From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@roeck-us.net (Guenter Roeck) Date: Mon, 30 Jun 2014 12:11:36 -0700 Subject: [RFC PATCH 3/6] arm: Support restart through restart notifier call chain In-Reply-To: <1404155499-21177-1-git-send-email-linux@roeck-us.net> References: <1404155499-21177-1-git-send-email-linux@roeck-us.net> Message-ID: <1404155499-21177-4-git-send-email-linux@roeck-us.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org The kernel core now supports a notifier call chain for system restart functions. With this change, the arm_pm_restart callback is now optional, so check if it is set before calling it. Signed-off-by: Guenter Roeck --- arch/arm/kernel/process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 81ef686..93765f2 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -230,7 +231,10 @@ void machine_restart(char *cmd) local_irq_disable(); smp_send_stop(); - arm_pm_restart(reboot_mode, cmd); + if (arm_pm_restart) + arm_pm_restart(reboot_mode, cmd); + + blocking_notifier_call_chain(&restart_notifier_list, reboot_mode, cmd); /* Give a grace period for failure to restart of 1s */ mdelay(1000); -- 1.9.1