[PATCH/RFC v5 1/2] of: add of_node_ncmp wrapper

[Jacek Anaszewski]

The wrapper for strnicmp is required for checking whether a node has
expected prefix.

Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
---
 arch/sparc/include/asm/prom.h |    1 +
 include/linux/of.h            |    1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index d955c8d..272f87a 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -30,6 +30,7 @@
 #define of_compat_cmp(s1, s2, l)	strncmp((s1), (s2), (l))
 #define of_prop_cmp(s1, s2)		strcasecmp((s1), (s2))
 #define of_node_cmp(s1, s2)		strcmp((s1), (s2))
+#define of_node_ncmp(s1, s2, n)		strnicmp((s1), (s2), (n))
 
 struct of_irq_controller {
 	unsigned int	(*irq_build)(struct device_node *, unsigned int, void *);
diff --git a/include/linux/of.h b/include/linux/of.h
index 6c4363b..b1e11ba 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -197,6 +197,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
 #define of_compat_cmp(s1, s2, l)	strcasecmp((s1), (s2))
 #define of_prop_cmp(s1, s2)		strcmp((s1), (s2))
 #define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
+#define of_node_ncmp(s1, s2, n)		strnicmp((s1), (s2), (n))
 #endif
 
 /* flag descriptions */
-- 
1.7.9.5

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