pinctrl: pinctrl-single: add header include guard

Add a header include guard just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Link: https://lore.kernel.org/r/20190720115858.7015-1-yamada.masahiro@socionext.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/include/linux/platform_data/pinctrl-single.h b/include/linux/platform_data/pinctrl-single.h
index 1cf36fd..7473d3c 100644 (file)
--- a/include/linux/platform_data/pinctrl-single.h
+++ b/include/linux/platform_data/pinctrl-single.h
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _PINCTRL_SINGLE_H
+#define _PINCTRL_SINGLE_H
+
 /**
  * irq:                optional wake-up interrupt
  * rearm:      optional soc specific rearm function
@@ -11,3 +15,5 @@ struct pcs_pdata {
        int irq;
        void (*rearm)(void);
 };
+
+#endif /* _PINCTRL_SINGLE_H */