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author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-09-15 16:57:04 +0400 |
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committer | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2009-11-06 14:12:24 +0300 |
commit | 1c889f4db6b2f8f8429e62011ba622642faba019 (patch) | |
tree | 995e43f46f37925556b74b324e59d7363f9393be | |
parent | 69d9ab96f983720b7794e91437bd9c5f83bae9f7 (diff) | |
download | linux-1c889f4db6b2f8f8429e62011ba622642faba019.tar.xz |
wpan-phy: add wpan-phy iteration functions
Add API to iterate over the wpan-phy instances.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
-rw-r--r-- | include/net/wpan-phy.h | 2 | ||||
-rw-r--r-- | 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 5e803a0e4e72..3367dd95cf85 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 f306604da67a..0cec13842916 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; |