imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-11-01 06:46:35 +01:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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 <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
David Howells authored and Linus Torvalds committed 2014-01-23 16:36:55 -08:00
1 parent 04f9b74e4d
commit 00b2c76a6a
1 file changed
+6 -1
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/of.h
+6 -1
View File
@@ -377,8 +377,13 @@ static inline bool of_have_populated_dt(void)
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) \
while (0)
while (__of_use_dn(parent), __of_use_dn(child), 0)
#define for_each_available_child_of_node(parent, child) \
while (0)