From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bk0-x235.google.com ([2a00:1450:4008:c01::235]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpEPK-0004zB-Pp for barebox@lists.infradead.org; Wed, 19 Jun 2013 09:10:40 +0000 Received: by mail-bk0-f53.google.com with SMTP id e11so2220655bkh.12 for ; Wed, 19 Jun 2013 02:10:06 -0700 (PDT) From: Sebastian Hesselbarth Date: Wed, 19 Jun 2013 11:09:41 +0200 Message-Id: <1371632991-1504-13-git-send-email-sebastian.hesselbarth@gmail.com> In-Reply-To: <1371576607-8090-1-git-send-email-sebastian.hesselbarth@gmail.com> References: <1371576607-8090-1-git-send-email-sebastian.hesselbarth@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 12/22] OF: base: import of_find_node_with_property from Linux OF API To: Sebastian Hesselbarth Cc: barebox@lists.infradead.org This imports of_find_node_with_property and corresponding helpers from Linux OF API. Signed-off-by: Sebastian Hesselbarth --- Cc: barebox@lists.infradead.org --- drivers/of/base.c | 26 ++++++++++++++++++++++++++ include/of.h | 11 +++++++++++ 2 files changed, 37 insertions(+), 0 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 38d6789..39eddb2 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -368,6 +368,32 @@ struct device_node *of_find_compatible_node(struct device_node *from, EXPORT_SYMBOL(of_find_compatible_node); /** + * of_find_node_with_property - Find a node which has a property with + * the given name. + * @from: The node to start searching from or NULL, the node + * you pass will not be searched, only the next one + * will; typically, you pass what the previous call + * returned. + * @prop_name: The name of the property to look for. + * + * Returns a pointer to the node found or NULL. + */ +struct device_node *of_find_node_with_property(struct device_node *from, + const char *prop_name) +{ + struct device_node *np; + + of_tree_for_each_node(np, from) { + struct property *pp = of_find_property(np, prop_name, NULL); + if (pp) + return np; + } + + return NULL; +} +EXPORT_SYMBOL(of_find_node_with_property); + +/** * of_match_node - Tell if an device_node has a matching of_match structure * @matches: array of of device match structures to search in * @node: the of device structure to match against diff --git a/include/of.h b/include/of.h index a33ccfa..f508435 100644 --- a/include/of.h +++ b/include/of.h @@ -193,6 +193,8 @@ extern struct device_node *of_find_matching_node_and_match( struct device_node *from, const struct of_device_id *matches, const struct of_device_id **match); +extern struct device_node *of_find_node_with_property( + struct device_node *from, const char *prop_name); extern int of_device_is_available(const struct device_node *device); extern void of_alias_scan(void); @@ -279,6 +281,12 @@ static inline struct device_node *of_find_matching_node_and_match( return NULL; } +static inline struct device_node *of_find_node_with_property( + struct device_node *from, const char *prop_name) +{ + return NULL; +} + static inline int of_device_is_available(const struct device_node *device) { return 0; @@ -317,5 +325,8 @@ static inline struct device_node *of_find_matching_node( #define for_each_matching_node_and_match(dn, matches, match) \ for (dn = of_find_matching_node_and_match(NULL, matches, match); \ dn; dn = of_find_matching_node_and_match(dn, matches, match)) +#define for_each_node_with_property(dn, prop_name) \ + for (dn = of_find_node_with_property(NULL, prop_name); dn; \ + dn = of_find_node_with_property(dn, prop_name)) #endif /* __OF_H */ -- 1.7.2.5 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox