diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index b9242c6905ba..3d0750780217 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -26,6 +26,7 @@
 #include <linux/miscdevice.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/rtmutex.h>
 #include <linux/mutex.h>
 #include <linux/nsproxy.h>
 #include <linux/poll.h>
@@ -45,7 +46,7 @@
 #include <uapi/linux/android/binder.h>
 #include "binder_trace.h"
 
-static DEFINE_MUTEX(binder_main_lock);
+static DEFINE_RT_MUTEX(binder_main_lock);
 static DEFINE_MUTEX(binder_deferred_lock);
 static DEFINE_MUTEX(binder_mmap_lock);
 
@@ -425,14 +426,14 @@ static long task_close_fd(struct binder_proc *proc, unsigned int fd)
 static inline void binder_lock(const char *tag)
 {
 	trace_binder_lock(tag);
-	mutex_lock(&binder_main_lock);
+	rt_mutex_lock(&binder_main_lock);
 	trace_binder_locked(tag);
 }
 
 static inline void binder_unlock(const char *tag)
 {
 	trace_binder_unlock(tag);
-	mutex_unlock(&binder_main_lock);
+	rt_mutex_unlock(&binder_main_lock);
 }
 
 static void binder_set_nice(long nice)