1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/sysdev/mv64x60_udbg.c b/arch/powerpc/sysdev/mv64x60_udbg.c
index 2792dc8b038c..50a81387e9b1 100644
--- a/arch/powerpc/sysdev/mv64x60_udbg.c
+++ b/arch/powerpc/sysdev/mv64x60_udbg.c
@@ -125,11 +125,11 @@ static void mv64x60_udbg_init(void)
 
         of_node_put(np);
 
-        mpsc_base = ioremap(r[0].start, r[0].end - r[0].start + 1);
+        mpsc_base = ioremap(r[0].start, resource_size(&r[0]));
         if (!mpsc_base)
                 return;
 
-        mpsc_intr_cause = ioremap(r[1].start, r[1].end - r[1].start + 1);
+        mpsc_intr_cause = ioremap(r[1].start, resource_size(&r[1]));
         if (!mpsc_intr_cause) {
                 iounmap(mpsc_base);
                 return;