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-0004z7-Pn for barebox@lists.infradead.org; Wed, 19 Jun 2013 09:10:36 +0000 Received: by mail-bk0-f53.google.com with SMTP id e11so2220637bkh.12 for ; Wed, 19 Jun 2013 02:10:05 -0700 (PDT) From: Sebastian Hesselbarth Date: Wed, 19 Jun 2013 11:09:40 +0200 Message-Id: <1371632991-1504-12-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 11/22] OF: base: import of_find_matching_node_and_match from Linux OF API To: Sebastian Hesselbarth Cc: barebox@lists.infradead.org This imports of_find_matching_node_and_match and corresponding helpers from Linux OF API. Signed-off-by: Sebastian Hesselbarth --- Cc: barebox@lists.infradead.org --- drivers/of/base.c | 37 +++++++++++++++++++++++++++++++++++++ include/of.h | 24 ++++++++++++++++++++++++ 2 files changed, 61 insertions(+), 0 deletions(-) diff --git a/drivers/of/base.c b/drivers/of/base.c index 50a4df0..38d6789 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -389,6 +389,43 @@ const struct of_device_id *of_match_node(const struct of_device_id *matches, return NULL; } +/** + * of_find_matching_node_and_match - Find a node based on an of_device_id + * match table. + * @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. + * @matches: array of of device match structures to search in + * @match Updated to point at the matches entry which matched + * + * Returns a pointer to the node found or NULL. + */ +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) +{ + struct device_node *np; + + if (match) + *match = NULL; + + if (!from) + from = root_node; + + of_tree_for_each_node(np, from) { + const struct of_device_id *m = of_match_node(matches, np); + if (m) { + if (match) + *match = m; + return np; + } + } + + return NULL; +} +EXPORT_SYMBOL(of_find_matching_node_and_match); + int of_match(struct device_d *dev, struct driver_d *drv) { const struct of_device_id *id; diff --git a/include/of.h b/include/of.h index b334e3a..a33ccfa 100644 --- a/include/of.h +++ b/include/of.h @@ -189,6 +189,10 @@ extern struct device_node *of_find_node_by_path_from(struct device_node *from, extern struct device_node *of_find_node_by_path(const char *path); extern struct device_node *of_find_compatible_node(struct device_node *from, const char *type, const char *compat); +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 int of_device_is_available(const struct device_node *device); extern void of_alias_scan(void); @@ -267,6 +271,14 @@ static inline struct device_node *of_find_compatible_node( return NULL; } +static inline 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) +{ + return NULL; +} + static inline int of_device_is_available(const struct device_node *device) { return 0; @@ -293,5 +305,17 @@ static inline const char *of_alias_get(struct device_node *np) #define for_each_compatible_node(dn, type, compatible) \ for (dn = of_find_compatible_node(NULL, type, compatible); dn; \ dn = of_find_compatible_node(dn, type, compatible)) +static inline struct device_node *of_find_matching_node( + struct device_node *from, + const struct of_device_id *matches) +{ + return of_find_matching_node_and_match(from, matches, NULL); +} +#define for_each_matching_node(dn, matches) \ + for (dn = of_find_matching_node(NULL, matches); dn; \ + dn = of_find_matching_node(dn, matches)) +#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)) #endif /* __OF_H */ -- 1.7.2.5 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox