1 files changed, 1 insertions, 1 deletions

diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index f31218e17d3..5f3a69cebad 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -215,7 +215,7 @@ static int __init rc32434_pci_init(void)
         rc32434_pcibridge_init();
 
         io_map_base = ioremap(rc32434_res_pci_io1.start,
-                rc32434_res_pci_io1.end - rc32434_res_pci_io1.start + 1);
+                              resource_size(&rc32434_res_pci_io1));
 
         if (!io_map_base)
                 return -ENOMEM;