Lines Matching refs:dca
13 #include <linux/dca.h>
79 struct dca_provider *dca, *_dca;
99 list_for_each_entry_safe(dca, _dca, &domain->dca_providers, node)
100 list_move(&dca->node, &unregistered_providers);
106 list_for_each_entry_safe(dca, _dca, &unregistered_providers, node) {
107 dca_sysfs_remove_provider(dca);
108 list_del(&dca->node);
141 struct dca_provider *dca;
159 list_for_each_entry(dca, &domain->dca_providers, node)
160 if ((!dev) || (dca->ops->dev_managed(dca, dev)))
161 return dca;
167 * dca_add_requester - add a dca client to the list
168 * @dev - the device that wants dca service
172 struct dca_provider *dca;
184 dca = dca_find_provider_by_dev(dev);
185 if (dca) {
197 list_for_each_entry(dca, &domain->dca_providers, node) {
198 slot = dca->ops->add_requester(dca, dev);
208 err = dca_sysfs_add_req(dca, dev, slot);
211 if (dca == dca_find_provider_by_dev(dev))
212 dca->ops->remove_requester(dca, dev);
222 * dca_remove_requester - remove a dca client from the list
223 * @dev - the device that wants dca service
227 struct dca_provider *dca;
235 dca = dca_find_provider_by_dev(dev);
236 if (!dca) {
240 slot = dca->ops->remove_requester(dca, dev);
246 dca_sysfs_remove_req(dca, slot);
253 * dca_common_get_tag - return the dca tag (serves both new and old api)
254 * @dev - the device that wants dca service
259 struct dca_provider *dca;
265 dca = dca_find_provider_by_dev(dev);
266 if (!dca) {
270 tag = dca->ops->get_tag(dca, dev, cpu);
277 * dca3_get_tag - return the dca tag to the requester device
279 * @dev - the device that wants dca service
292 * dca_get_tag - return the dca tag for the given cpu (old api)
304 * alloc_dca_provider - get data struct for describing a dca provider
305 * @ops - pointer to struct of dca operation function pointers
311 struct dca_provider *dca;
314 alloc_size = (sizeof(*dca) + priv_size);
315 dca = kzalloc(alloc_size, GFP_KERNEL);
316 if (!dca)
318 dca->ops = ops;
320 return dca;
325 * free_dca_provider - release the dca provider data struct
326 * @ops - pointer to struct of dca operation function pointers
329 void free_dca_provider(struct dca_provider *dca)
331 kfree(dca);
336 * register_dca_provider - register a dca provider
337 * @dca - struct created by alloc_dca_provider()
338 * @dev - device providing dca services
340 int register_dca_provider(struct dca_provider *dca, struct device *dev)
353 err = dca_sysfs_add_provider(dca, dev);
364 dca_sysfs_remove_provider(dca);
383 list_add(&dca->node, &domain->dca_providers);
394 * unregister_dca_provider - remove a dca provider
395 * @dca - struct created by alloc_dca_provider()
397 void unregister_dca_provider(struct dca_provider *dca, struct device *dev)
413 list_del(&dca->node);
422 dca_sysfs_remove_provider(dca);
446 pr_info("dca service started, version %s\n", DCA_VERSION);