[PATCH v7 03/11] arm64: Support restart through restart handler call chain

From: Guenter Roeck
Date: Tue Aug 19 2014 - 20:48:47 EST


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

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Acked-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
v7: No change.
v6: No change.
v5: Renamed restart function to do_kernel_restart
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 1309d64..0d3fb9f 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -180,6 +180,8 @@ void machine_restart(char *cmd)
/* Now call the architecture specific reboot code. */
if (arm_pm_restart)
arm_pm_restart(reboot_mode, cmd);
+ else
+ do_kernel_restart(cmd);

/*
* Whoops - the architecture was unable to reboot.
--
1.9.1

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