pinctrl: add include guard to pinctrl-state.h

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/linux/pinctrl/pinctrl-state.h b/include/linux/pinctrl/pinctrl-state.h
index a0e785815a64..635d97e9285e 100644
--- a/include/linux/pinctrl/pinctrl-state.h
+++ b/include/linux/pinctrl/pinctrl-state.h
@@ -3,6 +3,9 @@
  * Standard pin control state definitions
  */
 
+#ifndef __LINUX_PINCTRL_PINCTRL_STATE_H
+#define __LINUX_PINCTRL_PINCTRL_STATE_H
+
 /**
  * @PINCTRL_STATE_DEFAULT: the state the pinctrl handle shall be put
  *      into as default, usually this means the pins are up and ready to
@@ -31,3 +34,5 @@
 #define PINCTRL_STATE_INIT "init"
 #define PINCTRL_STATE_IDLE "idle"
 #define PINCTRL_STATE_SLEEP "sleep"
+
+#endif /* __LINUX_PINCTRL_PINCTRL_STATE_H */