1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 4bc5a08a2b09..c59e5c5737d0 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -647,7 +647,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
         if (ret)
                 goto err_request_scr;
 
-        tc6393xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+        tc6393xb->scr = ioremap(rscr->start, resource_size(rscr));
         if (!tc6393xb->scr) {
                 ret = -ENOMEM;
                 goto err_ioremap;