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-rw-r--r--include/linux/of.h7
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)
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