13  * struct phy_package_shared - Shared information in PHY packages
17  * @refcnt: Number of PHYs connected to this shared data
19  * @priv_size: Size of the shared private data @priv
20  * @priv: Driver private data shared across a PHY package
22  * Represents a shared structure between different phydev's in the same
35 	/* note that this pointer is shared between different phydevs and
45 	return phydev->shared->np;  in phy_package_get_node()
51 	return phydev->shared->priv;  in phy_package_get_priv()
57 	struct phy_package_shared *shared = phydev->shared;  in phy_package_address()  local
58 	u8 base_addr = shared->base_addr;  in phy_package_address()
95 	struct phy_package_shared *shared = phydev->shared;  in __phy_package_set_once()  local
97 	if (!shared)  in __phy_package_set_once()
100 	return !test_and_set_bit(b, &shared->flags);  in __phy_package_set_once()
122  * This joins a PHY group and provides a shared storage for all phydevs in
135  * This will set the shared pointer of the phydev to the shared storage.
136  * If this is the first call for a this cookie the shared storage will be
146 	struct phy_package_shared *shared;  in phy_package_join()  local
153 	shared = bus->shared[base_addr];  in phy_package_join()
154 	if (!shared) {  in phy_package_join()
156 		shared = kzalloc(sizeof(*shared), GFP_KERNEL);  in phy_package_join()
157 		if (!shared)  in phy_package_join()
160 			shared->priv = kzalloc(priv_size, GFP_KERNEL);  in phy_package_join()
161 			if (!shared->priv)  in phy_package_join()
163 			shared->priv_size = priv_size;  in phy_package_join()
165 		shared->base_addr = base_addr;  in phy_package_join()
166 		shared->np = NULL;  in phy_package_join()
167 		refcount_set(&shared->refcnt, 1);  in phy_package_join()
168 		bus->shared[base_addr] = shared;  in phy_package_join()
171 		if (priv_size && priv_size != shared->priv_size)  in phy_package_join()
173 		refcount_inc(&shared->refcnt);  in phy_package_join()
177 	phydev->shared = shared;  in phy_package_join()
182 	kfree(shared);  in phy_package_join()
200  * With this configuration the shared struct will also have the np value
237 	phydev->shared->np = package_node;  in of_phy_package_join()
251  * was the last user of the shared data between the group, this data is
252  * freed. Resets the phydev->shared pointer to NULL.
256 	struct phy_package_shared *shared = phydev->shared;  in phy_package_leave()  local
259 	if (!shared)  in phy_package_leave()
263 	if (shared->np)  in phy_package_leave()
264 		of_node_put(shared->np);  in phy_package_leave()
266 	if (refcount_dec_and_mutex_lock(&shared->refcnt, &bus->shared_lock)) {  in phy_package_leave()
267 		bus->shared[shared->base_addr] = NULL;  in phy_package_leave()
269 		kfree(shared->priv);  in phy_package_leave()
270 		kfree(shared);  in phy_package_leave()
273 	phydev->shared = NULL;  in phy_package_leave()
290  * Managed phy_package_join(). Shared storage fetched by this function,
324  * Managed of_phy_package_join(). Shared storage fetched by this function,