diff --git a/sound/soc/fsl/mpc8610_hpcd.c b/sound/soc/fsl/mpc8610_hpcd.c
index ef67d1c..83de1c8 100644
--- a/sound/soc/fsl/mpc8610_hpcd.c
+++ b/sound/soc/fsl/mpc8610_hpcd.c
@@ -9,6 +9,7 @@
  * express or implied.
  */
 
+#include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
 #include <linux/of_device.h>