1 files changed, 1 insertions, 1 deletions

diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index ac35222ad0dd..6e5addeb236b 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -971,7 +971,7 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
         chip->card = card;
         chip->pclk = pclk;
         chip->pdev = pdev;
-        chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
+        chip->regs = ioremap(regs->start, resource_size(regs));
 
         if (!chip->regs) {
                 dev_dbg(&pdev->dev, "could not remap register memory\n");