if (of_address_to_resource(node, 0, &r))
                 goto error;
-        hose->cfg_addr = ioremap(r.start, (r.end - r.start + 1));
+        hose->cfg_addr = ioremap(r.start, resource_size(&r));
         if (!hose->cfg_addr)
                 goto error;
         pr_debug("EPCI: cfg_addr map 0x%016llx->0x%016lx + 0x%016llx\n",
-                 r.start, (unsigned long)hose->cfg_addr, (r.end - r.start + 1));
+                 r.start, (unsigned long)hose->cfg_addr, resource_size(&r));
 
         if (of_address_to_resource(node, 2, &r))
                 goto error;
-        hose->cfg_data = ioremap(r.start, (r.end - r.start + 1));
+        hose->cfg_data = ioremap(r.start, resource_size(&r));
         if (!hose->cfg_data)
                 goto error;
         pr_debug("EPCI: cfg_data map 0x%016llx->0x%016lx + 0x%016llx\n",
-                 r.start, (unsigned long)hose->cfg_data, (r.end - r.start + 1));
+                 r.start, (unsigned long)hose->cfg_data, resource_size(&r));
 
         hose->ops = &celleb_epci_ops;
         celleb_epci_init(hose);
diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
index a881bbee8de0..ae790ac4a589 100644
--- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c
+++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c
@@ -494,7 +494,7 @@ static __init int celleb_setup_pciex(struct device_node *node,
                 pr_err("PCIEXC:Failed to get config resource.\n");
                 return 1;
         }
-        phb->cfg_addr = ioremap(r.start, r.end - r.start + 1);
+        phb->cfg_addr = ioremap(r.start, resource_size(&r));
         if (!phb->cfg_addr) {
                 pr_err("PCIEXC:Failed to remap SMMIO region.\n");
                 return 1;
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c
index f465d474ad9b..4e5c91489c02 100644
--- a/arch/powerpc/platforms/cell/spu_manage.c
+++ b/arch/powerpc/platforms/cell/spu_manage.c
@@ -222,7 +222,7 @@ static int spu_map_resource(struct spu *spu, int nr,
                 return ret;
         if (phys)
                 *phys = resource.start;
-        len = resource.end - resource.start + 1;
+        len = resource_size(&resource);
         *virt = ioremap(resource.start, len);
         if (!*virt)
                 return -EINVAL;
diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c
index 8f67a394b2d0..3f65443f1714 100644
--- a/arch/powerpc/platforms/chrp/pci.c
+++ b/arch/powerpc/platforms/chrp/pci.c
@@ -142,7 +142,7 @@ hydra_init(void)
                 return 0;
         }
         of_node_put(np);
-        Hydra = ioremap(r.start, r.end-r.start);
+        Hydra = ioremap(r.start, resource_size(&r));
         printk("Hydra Mac I/O at %llx\n", (unsigned long long)r.start);
         printk("Hydra Feature_Control was %x",
                in_le32(&Hydra->Feature_Control));
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index 321a9b3a2d00..756123bf06ac 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -576,7 +576,7 @@ int pasemi_dma_init(void)
                 res.start = 0xfd800000;
                 res.end = res.start + 0x1000;
         }
-        dma_status = __ioremap(res.start, res.end-res.start, 0);
+        dma_status = __ioremap(res.start, resource_size(&res), 0);
         pci_dev_put(iob_pdev);
 
         for (i = 0; i < MAX_TXCH; i++)
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index b1cdcf94aa8e..695443bfdb08 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -580,10 +580,10 @@ int __init pmac_nvram_init(void)
         /* Try to obtain an address */
         if (of_address_to_resource(dp, 0, &r1) == 0) {
                 nvram_naddrs = 1;
-                s1 = (r1.end - r1.start) + 1;
+                s1 = resource_size(&r1);
                 if (of_address_to_resource(dp, 1, &r2) == 0) {
                         nvram_naddrs = 2;
-                        s2 = (r2.end - r2.start) + 1;
+                        s2 = resource_size(&r2);
                 }
         }
 
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index f33e08d573ce..4d4eba324837 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -838,8 +838,7 @@ static void __init setup_u3_ht(struct pci_controller* hose)
          * into cfg_addr
          */
         hose->cfg_data = ioremap(cfg_res.start, 0x02000000);
-        hose->cfg_addr = ioremap(self_res.start,
-                                 self_res.end - self_res.start + 1);
+        hose->cfg_addr = ioremap(self_res.start, resource_size(&self_res));
 
         /*
          * /ht node doesn't expose a "ranges" property, we read the register
@@ -1323,8 +1322,7 @@ static void fixup_u4_pcie(struct pci_dev* dev)
                  */
                 if (r->start >= 0xf0000000 && r->start < 0xf3000000)
                         continue;
-                if (!region || (r->end - r->start) >
-                    (region->end - region->start))
+                if (!region || resource_size(r) > resource_size(region))
                         region = r;
         }
         /* Nothing found, bail */
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 48211ca134c3..11c9fce43b5b 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -274,7 +274,7 @@ int __init via_calibrate_decr(void)
                 return 0;
         }
         of_node_put(vias);
-        via = ioremap(rsrc.start, rsrc.end - rsrc.start + 1);
+        via = ioremap(rsrc.start, resource_size(&rsrc));
         if (via == NULL) {
                 printk(KERN_ERR "Failed to map VIA for timer calibration !\n");
                 return 0;
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index bd0d54060b94..265f0f09395a 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -203,7 +203,7 @@ static int axon_ram_probe(struct platform_device *device)
                 goto failed;
         }
 
-        bank->size = resource.end - resource.start + 1;
+        bank->size = resource_size(&resource);
 
         if (bank->size == 0) {
                 dev_err(&device->dev, "No DDR2 memory found for %s%d\n",
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index 350787c83e22..5d7d59a43c4c 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -148,7 +148,7 @@ unsigned int cpm_pic_init(void)
         if (ret)
                 goto end;
 
-        cpic_reg = ioremap(res.start, res.end - res.start + 1);
+        cpic_reg = ioremap(res.start, resource_size(&res));
         if (cpic_reg == NULL)
                 goto end;
 
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 2b69aa0315b3..d55d0ad0deab 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -115,7 +115,7 @@ int cpm_muram_init(void)
                         max = r.end;
 
                 rh_attach_region(&cpm_muram_info, r.start - muram_pbase,
-                                 r.end - r.start + 1);
+                                 resource_size(&r));
         }
 
         muram_vbase = ioremap(muram_pbase, max - muram_pbase + 1);
diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 8e9e06a7ca59..4f2680f431b5 100644
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -239,7 +239,7 @@ static int __init dart_init(struct device_node *dart_node)
                                          DARTMAP_RPNMASK);
 
         /* Map in DART registers */
-        dart = ioremap(r.start, r.end - r.start + 1);
+        dart = ioremap(r.start, resource_size(&r));
         if (dart == NULL)
                 panic("DART: Cannot map registers!");
 
diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c
index 92e78333c47c..419a77239bd7 100644
--- a/arch/powerpc/sysdev/fsl_msi.c
+++ b/arch/powerpc/sysdev/fsl_msi.c
@@ -349,7 +349,7 @@ static int __devinit fsl_of_msi_probe(struct platform_device *dev)
                 goto error_out;
         }
 
-        msi->msi_regs = ioremap(res.start, res.end - res.start + 1);
+        msi->msi_regs = ioremap(res.start, resource_size(&res));
         if (!msi->msi_regs) {
                 dev_err(&dev->dev, "ioremap problem failed\n");
                 goto error_out;
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));
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 5b206a2fe17c..95853386a664 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1523,7 +1523,7 @@ int fsl_rio_setup(struct platform_device *dev)
         port->priv = priv;
         port->phys_efptr = 0x100;
 
-        priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
+        priv->regs_win = ioremap(regs.start, resource_size(&regs));
         rio_regs_win = priv->regs_win;
 
         /* Probe the master port phy type */
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 7367d17364cb..95da897f05a7 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -736,7 +736,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
                 return NULL;
         }
 
-        ipic->regs = ioremap(res.start, res.end - res.start + 1);
+        ipic->regs = ioremap(res.start, resource_size(&res));
 
         ipic->irqhost->host_data = ipic;
 
diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c
index ddc877a3a23a..69f5814ae6d4 100644
--- a/arch/powerpc/sysdev/mmio_nvram.c
+++ b/arch/powerpc/sysdev/mmio_nvram.c
@@ -129,7 +129,7 @@ int __init mmio_nvram_init(void)
                 goto out;
         }
         nvram_addr = r.start;
-        mmio_nvram_len = r.end - r.start + 1;
+        mmio_nvram_len = resource_size(&r);
         if ( (!mmio_nvram_len) || (!nvram_addr) ) {
                 printk(KERN_WARNING "nvram: address or length is 0\n");
                 ret = -EIO;
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
index 20924f2246f0..22e48e2d71f1 100644
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ b/arch/powerpc/sysdev/mpc8xx_pic.c
@@ -166,7 +166,7 @@ int mpc8xx_pic_init(void)
         if (ret)
                 goto out;
 
-        siu_reg = ioremap(res.start, res.end - res.start + 1);
+        siu_reg = ioremap(res.start, resource_size(&res));
         if (siu_reg == NULL) {
                 ret = -EINVAL;
                 goto out;
diff --git a/arch/powerpc/sysdev/mv64x60_udbg.c b/arch/powerpc/sysdev/mv64x60_udbg.c
index 2792dc8b038c..50a81387e9b1 100644
--- a/arch/powerpc/sysdev/mv64x60_udbg.c
+++ b/arch/powerpc/sysdev/mv64x60_udbg.c
@@ -125,11 +125,11 @@ static void mv64x60_udbg_init(void)
 
         of_node_put(np);
 
-        mpsc_base = ioremap(r[0].start, r[0].end - r[0].start + 1);
+        mpsc_base = ioremap(r[0].start, resource_size(&r[0]));
         if (!mpsc_base)
                 return;
 
-        mpsc_intr_cause = ioremap(r[1].start, r[1].end - r[1].start + 1);
+        mpsc_intr_cause = ioremap(r[1].start, resource_size(&r[1]));
         if (!mpsc_intr_cause) {
                 iounmap(mpsc_base);
                 return;
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 156aa7d36258..deda60a7f996 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -265,7 +265,7 @@ static void __init ppc4xx_configure_pci_PMMs(struct pci_controller *hose,
                 if (ppc4xx_setup_one_pci_PMM(hose, reg,
                                              res->start,
                                              res->start - hose->pci_mem_offset,
-                                             res->end + 1 - res->start,
+                                             resource_size(res),
                                              res->flags,
                                              j) == 0) {
                         j++;
@@ -290,7 +290,7 @@ static void __init ppc4xx_configure_pci_PTMs(struct pci_controller *hose,
                                              void __iomem *reg,
                                              const struct resource *res)
 {
-        resource_size_t size = res->end - res->start + 1;
+        resource_size_t size = resource_size(res);
         u32 sa;
 
         /* Calculate window size */
@@ -349,7 +349,7 @@ static void __init ppc4xx_probe_pci_bridge(struct device_node *np)
         bus_range = of_get_property(np, "bus-range", NULL);
 
         /* Map registers */
-        reg = ioremap(rsrc_reg.start, rsrc_reg.end + 1 - rsrc_reg.start);
+        reg = ioremap(rsrc_reg.start, resource_size(&rsrc_reg));
         if (reg == NULL) {
                 printk(KERN_ERR "%s: Can't map registers !", np->full_name);
                 goto fail;
@@ -465,7 +465,7 @@ static void __init ppc4xx_configure_pcix_POMs(struct pci_controller *hose,
                 if (ppc4xx_setup_one_pcix_POM(hose, reg,
                                               res->start,
                                               res->start - hose->pci_mem_offset,
-                                              res->end + 1 - res->start,
+                                              resource_size(res),
                                               res->flags,
                                               j) == 0) {
                         j++;
@@ -492,7 +492,7 @@ static void __init ppc4xx_configure_pcix_PIMs(struct pci_controller *hose,
                                               int big_pim,
                                               int enable_msi_hole)
 {
-        resource_size_t size = res->end - res->start + 1;
+        resource_size_t size = resource_size(res);
         u32 sa;
 
         /* RAM is always at 0 */
@@ -555,7 +555,7 @@ static void __init ppc4xx_probe_pcix_bridge(struct device_node *np)
         bus_range = of_get_property(np, "bus-range", NULL);
 
         /* Map registers */
-        reg = ioremap(rsrc_reg.start, rsrc_reg.end + 1 - rsrc_reg.start);
+        reg = ioremap(rsrc_reg.start, resource_size(&rsrc_reg));
         if (reg == NULL) {
                 printk(KERN_ERR "%s: Can't map registers !", np->full_name);
                 goto fail;
@@ -1604,7 +1604,7 @@ static void __init ppc4xx_configure_pciex_POMs(struct ppc4xx_pciex_port *port,
                 if (ppc4xx_setup_one_pciex_POM(port, hose, mbase,
                                                res->start,
                                                res->start - hose->pci_mem_offset,
-                                               res->end + 1 - res->start,
+                                               resource_size(res),
                                                res->flags,
                                                j) == 0) {
                         j++;
@@ -1639,7 +1639,7 @@ static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
                                                void __iomem *mbase,
                                                struct resource *res)
 {
-        resource_size_t size = res->end - res->start + 1;
+        resource_size_t size = resource_size(res);
         u64 sa;
 
         if (port->endpoint) {
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index b2acda07220d..18e75ca19fe6 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -347,7 +347,7 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags,
                 return;
         }
 
-        qe_ic->regs = ioremap(res.start, res.end - res.start + 1);
+        qe_ic->regs = ioremap(res.start, resource_size(&res));
 
         qe_ic->irqhost->host_data = qe_ic;
         qe_ic->hc_irq = qe_ic_irq_chip;
diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c
index 77e4934b88c5..fd1a6c3b1721 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_io.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_io.c
@@ -41,7 +41,7 @@ int par_io_init(struct device_node *np)
         ret = of_address_to_resource(np, 0, &res);
         if (ret)
                 return ret;
-        par_io = ioremap(res.start, res.end - res.start + 1);
+        par_io = ioremap(res.start, resource_size(&res));
 
         num_ports = of_get_property(np, "num-ports", NULL);
         if (num_ports)
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 1f15ad436140..039a7820ba7f 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -247,7 +247,7 @@ static int __init icp_native_init_one_node(struct device_node *np,
                         return -1;
                 }
 
-                if (icp_native_map_one_cpu(*indx, r.start, r.end - r.start))
+                if (icp_native_map_one_cpu(*indx, r.start, resource_size(&r)))
                         return -1;
 
                 (*indx)++;