Index: kernel/test/debug/mips1.c
===================================================================
--- kernel/test/debug/mips1.c	(revision cb01e1ee9f069d7d14148e3efc3cb37d1011b8de)
+++ kernel/test/debug/mips1.c	(revision 43ed4f38a0cf18946923884fb3b0e0f3ecb8e38f)
@@ -37,5 +37,5 @@
 #include <arch.h>
 
-char *test_mips1(void)
+const char *test_mips1(void)
 {
 	TPRINTF("If kconsole is compiled in, you should enter debug mode now.\n");
Index: kernel/test/debug/mips1_skip.c
===================================================================
--- kernel/test/debug/mips1_skip.c	(revision cb01e1ee9f069d7d14148e3efc3cb37d1011b8de)
+++ kernel/test/debug/mips1_skip.c	(revision 43ed4f38a0cf18946923884fb3b0e0f3ecb8e38f)
@@ -29,5 +29,5 @@
 #include <test.h>
 
-char *test_mips1(void)
+const char *test_mips1(void)
 {
 	return NULL;