1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index c035ad3426d0..ef57b38a56a4 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -300,7 +300,7 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
                 dev_err(&pdev->dev, "invalid mem resource\n");
                 return -ENODEV;
         }
-        mbox_base = ioremap(res->start, res->end - res->start);
+        mbox_base = ioremap(res->start, resource_size(res));
         if (!mbox_base)
                 return -ENOMEM;