The patch titled
Subject: leds: heartbeat: stop on shutdown
has been added to the -mm tree. Its filename is
leds-heartbeat-stop-on-shutdown.patch
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------------------------------------------------------
From: Alexander Holler <holler@xxxxxxxxxxxxx>
Subject: leds: heartbeat: stop on shutdown
A halted kernel should not show a heartbeat.
Signed-off-by: Alexander Holler <holler@xxxxxxxxxxxxx>
Cc: Shuah Khan <shuahkhan@xxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/leds/ledtrig-heartbeat.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff -puN drivers/leds/ledtrig-heartbeat.c~leds-heartbeat-stop-on-shutdown drivers/leds/ledtrig-heartbeat.c
--- a/drivers/leds/ledtrig-heartbeat.c~leds-heartbeat-stop-on-shutdown
+++ a/drivers/leds/ledtrig-heartbeat.c
@@ -18,6 +18,7 @@
#include <linux/timer.h>
#include <linux/sched.h>
#include <linux/leds.h>
+#include <linux/reboot.h>
#include "leds.h"
struct heartbeat_trig_data {
@@ -103,13 +104,28 @@ static struct led_trigger heartbeat_led_
.deactivate = heartbeat_trig_deactivate,
};
+static int heartbeat_reboot_notifier(struct notifier_block *nb,
+ unsigned long code, void *unused)
+{
+ led_trigger_unregister(&heartbeat_led_trigger);
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block heartbeat_reboot_nb = {
+ .notifier_call = heartbeat_reboot_notifier,
+};
+
static int __init heartbeat_trig_init(void)
{
- return led_trigger_register(&heartbeat_led_trigger);
+ int rc = led_trigger_register(&heartbeat_led_trigger);
+ if( ! rc )
+ register_reboot_notifier(&heartbeat_reboot_nb);
+ return rc;
}
static void __exit heartbeat_trig_exit(void)
{
+ unregister_reboot_notifier(&heartbeat_reboot_nb);
led_trigger_unregister(&heartbeat_led_trigger);
}
_
Subject: Subject: leds: heartbeat: stop on shutdown
Patches currently in -mm which might be from holler@xxxxxxxxxxxxx are
leds-heartbeat-stop-on-shutdown.patch
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