1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index ad715bf49cac..71bc835324d8 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -177,7 +177,7 @@ static int __devinit tc6387xb_probe(struct platform_device *dev)
         if (ret)
                 goto err_resource;
 
-        tc6387xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+        tc6387xb->scr = ioremap(rscr->start, resource_size(rscr));
         if (!tc6387xb->scr) {
                 ret = -ENOMEM;
                 goto err_ioremap;