[PATCH 17/23] powerpc/watchdog: Declare soft_nmi_interrupt() prototype

[Cédric Le Goater]

It fixes this W=1 compile error :

../arch/powerpc/kernel/watchdog.c:250:6: error: no previous prototype for ‘soft_nmi_interrupt’ [-Werror=missing-prototypes]
  250 | void soft_nmi_interrupt(struct pt_regs *regs)
      |      ^~~~~~~~~~~~~~~~~~

Cc: Nicholas Piggin <npiggin at gmail.com>
Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
 arch/powerpc/include/asm/asm-prototypes.h | 1 +
 arch/powerpc/kernel/watchdog.c            | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index d0b832cbbec8..0f39eefbd5a5 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -84,6 +84,7 @@ void machine_check_exception(struct pt_regs *regs);
 void emulation_assist_interrupt(struct pt_regs *regs);
 long do_slb_fault(struct pt_regs *regs, unsigned long ea);
 void do_bad_slb_fault(struct pt_regs *regs, unsigned long ea, long err);
+void soft_nmi_interrupt(struct pt_regs *regs);
 
 /* signals, syscalls and interrupts */
 long sys_swapcontext(struct ucontext __user *old_ctx,
diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index af3c15a1d41e..855716f563ac 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -27,6 +27,7 @@
 #include <linux/smp.h>
 
 #include <asm/paca.h>
+#include <asm/asm-prototypes.h>
 
 /*
  * The powerpc watchdog ensures that each CPU is able to service timers.
-- 
2.26.2