linux-kernel - [PATCH 2/2] gpiolib: add missing functions to generic fallback

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Date:	Tue,  4 Jan 2011 17:51:08 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	linux-kernel@...r.kernel.org
Cc:	Wolfram Sang <w.sang@...gutronix.de>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg KH <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Anton Vorontsov <cbouatmailru@...il.com>,
	Grant Likely <grant.likely@...retlab.ca>
Subject: [PATCH 2/2] gpiolib: add missing functions to generic fallback

Signed-off-by: Wolfram Sang <w.sang@...gutronix.de>
Cc: David Brownell <dbrownell@...rs.sourceforge.net>
Cc: Greg KH <gregkh@...e.de>
---
 include/linux/gpio.h |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index 1d5214a..f79d67f 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -13,6 +13,7 @@
 #include <linux/errno.h>
 
 struct device;
+struct gpio;
 struct gpio_chip;
 
 /*
@@ -34,6 +35,17 @@ static inline int __must_check gpio_request(unsigned gpio, const char *label)
 	return -ENOSYS;
 }
 
+static inline int __must_check gpio_request_one(unsigned gpio,
+					unsigned long flags, const char *label)
+{
+	return -ENOSYS;
+}
+
+static inline int __must_check gpio_request_array(struct gpio *array, size_t num)
+{
+	return -ENOSYS;
+}
+
 static inline void gpio_free(unsigned gpio)
 {
 	might_sleep();
@@ -42,6 +54,14 @@ static inline void gpio_free(unsigned gpio)
 	WARN_ON(1);
 }
 
+static inline void gpio_free_array(struct gpio *array, size_t num)
+{
+	might_sleep();
+
+	/* GPIO can never have been requested */
+	WARN_ON(1);
+}
+
 static inline int __must_check gpio_direction_input(unsigned gpio)
 {
 	return -ENOSYS;
-- 
1.7.2.3

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