1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index d0a634b056ca..c1b1dc50b32a 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -53,7 +53,7 @@ static int mpc834xemds_usb_cfg(void)
                 struct resource res;
 
                 of_address_to_resource(np, 0, &res);
-                bcsr_regs = ioremap(res.start, res.end - res.start + 1);
+                bcsr_regs = ioremap(res.start, resource_size(&res));
                 of_node_put(np);
         }
         if (!bcsr_regs)