[PATCH 09/52] m68k: kernel: Add and use "traps.h"

[Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>]

When building with W=1:

    arch/m68k/kernel/traps.c:754:17: warning: no previous prototype for ‘buserr_c’ [-Wmissing-prototypes]
      754 | asmlinkage void buserr_c(struct frame *fp)
	  |                 ^~~~~~~~
    arch/m68k/kernel/traps.c:1140:17: warning: no previous prototype for ‘set_esp0’ [-Wmissing-prototypes]
     1140 | asmlinkage void set_esp0(unsigned long ssp)
	  |                 ^~~~~~~~
    arch/m68k/kernel/traps.c:1155:17: warning: no previous prototype for ‘fpemu_signal’ [-Wmissing-prototypes]
     1155 | asmlinkage void fpemu_signal(int signal, int code, void *addr)
	  |                 ^~~~~~~~~~~~
    arch/m68k/kernel/traps.c:1149:17: warning: no previous prototype for ‘fpsp040_die’ [-Wmissing-prototypes]
     1149 | asmlinkage void fpsp040_die(void)
	  |                 ^~~~~~~~~~~

Fix this by introducing a new header file "traps.h" for holding the
prototypes of functions implemented in arch/m68k/kernel/traps.c.

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 arch/m68k/kernel/traps.c |  2 ++
 arch/m68k/kernel/traps.h | 10 ++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 arch/m68k/kernel/traps.h

diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index b3fee39f8f518c6e..d408334712f7118b 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -41,6 +41,8 @@
 #include <asm/siginfo.h>
 #include <asm/tlbflush.h>
 
+#include "traps.h"
+
 static const char *vec_names[] = {
 	[VEC_RESETSP]	= "RESET SP",
 	[VEC_RESETPC]	= "RESET PC",
diff --git a/arch/m68k/kernel/traps.h b/arch/m68k/kernel/traps.h
new file mode 100644
index 0000000000000000..6414b4a0e5585671
--- /dev/null
+++ b/arch/m68k/kernel/traps.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <linux/linkage.h>
+
+struct frame;
+
+asmlinkage void buserr_c(struct frame *fp);
+asmlinkage void fpemu_signal(int signal, int code, void *addr);
+asmlinkage void fpsp040_die(void);
+asmlinkage void set_esp0(unsigned long ssp);
-- 
2.34.1