Subject: + include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n.patch added to -mm tree
To: dhowells@xxxxxxxxxx,grant.likely@xxxxxxxxxx,robh+dt@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Fri, 03 Jan 2014 14:44:13 -0800
The patch titled
Subject: include/linux/of.h: make for_each_child_of_node() reference its args when CONFIG_OF=n
has been added to the -mm tree. Its filename is
include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n.patch
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------------------------------------------------------
From: David Howells <dhowells@xxxxxxxxxx>
Subject: 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@xxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/of.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff -puN include/linux/of.h~include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n include/linux/of.h
--- a/include/linux/of.h~include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n
+++ a/include/linux/of.h
@@ -377,8 +377,13 @@ static inline bool of_have_populated_dt(
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)
_
Patches currently in -mm which might be from dhowells@xxxxxxxxxx are
include-linux-ofh-make-for_each_child_of_node-reference-its-args-when-config_of=n.patch
drivers-gpu-drm-gma500-backlightc-fix-a-defined-but-not-used-warning-for-do_gma_backlight_set.patch
drivers-mfd-max8998c-fix-pointer-integer-size-mismatch-warning-in-max8998_i2c_get_driver_data.patch
drivers-mfd-tps65217c-fix-pointer-integer-size-mismatch-warning-in-tps65217_probe.patch
drivers-regulator-tps62360-regulatorc-fix-pointer-integer-size-mismatch-warning-in-tps62360_probe.patch
drivers-video-aty-aty128fbc-fix-a-warning-pertaining-to-the-aty128fb-backlight-variable.patch
documentation-misc-devices-mei-mei-amt-versionc-remove-unneeded-call-of-mei_deinit.patch
lib-assoc_arrayc-remove-global-variable.patch
afs-proc-cells-and-rootcell-are-writeable.patch
linux-next.patch
mutex-subsystem-synchro-test-module.patch
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