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wpan-phy: add wpan-phy iteration functions

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Add API to iterate over the wpan-phy instances.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
This commit is contained in:
Dmitry Eremin-Solenikov 2009-09-15 16:57:04 +04:00
parent 69d9ab96f9
commit 1c889f4db6
2 changed files with 27 additions and 0 deletions
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2
include/net/wpan-phy.h
View file

@ -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)
{

25
net/ieee802154/wpan-class.c
View file

@ -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;