There's nothing used from these header files, remove their inclusion.

Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>
---
 drivers/mailbox/mailbox.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index fa3dcec63940..5e3a1d0315f9 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -6,17 +6,14 @@
  * Author: Jassi Brar <jassisinghbrar@gmail.com>
  */
 
-#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/err.h>
-#include <linux/interrupt.h>
 #include <linux/mailbox_client.h>
 #include <linux/mailbox_controller.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/of.h>
-#include <linux/slab.h>
 #include <linux/spinlock.h>
 
 #include "mailbox.h"

-- 
2.48.1.601.g30ceb7b040-goog