1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index 2f7c930872f9..eb1fbac63eb6 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -713,7 +713,7 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op)
         }
 
         regs_paddr = res.start;
-        regs_size = res.end - res.start + 1;
+        regs_size = resource_size(&res);
 
         if (!devm_request_mem_region(dev, regs_paddr, regs_size, DRV_NAME)) {
                 dev_err(dev, "Error requesting memory region!\n");