diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index c947aa4..1ed15d7 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -33,7 +33,7 @@
  * which might have be mirrored at 0x0100-0x03ff..
  */
 resource_size_t
-pcibios_align_resource(void *data, struct resource *res,
+pcibios_align_resource(void *data, const struct resource *res,
 		       resource_size_t size, resource_size_t align)
 {
 	resource_size_t start = res->start;