Guenter,

On Tue, Aug 19, 2014 at 5:45 PM, Guenter Roeck [off-list ref] wrote:

The kernel core now supports a restart handler call chain for system
restart functions.

With this change, the arm_pm_restart callback is now optional, so
drop its initialization and check if it is set before calling it.
Only call the kernel restart handler if arm_pm_restart is not set.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
---
v7: Dropped null_restart and made arm_pm_restart truly optional.
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/arm/kernel/process.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>