From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-bk0-x230.google.com ([2a00:1450:4008:c01::230]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpEPH-0004z3-1Q for barebox@lists.infradead.org; Wed, 19 Jun 2013 09:10:24 +0000 Received: by mail-bk0-f48.google.com with SMTP id jf17so2208881bkc.7 for ; Wed, 19 Jun 2013 02:10:04 -0700 (PDT) From: Sebastian Hesselbarth Date: Wed, 19 Jun 2013 11:09:38 +0200 Message-Id: <1371632991-1504-10-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 09/22] OF: base: import of_find_node_by_name from Linux OF API To: Sebastian Hesselbarth Cc: barebox@lists.infradead.org This imports of_find_node_by_name and corresponding for_each_node_by_name helper from Linux OF API. Signed-off-by: Sebastian Hesselbarth --- Cc: barebox@lists.infradead.org --- drivers/of/base.c | 26 ++++++++++++++++++++++++++ include/of.h | 12 ++++++++++++ 2 files changed, 38 insertions(+), 0 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 2176251..d736bef 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -312,6 +312,32 @@ int of_device_is_compatible(const struct device_node *device, EXPORT_SYMBOL(of_device_is_compatible); /** + * of_find_node_by_name - Find a node by its "name" property + * @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. + * @name: The name string to match against + * + * Returns a pointer to the node found or NULL. + */ +struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +{ + struct device_node *np; + + if (!from) + from = root_node; + + of_tree_for_each_node(np, from) + if (np->name && !of_node_cmp(np->name, name)) + return np; + + return NULL; +} +EXPORT_SYMBOL(of_find_node_by_name); + +/** * 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 56b7be1..8cbfe7a 100644 --- a/include/of.h +++ b/include/of.h @@ -182,6 +182,8 @@ struct cdev; extern struct property *of_find_property(const struct device_node *np, const char *name, int *lenp); +extern struct device_node *of_find_node_by_name(struct device_node *from, + const char *name); extern struct device_node *of_find_node_by_path_from(struct device_node *from, const char *path); extern struct device_node *of_find_node_by_path(const char *path); @@ -249,6 +251,12 @@ static inline struct device_node *of_find_node_by_path(const char *path) return NULL; } +static inline struct device_node *of_find_node_by_name(struct device_node *from, + const char *name) +{ + return NULL; +} + static inline int of_device_is_available(const struct device_node *device) { return 0; @@ -269,4 +277,8 @@ static inline const char *of_alias_get(struct device_node *np) } #endif +#define for_each_node_by_name(dn, name) \ + for (dn = of_find_node_by_name(NULL, name); dn; \ + dn = of_find_node_by_name(dn, name)) + #endif /* __OF_H */ -- 1.7.2.5 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox