1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/qe_lib/qe_io.c b/arch/powerpc/sysdev/qe_lib/qe_io.c
index 77e4934b88c5..fd1a6c3b1721 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_io.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_io.c
@@ -41,7 +41,7 @@ int par_io_init(struct device_node *np)
         ret = of_address_to_resource(np, 0, &res);
         if (ret)
                 return ret;
-        par_io = ioremap(res.start, res.end - res.start + 1);
+        par_io = ioremap(res.start, resource_size(&res));
 
         num_ports = of_get_property(np, "num-ports", NULL);
         if (num_ports)