Subject: [PATCH 06/11] of/flattree: Merge of_flat_dt_is_compatible

From: Grant Likely <[email-masked]>
Date: Thu, 05 Nov 2009 00:46:26 -0700

Merge common code between PowerPC and Microblaze

Signed-off-by: Grant Likely <[email-masked]>
---

 arch/microblaze/kernel/prom.c |   19 -------------------
 arch/powerpc/kernel/prom.c    |   19 -------------------
 drivers/of/fdt.c              |   24 ++++++++++++++++++++++++
 3 files changed, 24 insertions(+), 38 deletions(-)

diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c
index d75c625..eb27bd3 100644
--- a/arch/microblaze/kernel/prom.c
+++ b/arch/microblaze/kernel/prom.c
@@ -50,25 +50,6 @@ typedef u32 cell_t;
 /* export that to outside world */
 struct device_node *of_chosen;
 
-int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
-{
-	const char *cp;
-	unsigned long cplen, l;
-
-	cp = of_get_flat_dt_prop(node, "compatible", &cplen);
-	if (cp == NULL)
-		return 0;
-	while (cplen > 0) {
-		if (strncasecmp(cp, compat, strlen(compat)) == 0)
-			return 1;
-		l = strlen(cp) + 1;
-		cp += l;
-		cplen -= l;
-	}
-
-	return 0;
-}
-
 static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
 					unsigned long align)
 {
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index cd0a2bf..413e608 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -80,25 +80,6 @@ extern rwlock_t devtree_lock;	/* temporary while merging */
 /* export that to outside world */
 struct device_node *of_chosen;
 
-int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
-{
-	const char* cp;
-	unsigned long cplen, l;
-
-	cp = of_get_flat_dt_prop(node, "compatible", &cplen);
-	if (cp == NULL)
-		return 0;
-	while (cplen > 0) {
-		if (strncasecmp(cp, compat, strlen(compat)) == 0)
-			return 1;
-		l = strlen(cp) + 1;
-		cp += l;
-		cplen -= l;
-	}
-
-	return 0;
-}
-
 static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
 				       unsigned long align)
 {
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 7a51343..01a7f5f 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -143,3 +143,27 @@ void *__init of_get_flat_dt_prop(unsigned long node, const char *name,
 	} while (1);
 }
 
+/**
+ * of_flat_dt_is_compatible - Return true if given node has compat in compatible list
+ * @node: node to test
+ * @compat: compatible string to compare with compatible list.
+ */
+int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
+{
+	const char *cp;
+	unsigned long cplen, l;
+
+	cp = of_get_flat_dt_prop(node, "compatible", &cplen);
+	if (cp == NULL)
+		return 0;
+	while (cplen > 0) {
+		if (strncasecmp(cp, compat, strlen(compat)) == 0)
+			return 1;
+		l = strlen(cp) + 1;
+		cp += l;
+		cplen -= l;
+	}
+
+	return 0;
+}
+