1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 9ec280738a9a..8c569e454dc5 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -380,7 +380,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
                 return -ENXIO;
 
         /* map physical address */
-        bcm_umi_io_base = ioremap(r->start, r->end - r->start + 1);
+        bcm_umi_io_base = ioremap(r->start, resource_size(r));
 
         if (!bcm_umi_io_base) {
                 printk(KERN_ERR "ioremap to access BCM UMI NAND chip failed\n");