[RFC PATCH 13/16] x86: support poweroff through poweroff handler call chain
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- To: linux-kernel@xxxxxxxxxxxxxxx
- Subject: [RFC PATCH 13/16] x86: support poweroff through poweroff handler call chain
- From: Guenter Roeck <linux@xxxxxxxxxxxx>
- Date: Tue, 30 Sep 2014 11:00:53 -0700
- Cc: linux-pm@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-c6x-dev@xxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-metag@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, linux-parisc@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Guenter Roeck <linux@xxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>
- In-reply-to: <1412100056-15517-1-git-send-email-linux@roeck-us.net>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1412100056-15517-1-git-send-email-linux@roeck-us.net>
The kernel core now supports a poweroff handler call chain
to remove power from the system. Call it if pm_power_off
is set to NULL.
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
arch/x86/kernel/reboot.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 17962e6..c5514aa 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -651,6 +651,10 @@ static void native_machine_power_off(void)
if (!reboot_force)
machine_shutdown();
pm_power_off();
+ } else {
+ if (!reboot_force)
+ machine_shutdown();
+ do_kernel_poweroff();
}
/* A fallback in case there is no PM info available */
tboot_shutdown(TB_SHUTDOWN_HALT);
--
1.9.1
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