um: register power-off handler

Otherwise we always get reboot: Power off not available: System halted instead which is really quite pointless. Link: https://patch.msgid.link/20240703173839.fcbb538c6686.I3d333f4773cff93c4337c4d128ee0b1b501b3dfa@changeid Acked-By: Anton Ivanov <[email protected]> Signed-off-by: Johannes Berg <[email protected]>
beagleboard · Jul 4, 2024 · 86abcd6 · 86abcd6
1 parent 824ac4a
commit 86abcd6
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
@@ -59,3 +59,18 @@ void machine_halt(void)
 {
 	machine_power_off();
 }
+
+static int sys_power_off_handler(struct sys_off_data *data)
+{
+	machine_power_off();
+	return 0;
+}
+
+static int register_power_off(void)
+{
+	register_sys_off_handler(SYS_OFF_MODE_POWER_OFF,
+				 SYS_OFF_PRIO_DEFAULT,
+				 sys_power_off_handler, NULL);
+	return 0;
+}
+__initcall(register_power_off);