diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 49c460370285900cf7abe9b788b5e346049b9753..19686c5bc5ed03686ef2a2791b7e360fdd68484d 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -14,6 +14,7 @@
 
 #include <asm/bootinfo.h>
 #include <asm/time.h>
+#include <asm/prom.h>
 
 #include <lantiq.h>
 
diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c
index b5059dc899f44d2616a4c72c873fe82819474c09..928ba84c8a78590ff9839cf8be195532deb8f237 100644
--- a/arch/mips/mti-sead3/sead3-setup.c
+++ b/arch/mips/mti-sead3/sead3-setup.c
@@ -10,6 +10,8 @@
 #include <linux/of_fdt.h>
 #include <linux/bootmem.h>
 
+#include <asm/prom.h>
+
 #include <asm/mips-boards/generic.h>
 
 const char *get_system_type(void)
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index ce38d11f9da5bdb3baaec1821dec2a6a25ae4836..58c4fd52202e7626df5dc1be7f7e06b249459113 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -21,6 +21,7 @@
 #include <asm/reboot.h>
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
+#include <asm/prom.h>
 
 #include "common.h"