[SPARC64]: Add of_getintprop_default().

This encodes a common idiomatic coding pattern used when
dealing with integer properties.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index fd46e94ce06b..0a32b1064dfb 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -104,6 +104,18 @@ struct property *of_find_property(struct device_node *np, const char *name,
         return pp;
 }
 
+int of_getintprop_default(struct device_node *np, const char *name, int def)
+{
+        struct property *prop;
+        int len;
+
+        prop = of_find_property(np, name, &len);
+        if (!prop || len != 4)
+                return def;
+
+        return *(int *) prop->value;
+}
+
 static unsigned int prom_early_allocated;
 
 static void * __init prom_early_alloc(unsigned long size)