diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c b/arch/powerpc/sysdev/rtc_cmos_setup.c
index 0c9ac7e..c09ddc0 100644
--- a/arch/powerpc/sysdev/rtc_cmos_setup.c
+++ b/arch/powerpc/sysdev/rtc_cmos_setup.c
@@ -56,3 +56,5 @@
 	return 0;
 }
 fs_initcall(add_rtc);
+
+MODULE_LICENSE("GPL");