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[PATCH 1/4] make fallback gpio.h gpiolib-friendly

To: linux-mips@linux-mips.org
Subject: [PATCH 1/4] make fallback gpio.h gpiolib-friendly
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sat, 05 Apr 2008 00:55:24 +0900 (JST)
Cc: ralf@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
If gpiolib was selected, asm-generic/gpio.h provides some prototypes
for gpio API and implementation helpers.  With this patch, platform
code can implement its GPIO API using gpiolib without custom gpio.h
file.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
---
diff --git a/include/asm-mips/mach-generic/gpio.h 
b/include/asm-mips/mach-generic/gpio.h
index 6eaf5ef..e6b376b 100644
--- a/include/asm-mips/mach-generic/gpio.h
+++ b/include/asm-mips/mach-generic/gpio.h
@@ -1,12 +1,18 @@
 #ifndef __ASM_MACH_GENERIC_GPIO_H
 #define __ASM_MACH_GENERIC_GPIO_H
 
+#ifdef CONFIG_HAVE_GPIO_LIB
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep  __gpio_cansleep
+#else
 int gpio_request(unsigned gpio, const char *label);
 void gpio_free(unsigned gpio);
 int gpio_direction_input(unsigned gpio);
 int gpio_direction_output(unsigned gpio, int value);
 int gpio_get_value(unsigned gpio);
 void gpio_set_value(unsigned gpio, int value);
+#endif
 int gpio_to_irq(unsigned gpio);
 int irq_to_gpio(unsigned irq);
 

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