4 files changed, 5 insertions, 7 deletions

diff --git a/arch/arm/mach-ux500/mbox-db5500.c b/arch/arm/mach-ux500/mbox-db5500.c
index a4ffb9f4f461..2b2d51caf9d8 100644
--- a/arch/arm/mach-ux500/mbox-db5500.c
+++ b/arch/arm/mach-ux500/mbox-db5500.c
@@ -416,8 +416,7 @@ struct mbox *mbox_setup(u8 mbox_id, mbox_recv_cb_t *mbox_cb, void *priv)
         dev_dbg(&(mbox->pdev->dev),
                 "Resource name: %s start: 0x%X, end: 0x%X\n",
                 resource->name, resource->start, resource->end);
-        mbox->virtbase_peer =
-                ioremap(resource->start, resource->end - resource->start);
+        mbox->virtbase_peer = ioremap(resource->start, resource_size(resource));
         if (!mbox->virtbase_peer) {
                 dev_err(&(mbox->pdev->dev), "Unable to ioremap peer mbox\n");
                 mbox = NULL;
@@ -440,8 +439,7 @@ struct mbox *mbox_setup(u8 mbox_id, mbox_recv_cb_t *mbox_cb, void *priv)
         dev_dbg(&(mbox->pdev->dev),
                 "Resource name: %s start: 0x%X, end: 0x%X\n",
                 resource->name, resource->start, resource->end);
-        mbox->virtbase_local =
-                ioremap(resource->start, resource->end - resource->start);
+        mbox->virtbase_local = ioremap(resource->start, resource_size(resource));
         if (!mbox->virtbase_local) {
                 dev_err(&(mbox->pdev->dev), "Unable to ioremap local mbox\n");
                 mbox = NULL;
diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c
index 37de05d595e7..6c47dfeb7be3 100644
--- a/arch/mips/rb532/gpio.c
+++ b/arch/mips/rb532/gpio.c
@@ -185,7 +185,7 @@ int __init rb532_gpio_init(void)
         struct resource *r;
 
         r = rb532_gpio_reg0_res;
-        rb532_gpio_chip->regbase = ioremap_nocache(r->start, r->end - r->start);
+        rb532_gpio_chip->regbase = ioremap_nocache(r->start, resource_size(r));
 
         if (!rb532_gpio_chip->regbase) {
                 printk(KERN_ERR "rb532: cannot remap GPIO register 0\n");
diff --git a/drivers/video/msm/mddi.c b/drivers/video/msm/mddi.c
index b66d86ac7cea..178b0720bd79 100644
--- a/drivers/video/msm/mddi.c
+++ b/drivers/video/msm/mddi.c
@@ -679,7 +679,7 @@ static int __devinit mddi_probe(struct platform_device *pdev)
                 printk(KERN_ERR "mddi: no associated mem resource!\n");
                 return -ENOMEM;
         }
-        mddi->base = ioremap(resource->start, resource->end - resource->start);
+        mddi->base = ioremap(resource->start, resource_size(resource));
         if (!mddi->base) {
                 printk(KERN_ERR "mddi: failed to remap base!\n");
                 ret = -EINVAL;
diff --git a/drivers/watchdog/bcm63xx_wdt.c b/drivers/watchdog/bcm63xx_wdt.c
index 3c5045a206dd..5064e8317521 100644
--- a/drivers/watchdog/bcm63xx_wdt.c
+++ b/drivers/watchdog/bcm63xx_wdt.c
@@ -248,7 +248,7 @@ static int __devinit bcm63xx_wdt_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        bcm63xx_wdt_device.regs = ioremap_nocache(r->start, r->end - r->start);
+        bcm63xx_wdt_device.regs = ioremap_nocache(r->start, resource_size(r));
         if (!bcm63xx_wdt_device.regs) {
                 dev_err(&pdev->dev, "failed to remap I/O resources\n");
                 return -ENXIO;