From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Eremin-Solenikov Subject: [PATCH 4/7] ieee802154: add wpan-phy iteration functions Date: Wed, 16 Sep 2009 02:13:02 +0400 Message-ID: <1253052785-26190-5-git-send-email-dbaryshkov@gmail.com> References: <1253052785-26190-1-git-send-email-dbaryshkov@gmail.com> <1253052785-26190-2-git-send-email-dbaryshkov@gmail.com> <1253052785-26190-3-git-send-email-dbaryshkov@gmail.com> <1253052785-26190-4-git-send-email-dbaryshkov@gmail.com> Cc: linux-zigbee-devel@lists.sourceforge.net, Sergey Lapin , netdev@vger.kernel.org To: "David S. Miller" Return-path: Received: from ey-out-2122.google.com ([74.125.78.24]:4448 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752360AbZIOWOC (ORCPT ); Tue, 15 Sep 2009 18:14:02 -0400 Received: by ey-out-2122.google.com with SMTP id 25so882299eya.19 for ; Tue, 15 Sep 2009 15:14:03 -0700 (PDT) In-Reply-To: <1253052785-26190-4-git-send-email-dbaryshkov@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Add API to iterate over the wpan-phy instances. Signed-off-by: Dmitry Eremin-Solenikov --- include/net/wpan-phy.h | 2 ++ net/ieee802154/wpan-class.c | 25 +++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/include/net/wpan-phy.h b/include/net/wpan-phy.h index 5e803a0..3367dd9 100644 --- a/include/net/wpan-phy.h +++ b/include/net/wpan-phy.h @@ -48,6 +48,8 @@ struct wpan_phy *wpan_phy_alloc(size_t priv_size); int wpan_phy_register(struct device *parent, struct wpan_phy *phy); void wpan_phy_unregister(struct wpan_phy *phy); void wpan_phy_free(struct wpan_phy *phy); +/* Same semantics as for class_for_each_device */ +int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data); static inline void *wpan_phy_priv(struct wpan_phy *phy) { diff --git a/net/ieee802154/wpan-class.c b/net/ieee802154/wpan-class.c index f306604..0cec138 100644 --- a/net/ieee802154/wpan-class.c +++ b/net/ieee802154/wpan-class.c @@ -91,6 +91,31 @@ struct wpan_phy *wpan_phy_find(const char *str) } EXPORT_SYMBOL(wpan_phy_find); +struct wpan_phy_iter_data { + int (*fn)(struct wpan_phy *phy, void *data); + void *data; +}; + +static int wpan_phy_iter(struct device *dev, void *_data) +{ + struct wpan_phy_iter_data *wpid = _data; + struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); + return wpid->fn(phy, wpid->data); +} + +int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), + void *data) +{ + struct wpan_phy_iter_data wpid = { + .fn = fn, + .data = data, + }; + + return class_for_each_device(&wpan_phy_class, NULL, + &wpid, wpan_phy_iter); +} +EXPORT_SYMBOL(wpan_phy_for_each); + static int wpan_phy_idx_valid(int idx) { return idx >= 0; -- 1.6.3.3