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Date: Wed, 4 Apr 2012 16:14:48 +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>
---
include/linux/gpio.h | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index f8b46af..ceb8eef 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -89,6 +89,12 @@ static inline int gpio_request(unsigned gpio, const char *label)
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)
{
@@ -108,6 +114,14 @@ static inline void gpio_free(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();
--
1.7.9.1
--
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