1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index 1f15ad436140..039a7820ba7f 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -247,7 +247,7 @@ static int __init icp_native_init_one_node(struct device_node *np,
                         return -1;
                 }
 
-                if (icp_native_map_one_cpu(*indx, r.start, r.end - r.start))
+                if (icp_native_map_one_cpu(*indx, r.start, resource_size(&r)))
                         return -1;
 
                 (*indx)++;