diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77470.c b/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
index 4359aeb35dbdf8f3..83772abffaf81b66 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77470.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2018 Renesas Electronics Corp.
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "sh_pfc.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
index a84229cb8cd4c8a7..202638b9cb54ce5a 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
@@ -8,6 +8,7 @@
  * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  */
 
+#include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/sys_soc.h>
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
index d8b13d4e9bbff7cb..d21a520695db1ae4 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
@@ -6,6 +6,7 @@
  * Copyright (C) 2014-2017 Cogent Embedded, Inc.
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "sh_pfc.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
index 958a5f714c93d967..d24ba71649a10888 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7794.c
@@ -7,6 +7,7 @@
  * Copyright (C) 2015-2017 Cogent Embedded, Inc. <source@cogentembedded.com>
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sys_soc.h>
 
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795-es1.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795-es1.c
index 0ef7ada08316fa34..52a0fa8abfcca2bd 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795-es1.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795-es1.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2015-2017  Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "core.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index 1a987dfea46f897a..6400e6304daf25e9 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2015-2017 Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sys_soc.h>
 
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7796.c b/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
index a99c519e05a01f23..bb1255b9bc24241e 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7796.c
@@ -11,6 +11,7 @@
  * Copyright (C) 2015  Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "core.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
index 820b74ca9d10236b..c656d26e51503fe5 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77965.c
@@ -12,6 +12,7 @@
  * Copyright (C) 2015  Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "core.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
index f5868f5e40189441..37d0c1f10901704e 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
@@ -12,6 +12,7 @@
  * Copyright (C) 2015  Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77980.c b/drivers/pinctrl/sh-pfc/pfc-r8a77980.c
index 376e689c737821b5..42c73913b5c7088c 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77980.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77980.c
@@ -12,6 +12,7 @@
  * Copyright (C) 2015 Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77990.c b/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
index 1a8d1ae896c0b0f5..10aa52eb4e32e467 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77990.c
@@ -11,6 +11,7 @@
  * Copyright (C) 2016-2017 Renesas Electronics Corp.
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "core.h"
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
index 0acdfb8bf0777b50..110671d4626c541c 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77995.c
@@ -11,6 +11,7 @@
  * Copyright (C) 2015  Renesas Electronics Corporation
  */
 
+#include <linux/errno.h>
 #include <linux/kernel.h>
 
 #include "core.h"
