Subject: [PATCH] powerpc/8xx: add system_reset_exception

From: Christophe Leroy <[email-masked]>
Date: Mon, 5 Sep 2016 08:42:31 +0200 (CEST)

When the watchdog is in NMI mode, the system reset interrupt is
generated when the watchdog counter expires.

Signed-off-by: Christophe Leroy <[email-masked]>
---
 arch/powerpc/kernel/head_8xx.S | 2 +-
 arch/powerpc/kernel/traps.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 43ddaae..f7b8007 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -227,7 +227,7 @@ i##n:								\
 			  ret_from_except)
 
 /* System reset */
-	EXCEPTION(0x100, Reset, unknown_exception, EXC_XFER_STD)
+	EXCEPTION(0x100, Reset, system_reset_exception, EXC_XFER_STD)
 
 /* Machine check */
 	. = 0x200
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 2cb5892..f8fa11b 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -269,7 +269,6 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
 	force_sig_info(signr, &info, current);
 }
 
-#ifdef CONFIG_PPC64
 void system_reset_exception(struct pt_regs *regs)
 {
 	/* See if any machine dependent calls */
@@ -287,6 +286,7 @@ void system_reset_exception(struct pt_regs *regs)
 	/* What should we do here? We could issue a shutdown or hard reset. */
 }
 
+#ifdef CONFIG_PPC64
 /*
  * This function is called in real mode. Strictly no printk's please.
  *
-- 
2.1.0