diff options
| author | David Howells <dhowells@redhat.com> | 2014-01-23 15:54:02 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:36:55 -0800 |
| commit | 00b2c76a6abbe082bb5afb89ee49ec325e9cd4d2 (patch) | |
| tree | 5592406c52b323fff71cc1ecd5bc4d24678ebd76 /include/linux/of.h | |
| parent | 04f9b74e4d96d349de12fdd4e6626af4a9f75e09 (diff) | |
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>
Diffstat (limited to 'include/linux/of.h')
| -rw-r--r-- | include/linux/of.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index 276c546980d8..70c64ba17fa5 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -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) |