回退rst上报逻辑。优化优雅关机的参数。

power.c

@@ -285,7 +285,7 @@ static void delay_work_func(struct work_struct *work)
     
     if(rst_flag >= 1)
     {
-        chardev_dev->status = 'P';
+        chardev_dev->status = 'R';
         chardev_dev->data_len = 1;
         wake_up_interruptible(&chardev_dev->read_queue);
     }

test_app/system_ctl_app.c

@@ -37,7 +37,7 @@ void reboot_system() {
 void shutdown_system() {
     printf("shutdown command received, system shutting down...\n");
     sync();
-    execute_command("shutdown -h now");
+    execute_command("shutdown -hP now");
 }
 
 int main() {