diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index f9ec173..81c5782 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -33,7 +33,7 @@
 	struct dev_power_governor *gov;
 	struct work_struct power_off_work;
 	unsigned int in_progress;	/* Number of devices being suspended now */
-	unsigned int sd_count;	/* Number of subdomains with power "on" */
+	atomic_t sd_count;	/* Number of subdomains with power "on" */
 	enum gpd_status status;	/* Current state of the domain */
 	wait_queue_head_t status_wait_queue;
 	struct task_struct *poweroff_task;	/* Powering off task */