1 files changed, 1 insertions, 1 deletions

diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index f7672d3e86b8..f66245e6e63e 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -245,7 +245,7 @@ static int hsmc_probe(struct platform_device *pdev)
 
         hsmc->pclk = pclk;
         hsmc->mck = mck;
-        hsmc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+        hsmc->regs = ioremap(regs->start, resource_size(regs));
         if (!hsmc->regs)
                 goto out_disable_clocks;