[PATCH v4 2/7] arm64: Support restart through restart notifier call chain

[Guenter Roeck]

The kernel core now supports a notifier call chain to restart
the system. Call it if arm_pm_restart is not set.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v4: No change.
v3: Use wrapper function to execute notifier call chain.
v2: Only call notifier call chain if arm_pm_restart is not set.
    Do not include linux/watchdog.h.

 arch/arm64/kernel/process.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 43b7c34..b2da6d5 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -174,6 +174,8 @@ void machine_restart(char *cmd)
 	/* Now call the architecture specific reboot code. */
 	if (arm_pm_restart)
 		arm_pm_restart(reboot_mode, cmd);
+	else
+		kernel_restart_notify(cmd);
 
 	/*
 	 * Whoops - the architecture was unable to reboot.
-- 
1.9.1

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