5 files changed, 14 insertions, 5 deletions
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
index c290c5c0cfb9..fa3c5f38d989 100644
--- a/arch/m68k/mm/fault.c
+++ b/arch/m68k/mm/fault.c
@@ -17,6 +17,8 @@
 #include <asm/setup.h>
 #include <asm/traps.h>
 
+#include "fault.h"
+
 extern void die_if_kernel(char *, struct pt_regs *, long);
 
 int send_fault_sig(struct pt_regs *regs)
diff --git a/arch/m68k/mm/fault.h b/arch/m68k/mm/fault.h
new file mode 100644
index 000000000000..dab14ef7d4a1
--- /dev/null
+++ b/arch/m68k/mm/fault.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+struct pt_regs;
+
+int do_page_fault(struct pt_regs *regs, unsigned long address,
+		  unsigned long error_code);
+int send_fault_sig(struct pt_regs *regs);
diff --git a/arch/m68k/mm/hwtest.c b/arch/m68k/mm/hwtest.c
index fe99aa99987e..8ee7a3368688 100644
--- a/arch/m68k/mm/hwtest.c
+++ b/arch/m68k/mm/hwtest.c
@@ -26,6 +26,8 @@
 
 #include <linux/module.h>
 
+#include <asm/hwtest.h>
+
 int hwreg_present(volatile void *regp)
 {
 	int ret = 0;
diff --git a/arch/m68k/mm/sun3kmap.c b/arch/m68k/mm/sun3kmap.c
index 4f2a7ef8348b..ac091892d82f 100644
--- a/arch/m68k/mm/sun3kmap.c
+++ b/arch/m68k/mm/sun3kmap.c
@@ -18,11 +18,9 @@
 #include <asm/io.h>
 #include <asm/sun3mmu.h>
 
-#undef SUN3_KMAP_DEBUG
+#include "../sun3/sun3.h"
 
-#ifdef SUN3_KMAP_DEBUG
-extern void print_pte_vaddr(unsigned long vaddr);
-#endif
+#undef SUN3_KMAP_DEBUG
 
 extern void mmu_emu_map_pmeg (int context, int vaddr);
 
diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c
index c5e6a23e0262..494739c1783e 100644
--- a/arch/m68k/mm/sun3mmu.c
+++ b/arch/m68k/mm/sun3mmu.c
@@ -24,7 +24,7 @@
 #include <asm/machdep.h>
 #include <asm/io.h>
 
-extern void mmu_emu_init (unsigned long bootmem_end);
+#include "../sun3/sun3.h"
 
 const char bad_pmd_string[] = "Bad pmd in pte_alloc: %08lx\n";