From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean-Christophe PLAGNIOL-VILLARD Subject: [PATCH v4] of: introduce helper to manage boolean Date: Tue, 13 Mar 2012 18:48:23 +0100 Message-ID: <1331660903-10193-1-git-send-email-plagnioj@jcrosoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org Cc: Grant Likely , devicetree-discuss@lists.ozlabs.org, Jean-Christophe PLAGNIOL-VILLARD List-Id: devicetree@vger.kernel.org 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 Acked-by: Rob Herring Acked-by: Arnd Bergmann Cc: Grant Likely --- v4: send the right version include Grant comment Grant can I get the go please? Best Regards, J. include/linux/of.h | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-) diff --git a/include/linux/of.h b/include/linux/of.h index a75a831..a992cdf 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -342,6 +342,22 @@ static inline int of_machine_is_compatible(const char *compat) #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) -- 1.7.7