26 	struct device *dev;  member
93 static int exynos_bus_target(struct device *dev, unsigned long *freq, u32 flags)  in exynos_bus_target()  argument
95 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_target()
100 	new_opp = devfreq_recommended_opp(dev, freq, flags);  in exynos_bus_target()
102 		dev_err(dev, "failed to get recommended opp instance\n");  in exynos_bus_target()
110 	ret = dev_pm_opp_set_rate(dev, *freq);  in exynos_bus_target()
119 static int exynos_bus_get_dev_status(struct device *dev,  in exynos_bus_get_dev_status()  argument
122 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_get_dev_status()
130 		dev_err(dev, "failed to get event from devfreq-event devices\n");  in exynos_bus_get_dev_status()
138 	dev_dbg(dev, "Usage of devfreq-event : %lu/%lu\n", stat->busy_time,  in exynos_bus_get_dev_status()
144 		dev_err(dev, "failed to set event to devfreq-event devices\n");  in exynos_bus_get_dev_status()
151 static void exynos_bus_exit(struct device *dev)  in exynos_bus_exit()  argument
153 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_exit()
158 		dev_warn(dev, "failed to disable the devfreq-event devices\n");  in exynos_bus_exit()
162 	dev_pm_opp_of_remove_table(dev);  in exynos_bus_exit()
167 static void exynos_bus_passive_exit(struct device *dev)  in exynos_bus_passive_exit()  argument
169 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_passive_exit()
173 	dev_pm_opp_of_remove_table(dev);  in exynos_bus_passive_exit()
180 	struct device *dev = bus->dev;  in exynos_bus_parent_parse_of()  local
184 	ret = dev_pm_opp_set_regulators(dev, supplies);  in exynos_bus_parent_parse_of()
186 		dev_err(dev, "failed to set regulators %d\n", ret);  in exynos_bus_parent_parse_of()
196 	count = devfreq_event_get_edev_count(dev, "devfreq-events");  in exynos_bus_parent_parse_of()
198 		dev_err(dev, "failed to get the count of devfreq-event dev\n");  in exynos_bus_parent_parse_of()
205 	bus->edev = devm_kzalloc(dev, size, GFP_KERNEL);  in exynos_bus_parent_parse_of()
212 		bus->edev[i] = devfreq_event_get_edev_by_phandle(dev,  in exynos_bus_parent_parse_of()
244 	struct device *dev = bus->dev;  in exynos_bus_parse_of()  local
250 	bus->clk = devm_clk_get(dev, "bus");  in exynos_bus_parse_of()
252 		dev_err(dev, "failed to get bus clock\n");  in exynos_bus_parse_of()
258 		dev_err(dev, "failed to get enable clock\n");  in exynos_bus_parse_of()
263 	ret = dev_pm_opp_of_add_table(dev);  in exynos_bus_parse_of()
265 		dev_err(dev, "failed to get OPP table\n");  in exynos_bus_parse_of()
271 	opp = devfreq_recommended_opp(dev, &rate, 0);  in exynos_bus_parse_of()
273 		dev_err(dev, "failed to find dev_pm_opp\n");  in exynos_bus_parse_of()
283 	dev_pm_opp_of_remove_table(dev);  in exynos_bus_parse_of()
293 	struct device *dev = bus->dev;  in exynos_bus_profile_init()  local
303 	ondemand_data = devm_kzalloc(dev, sizeof(*ondemand_data), GFP_KERNEL);  in exynos_bus_profile_init()
311 	bus->devfreq = devm_devfreq_add_device(dev, profile,  in exynos_bus_profile_init()
315 		dev_err(dev, "failed to add devfreq device\n");  in exynos_bus_profile_init()
320 	ret = devm_devfreq_register_opp_notifier(dev, bus->devfreq);  in exynos_bus_profile_init()
322 		dev_err(dev, "failed to register opp notifier\n");  in exynos_bus_profile_init()
332 		dev_err(dev, "failed to enable devfreq-event devices\n");  in exynos_bus_profile_init()
338 		dev_err(dev, "failed to set event to devfreq-event devices\n");  in exynos_bus_profile_init()
346 		dev_warn(dev, "failed to disable the devfreq-event devices\n");  in exynos_bus_profile_init()
354 	struct device *dev = bus->dev;  in exynos_bus_profile_init_passive()  local
363 	parent_devfreq = devfreq_get_devfreq_by_phandle(dev, "devfreq", 0);  in exynos_bus_profile_init_passive()
367 	passive_data = devm_kzalloc(dev, sizeof(*passive_data), GFP_KERNEL);  in exynos_bus_profile_init_passive()
374 	bus->devfreq = devm_devfreq_add_device(dev, profile, DEVFREQ_GOV_PASSIVE,  in exynos_bus_profile_init_passive()
377 		dev_err(dev,  in exynos_bus_profile_init_passive()
387 	struct device *dev = &pdev->dev;  in exynos_bus_probe()  local
388 	struct device_node *np = dev->of_node, *node;  in exynos_bus_probe()
396 		dev_err(dev, "failed to find devicetree node\n");  in exynos_bus_probe()
400 	bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL);  in exynos_bus_probe()
404 	bus->dev = &pdev->dev;  in exynos_bus_probe()
407 	profile = devm_kzalloc(dev, sizeof(*profile), GFP_KERNEL);  in exynos_bus_probe()
411 	node = of_parse_phandle(dev->of_node, "devfreq", 0);  in exynos_bus_probe()
435 	if (of_property_present(dev->of_node, "#interconnect-cells")) {  in exynos_bus_probe()
437 						dev, "exynos-generic-icc",  in exynos_bus_probe()
450 			dev_name(dev), min_freq, max_freq);  in exynos_bus_probe()
455 	dev_pm_opp_of_remove_table(dev);  in exynos_bus_probe()
465 	struct exynos_bus *bus = dev_get_drvdata(&pdev->dev);  in exynos_bus_shutdown()
471 static int exynos_bus_resume(struct device *dev)  in exynos_bus_resume()  argument
473 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_resume()
478 		dev_err(dev, "failed to enable the devfreq-event devices\n");  in exynos_bus_resume()
485 static int exynos_bus_suspend(struct device *dev)  in exynos_bus_suspend()  argument
487 	struct exynos_bus *bus = dev_get_drvdata(dev);  in exynos_bus_suspend()
492 		dev_err(dev, "failed to disable the devfreq-event devices\n");  in exynos_bus_suspend()