[PATCH 3/4] leds:trigger:ledtrig-activity Replace "panic_detected" with is_be_panic()

[Xiaoming Ni]

Replace the global variable "panic_detected" with is_be_panic()

Signed-off-by: Xiaoming Ni <nixiaom...@huawei.com>
---
 drivers/leds/trigger/ledtrig-activity.c | 19 +------------------
 1 file changed, 1 insertion(+), 18 deletions(-)

diff --git a/drivers/leds/trigger/ledtrig-activity.c 
b/drivers/leds/trigger/ledtrig-activity.c
index 14ba7faaed9e..bbacb3dbe341 100644
--- a/drivers/leds/trigger/ledtrig-activity.c
+++ b/drivers/leds/trigger/ledtrig-activity.c
@@ -17,8 +17,6 @@
 #include <linux/timer.h>
 #include "../leds.h"
 
-static int panic_detected;
-
 struct activity_data {
        struct timer_list timer;
        struct led_classdev *led_cdev;
@@ -47,7 +45,7 @@ static void led_activity_function(struct timer_list *t)
        if (test_and_clear_bit(LED_BLINK_BRIGHTNESS_CHANGE, 
&led_cdev->work_flags))
                led_cdev->blink_brightness = led_cdev->new_blink_brightness;
 
-       if (unlikely(panic_detected)) {
+       if (unlikely(is_being_panic())) {
                /* full brightness in case of panic */
                led_set_brightness_nosleep(led_cdev, 
led_cdev->blink_brightness);
                return;
@@ -226,28 +224,15 @@ static int activity_reboot_notifier(struct notifier_block 
*nb,
        return NOTIFY_DONE;
 }
 
-static int activity_panic_notifier(struct notifier_block *nb,
-                                   unsigned long code, void *unused)
-{
-       panic_detected = 1;
-       return NOTIFY_DONE;
-}
-
 static struct notifier_block activity_reboot_nb = {
        .notifier_call = activity_reboot_notifier,
 };
 
-static struct notifier_block activity_panic_nb = {
-       .notifier_call = activity_panic_notifier,
-};
-
 static int __init activity_init(void)
 {
        int rc = led_trigger_register(&activity_led_trigger);
 
        if (!rc) {
-               atomic_notifier_chain_register(&panic_notifier_list,
-                                              &activity_panic_nb);
                register_reboot_notifier(&activity_reboot_nb);
        }
        return rc;
@@ -256,8 +241,6 @@ static int __init activity_init(void)
 static void __exit activity_exit(void)
 {
        unregister_reboot_notifier(&activity_reboot_nb);
-       atomic_notifier_chain_unregister(&panic_notifier_list,
-                                        &activity_panic_nb);
        led_trigger_unregister(&activity_led_trigger);
 }
 
-- 
2.27.0