Commit e8a51e1b authored Feb 17, 2015 by Benjamin Herrenschmidt Committed by Greg Kroah-Hartman Mar 25, 2015

device: Add dev_of_node() accessor



Suggested by Arnd Bergmann, this gives a practical accessor for
the of_node field of struct device while instructing the compiler
that it will be NULL if CONFIG_OF is not set.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent ef518cc8

include/linux/device.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -916,6 +916,13 @@ static inline void device_lock_assert(struct device *dev)
		lockdep_assert_held(&dev->mutex);
		}

		static inline struct device_node dev_of_node(struct device dev)
		{
		if (!IS_ENABLED(CONFIG_OF))
		return NULL;
		return dev->of_node;
		}

		void driver_init(void);

		/*