1 files changed, 1 insertions, 1 deletions

diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index fbc2aeaebddb..cfb298d66305 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -204,7 +204,7 @@ static int __init eic_probe(struct platform_device *pdev)
         }
 
         eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
-        eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+        eic->regs = ioremap(regs->start, resource_size(regs));
         if (!eic->regs) {
                 dev_dbg(&pdev->dev, "failed to map regs\n");
                 goto err_ioremap;