1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
index 0f3fb4f03bdf..28f5aaa19d4a 100644
--- a/drivers/misc/atmel_pwm.c
+++ b/drivers/misc/atmel_pwm.c
@@ -329,7 +329,7 @@ static int __init pwm_probe(struct platform_device *pdev)
         p->pdev = pdev;
         p->mask = *mp;
         p->irq = irq;
-        p->base = ioremap(r->start, r->end - r->start + 1);
+        p->base = ioremap(r->start, resource_size(r));
         if (!p->base)
                 goto fail;
         p->clk = clk_get(&pdev->dev, "pwm_clk");