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()
58 	struct phy_package_shared *shared = phydev->shared;  in phy_package_address()  local
59 	u8 base_addr = shared->base_addr;  in phy_package_address()
161 	struct phy_package_shared *shared = phydev->shared;  in __phy_package_set_once()  local
163 	if (!shared)  in __phy_package_set_once()
166 	return !test_and_set_bit(b, &shared->flags);  in __phy_package_set_once()
188  * This joins a PHY group and provides a shared storage for all phydevs in
201  * This will set the shared pointer of the phydev to the shared storage.
202  * If this is the first call for a this cookie the shared storage will be
212 	struct phy_package_shared *shared;  in phy_package_join()  local
219 	shared = bus->shared[base_addr];  in phy_package_join()
220 	if (!shared) {  in phy_package_join()
222 		shared = kzalloc(sizeof(*shared), GFP_KERNEL);  in phy_package_join()
223 		if (!shared)  in phy_package_join()
226 			shared->priv = kzalloc(priv_size, GFP_KERNEL);  in phy_package_join()
227 			if (!shared->priv)  in phy_package_join()
229 			shared->priv_size = priv_size;  in phy_package_join()
231 		shared->base_addr = base_addr;  in phy_package_join()
232 		shared->np = NULL;  in phy_package_join()
233 		refcount_set(&shared->refcnt, 1);  in phy_package_join()
234 		bus->shared[base_addr] = shared;  in phy_package_join()
237 		if (priv_size && priv_size != shared->priv_size)  in phy_package_join()
239 		refcount_inc(&shared->refcnt);  in phy_package_join()
243 	phydev->shared = shared;  in phy_package_join()
248 	kfree(shared);  in phy_package_join()
266  * With this configuration the shared struct will also have the np value
303 	phydev->shared->np = package_node;  in of_phy_package_join()
317  * was the last user of the shared data between the group, this data is
318  * freed. Resets the phydev->shared pointer to NULL.
322 	struct phy_package_shared *shared = phydev->shared;  in phy_package_leave()  local
325 	if (!shared)  in phy_package_leave()
329 	if (shared->np)  in phy_package_leave()
330 		of_node_put(shared->np);  in phy_package_leave()
332 	if (refcount_dec_and_mutex_lock(&shared->refcnt, &bus->shared_lock)) {  in phy_package_leave()
333 		bus->shared[shared->base_addr] = NULL;  in phy_package_leave()
335 		kfree(shared->priv);  in phy_package_leave()
336 		kfree(shared);  in phy_package_leave()
339 	phydev->shared = NULL;  in phy_package_leave()
356  * Managed phy_package_join(). Shared storage fetched by this function,
390  * Managed of_phy_package_join(). Shared storage fetched by this function,