Include reboot.h in machine_kexec.c for declaration of
machine_crash_shutdown and machine_shutdown.

gcc-12 with W=1 reports:

 arch/m68k/kernel/machine_kexec.c:26:6: warning: no previous prototype for 'machine_shutdown' [-Wmissing-prototypes]
    26 | void machine_shutdown(void)
       |      ^~~~~~~~~~~~~~~~
 arch/m68k/kernel/machine_kexec.c:30:6: warning: no previous prototype for 'machine_crash_shutdown' [-Wmissing-prototypes]
    30 | void machine_crash_shutdown(struct pt_regs *regs)
       |      ^~~~~~~~~~~~~~~~~~~~~~

No functional changes intended.
Compile tested only.

Signed-off-by: Simon Horman <horms@kernel.org>
---
 arch/m68k/kernel/machine_kexec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/m68k/kernel/machine_kexec.c b/arch/m68k/kernel/machine_kexec.c
index 206f84983120..739875540e89 100644
--- a/arch/m68k/kernel/machine_kexec.c
+++ b/arch/m68k/kernel/machine_kexec.c
@@ -6,6 +6,7 @@
 #include <linux/kexec.h>
 #include <linux/mm.h>
 #include <linux/delay.h>
+#include <linux/reboot.h>
 
 #include <asm/cacheflush.h>
 #include <asm/page.h>

On Fri, Apr 21, 2023 at 9:11 AM Simon Horman <horms@kernel.org> wrote:
> Include reboot.h in machine_kexec.c for declaration of
> machine_crash_shutdown and machine_shutdown.
>
> gcc-12 with W=1 reports:
>
>  arch/m68k/kernel/machine_kexec.c:26:6: warning: no previous prototype for 'machine_shutdown' [-Wmissing-prototypes]
>     26 | void machine_shutdown(void)
>        |      ^~~~~~~~~~~~~~~~
>  arch/m68k/kernel/machine_kexec.c:30:6: warning: no previous prototype for 'machine_crash_shutdown' [-Wmissing-prototypes]
>     30 | void machine_crash_shutdown(struct pt_regs *regs)
>        |      ^~~~~~~~~~~~~~~~~~~~~~
>
> No functional changes intended.
> Compile tested only.
>
> Signed-off-by: Simon Horman <horms@kernel.org>

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
i.e. will queue in the m68k for-v6.4 branch.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds