Commit 00b2c76a authored Jan 23, 2014 by David Howells Committed by Linus Torvalds Jan 23, 2014

include/linux/of.h: make for_each_child_of_node() reference its args when CONFIG_OF=n



Make for_each_child_of_node() reference its args when CONFIG_OF=n to
avoid warnings like:

	drivers/leds/leds-pwm.c:88:22: warning: unused variable 'node' [-Wunused-variable]
	  struct device_node *node = pdev->dev.of_node;
			      ^

Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 04f9b74e

include/linux/of.h

+6 −1

Original line number	Original line	Diff line number	Diff line
	@@ -377,8 +377,13 @@ static inline bool of_have_populated_dt(void)
	return false;		return false;
	}		}

			/* Kill an unused variable warning on a device_node pointer */
			static inline void __of_use_dn(const struct device_node *np)
			{
			}

	#define for_each_child_of_node(parent, child) \		#define for_each_child_of_node(parent, child) \
	while (0)		while (__of_use_dn(parent), __of_use_dn(child), 0)

	#define for_each_available_child_of_node(parent, child) \		#define for_each_available_child_of_node(parent, child) \
	while (0)		while (0)