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Subject[45/75] of: introduce helper to manage boolean
3.2.44-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

commit fa4d34ccd0914ac87336ea2c17e9370dfecef286 upstream.

of_property_read_bool

Search for a property in a device node.
Returns true if the property exist false otherwise.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
include/linux/of.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -336,6 +336,22 @@ static inline int of_machine_is_compatib
#define of_match_node(_matches, _node) NULL
#endif /* CONFIG_OF */

+/**
+ * of_property_read_bool - Findfrom a property
+ * @np: device node from which the property value is to be read.
+ * @propname: name of the property to be searched.
+ *
+ * Search for a property in a device node.
+ * Returns true if the property exist false otherwise.
+ */
+static inline bool of_property_read_bool(const struct device_node *np,
+ const char *propname)
+{
+ struct property *prop = of_find_property(np, propname, NULL);
+
+ return prop ? true : false;
+}
+
static inline int of_property_read_u32(const struct device_node *np,
const char *propname,
u32 *out_value)


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