linux-kernel - [PATCH 1/2] gpiolib: Add !CONFIG_GPIOLIB definitions of devm

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Date:	Wed,  2 May 2012 12:46:45 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/2] gpiolib: Add !CONFIG_GPIOLIB definitions of devm_ functions

Currently the managed gpio_request() and gpio_free() are not stubbed out
for configurations not using gpiolib - do that to aid use in drivers.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---

I thought you'd applied this but it's not showing up in -next.

 include/linux/gpio.h |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index d1890d46..8e0fe1b 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -66,6 +66,12 @@ static inline int devm_gpio_request(struct device *dev, unsigned gpio,
 	return -ENOSYS;
 }
 
+static inline int devm_gpio_request(struct device *dev, unsigned gpio,
+				    const char *label)
+{
+	return -ENOSYS;
+}
+
 static inline int gpio_request_one(unsigned gpio,
 					unsigned long flags, const char *label)
 {
@@ -93,6 +99,14 @@ static inline void devm_gpio_free(struct device *dev, unsigned gpio)
 	WARN_ON(1);
 }
 
+static inline void devm_gpio_free(struct device *dev, unsigned gpio)
+{
+	might_sleep();
+
+	/* GPIO can never have been requested */
+	WARN_ON(1);
+}
+
 static inline void gpio_free_array(const struct gpio *array, size_t num)
 {
 	might_sleep();
-- 
1.7.10

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