mxc nand: use resource_size()

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 1ffb854f989e..8fcb33da8efc 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -865,7 +865,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
                 goto eres;
         }
 
-        host->regs = ioremap(res->start, res->end - res->start + 1);
+        host->regs = ioremap(res->start, resource_size(res));
         if (!host->regs) {
                 err = -ENOMEM;
                 goto eres;