linux-kernel - [PATCH] gpio: Fix build on CONFIG_GPIO

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Message-Id: <20080729.001612.79297475.anemo@mba.ocn.ne.jp>
Date:	Tue, 29 Jul 2008 00:16:12 +0900 (JST)
From:	Atsushi Nemoto <anemo@....ocn.ne.jp>
To:	David Brownell <dbrownell@...rs.sourceforge.net>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: [PATCH] gpio: Fix build on CONFIG_GPIO_SYSFS=n

If CONFIG_GENERIC_GPIO=y && CONFIG_GPIO_SYSFS=n, gpio_export() in
asm-generic/gpio.h refers -ENOSYS and causes build error.

Signed-off-by: Atsushi Nemoto <anemo@....ocn.ne.jp>
---
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index c764a8f..0f99ad3 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -2,6 +2,7 @@
 #define _ASM_GENERIC_GPIO_H
 
 #include <linux/types.h>
+#include <linux/errno.h>
 
 #ifdef CONFIG_GPIOLIB
 
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