1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index f6cccc9df022..3764af11065c 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -276,7 +276,7 @@ static int __devinit rc32434_wdt_probe(struct platform_device *pdev)
                 return -ENODEV;
         }
 
-        wdt_reg = ioremap_nocache(r->start, r->end - r->start);
+        wdt_reg = ioremap_nocache(r->start, resource_size(r));
         if (!wdt_reg) {
                 printk(KERN_ERR PFX "failed to remap I/O resources\n");
                 return -ENXIO;