20 	struct j1939_priv *priv = ecu->priv;  in __j1939_ecu_release()  local
24 	j1939_priv_put(priv);  in __j1939_ecu_release()
39 	struct j1939_priv *priv = ecu->priv;  in j1939_ecu_is_mapped_locked()  local
41 	lockdep_assert_held(&priv->lock);  in j1939_ecu_is_mapped_locked()
43 	return j1939_ecu_find_by_addr_locked(priv, ecu->addr) == ecu;  in j1939_ecu_is_mapped_locked()
50 	struct j1939_priv *priv = ecu->priv;  in j1939_ecu_map_locked()  local
53 	lockdep_assert_held(&priv->lock);  in j1939_ecu_map_locked()
58 	ent = &priv->ents[ecu->addr];  in j1939_ecu_map_locked()
61 …netdev_warn(priv->ndev, "Trying to map already mapped ECU, addr: 0x%02x, name: 0x%016llx. Skip it.…  in j1939_ecu_map_locked()
74 	struct j1939_priv *priv = ecu->priv;  in j1939_ecu_unmap_locked()  local
77 	lockdep_assert_held(&priv->lock);  in j1939_ecu_unmap_locked()
85 	ent = &priv->ents[ecu->addr];  in j1939_ecu_unmap_locked()
93 	write_lock_bh(&ecu->priv->lock);  in j1939_ecu_unmap()
95 	write_unlock_bh(&ecu->priv->lock);  in j1939_ecu_unmap()
98 void j1939_ecu_unmap_all(struct j1939_priv *priv)  in j1939_ecu_unmap_all()  argument
102 	write_lock_bh(&priv->lock);  in j1939_ecu_unmap_all()
103 	for (i = 0; i < ARRAY_SIZE(priv->ents); i++)  in j1939_ecu_unmap_all()
104 		if (priv->ents[i].ecu)  in j1939_ecu_unmap_all()
105 			j1939_ecu_unmap_locked(priv->ents[i].ecu);  in j1939_ecu_unmap_all()
106 	write_unlock_bh(&priv->lock);  in j1939_ecu_unmap_all()
131 	struct j1939_priv *priv = ecu->priv;  in j1939_ecu_timer_handler()  local
133 	write_lock_bh(&priv->lock);  in j1939_ecu_timer_handler()
143 	write_unlock_bh(&priv->lock);  in j1939_ecu_timer_handler()
148 struct j1939_ecu *j1939_ecu_create_locked(struct j1939_priv *priv, name_t name)  in j1939_ecu_create_locked()  argument
152 	lockdep_assert_held(&priv->lock);  in j1939_ecu_create_locked()
165 	j1939_priv_get(priv);  in j1939_ecu_create_locked()
166 	ecu->priv = priv;  in j1939_ecu_create_locked()
167 	list_add_tail(&ecu->list, &priv->ecus);  in j1939_ecu_create_locked()
172 struct j1939_ecu *j1939_ecu_find_by_addr_locked(struct j1939_priv *priv,  in j1939_ecu_find_by_addr_locked()  argument
175 	lockdep_assert_held(&priv->lock);  in j1939_ecu_find_by_addr_locked()
177 	return priv->ents[addr].ecu;  in j1939_ecu_find_by_addr_locked()
180 struct j1939_ecu *j1939_ecu_get_by_addr_locked(struct j1939_priv *priv, u8 addr)  in j1939_ecu_get_by_addr_locked()  argument
184 	lockdep_assert_held(&priv->lock);  in j1939_ecu_get_by_addr_locked()
189 	ecu = j1939_ecu_find_by_addr_locked(priv, addr);  in j1939_ecu_get_by_addr_locked()
196 struct j1939_ecu *j1939_ecu_get_by_addr(struct j1939_priv *priv, u8 addr)  in j1939_ecu_get_by_addr()  argument
200 	read_lock_bh(&priv->lock);  in j1939_ecu_get_by_addr()
201 	ecu = j1939_ecu_get_by_addr_locked(priv, addr);  in j1939_ecu_get_by_addr()
202 	read_unlock_bh(&priv->lock);  in j1939_ecu_get_by_addr()
208 static struct j1939_ecu *j1939_ecu_find_by_name_locked(struct j1939_priv *priv,  in j1939_ecu_find_by_name_locked()  argument
213 	lockdep_assert_held(&priv->lock);  in j1939_ecu_find_by_name_locked()
215 	list_for_each_entry(ecu, &priv->ecus, list) {  in j1939_ecu_find_by_name_locked()
223 struct j1939_ecu *j1939_ecu_get_by_name_locked(struct j1939_priv *priv,  in j1939_ecu_get_by_name_locked()  argument
228 	lockdep_assert_held(&priv->lock);  in j1939_ecu_get_by_name_locked()
233 	ecu = j1939_ecu_find_by_name_locked(priv, name);  in j1939_ecu_get_by_name_locked()
240 struct j1939_ecu *j1939_ecu_get_by_name(struct j1939_priv *priv, name_t name)  in j1939_ecu_get_by_name()  argument
244 	read_lock_bh(&priv->lock);  in j1939_ecu_get_by_name()
245 	ecu = j1939_ecu_get_by_name_locked(priv, name);  in j1939_ecu_get_by_name()
246 	read_unlock_bh(&priv->lock);  in j1939_ecu_get_by_name()
251 u8 j1939_name_to_addr(struct j1939_priv *priv, name_t name)  in j1939_name_to_addr()  argument
259 	read_lock_bh(&priv->lock);  in j1939_name_to_addr()
260 	ecu = j1939_ecu_find_by_name_locked(priv, name);  in j1939_name_to_addr()
265 	read_unlock_bh(&priv->lock);  in j1939_name_to_addr()
276 int j1939_local_ecu_get(struct j1939_priv *priv, name_t name, u8 sa)  in j1939_local_ecu_get()  argument
281 	write_lock_bh(&priv->lock);  in j1939_local_ecu_get()
284 		priv->ents[sa].nusers++;  in j1939_local_ecu_get()
289 	ecu = j1939_ecu_get_by_name_locked(priv, name);  in j1939_local_ecu_get()
291 		ecu = j1939_ecu_create_locked(priv, name);  in j1939_local_ecu_get()
300 		priv->ents[ecu->addr].nusers++;  in j1939_local_ecu_get()
303 	write_unlock_bh(&priv->lock);  in j1939_local_ecu_get()
308 void j1939_local_ecu_put(struct j1939_priv *priv, name_t name, u8 sa)  in j1939_local_ecu_put()  argument
312 	write_lock_bh(&priv->lock);  in j1939_local_ecu_put()
315 		priv->ents[sa].nusers--;  in j1939_local_ecu_put()
320 	ecu = j1939_ecu_find_by_name_locked(priv, name);  in j1939_local_ecu_put()
328 		priv->ents[ecu->addr].nusers--;  in j1939_local_ecu_put()
332 	write_unlock_bh(&priv->lock);  in j1939_local_ecu_put()