Lines Matching refs:bus
45 static int exynos_bus_##ops(struct exynos_bus *bus) \
49 for (i = 0; i < bus->edev_count; i++) { \
50 if (!bus->edev[i]) \
52 ret = devfreq_event_##ops(bus->edev[i]); \
63 static int exynos_bus_get_event(struct exynos_bus *bus, in exynos_bus_get_event() argument
70 for (i = 0; i < bus->edev_count; i++) { in exynos_bus_get_event()
71 if (!bus->edev[i]) in exynos_bus_get_event()
74 ret = devfreq_event_get_event(bus->edev[i], &event_data); in exynos_bus_get_event()
95 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_target() local
109 mutex_lock(&bus->lock); in exynos_bus_target()
112 bus->curr_freq = *freq; in exynos_bus_target()
114 mutex_unlock(&bus->lock); in exynos_bus_target()
122 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_get_dev_status() local
126 stat->current_frequency = bus->curr_freq; in exynos_bus_get_dev_status()
128 ret = exynos_bus_get_event(bus, &edata); in exynos_bus_get_dev_status()
135 stat->busy_time = (edata.load_count * 100) / bus->ratio; in exynos_bus_get_dev_status()
142 ret = exynos_bus_set_event(bus); in exynos_bus_get_dev_status()
153 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_exit() local
156 ret = exynos_bus_disable_edev(bus); in exynos_bus_exit()
160 platform_device_unregister(bus->icc_pdev); in exynos_bus_exit()
163 dev_pm_opp_put_regulators(bus->opp_token); in exynos_bus_exit()
168 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_passive_exit() local
170 platform_device_unregister(bus->icc_pdev); in exynos_bus_passive_exit()
176 struct exynos_bus *bus) in exynos_bus_parent_parse_of() argument
178 struct device *dev = bus->dev; in exynos_bus_parent_parse_of()
188 bus->opp_token = ret; in exynos_bus_parent_parse_of()
200 bus->edev_count = count; in exynos_bus_parent_parse_of()
202 size = sizeof(*bus->edev) * count; in exynos_bus_parent_parse_of()
203 bus->edev = devm_kzalloc(dev, size, GFP_KERNEL); in exynos_bus_parent_parse_of()
204 if (!bus->edev) { in exynos_bus_parent_parse_of()
210 bus->edev[i] = devfreq_event_get_edev_by_phandle(dev, in exynos_bus_parent_parse_of()
212 if (IS_ERR(bus->edev[i])) { in exynos_bus_parent_parse_of()
228 if (of_property_read_u32(np, "exynos,saturation-ratio", &bus->ratio)) in exynos_bus_parent_parse_of()
229 bus->ratio = DEFAULT_SATURATION_RATIO; in exynos_bus_parent_parse_of()
234 dev_pm_opp_put_regulators(bus->opp_token); in exynos_bus_parent_parse_of()
239 static int exynos_bus_parse_of(struct exynos_bus *bus) in exynos_bus_parse_of() argument
241 struct device *dev = bus->dev; in exynos_bus_parse_of()
247 bus->clk = devm_clk_get_enabled(dev, "bus"); in exynos_bus_parse_of()
248 if (IS_ERR(bus->clk)) in exynos_bus_parse_of()
249 return dev_err_probe(dev, PTR_ERR(bus->clk), in exynos_bus_parse_of()
259 rate = clk_get_rate(bus->clk); in exynos_bus_parse_of()
267 bus->curr_freq = dev_pm_opp_get_freq(opp); in exynos_bus_parse_of()
278 static int exynos_bus_profile_init(struct exynos_bus *bus, in exynos_bus_profile_init() argument
281 struct device *dev = bus->dev; in exynos_bus_profile_init()
299 bus->devfreq = devm_devfreq_add_device(dev, profile, in exynos_bus_profile_init()
302 if (IS_ERR(bus->devfreq)) { in exynos_bus_profile_init()
304 return PTR_ERR(bus->devfreq); in exynos_bus_profile_init()
308 ret = devm_devfreq_register_opp_notifier(dev, bus->devfreq); in exynos_bus_profile_init()
318 ret = exynos_bus_enable_edev(bus); in exynos_bus_profile_init()
324 ret = exynos_bus_set_event(bus); in exynos_bus_profile_init()
333 if (exynos_bus_disable_edev(bus)) in exynos_bus_profile_init()
339 static int exynos_bus_profile_init_passive(struct exynos_bus *bus, in exynos_bus_profile_init_passive() argument
342 struct device *dev = bus->dev; in exynos_bus_profile_init_passive()
362 bus->devfreq = devm_devfreq_add_device(dev, profile, DEVFREQ_GOV_PASSIVE, in exynos_bus_profile_init_passive()
364 if (IS_ERR(bus->devfreq)) { in exynos_bus_profile_init_passive()
367 return PTR_ERR(bus->devfreq); in exynos_bus_profile_init_passive()
378 struct exynos_bus *bus; in exynos_bus_probe() local
388 bus = devm_kzalloc(&pdev->dev, sizeof(*bus), GFP_KERNEL); in exynos_bus_probe()
389 if (!bus) in exynos_bus_probe()
391 mutex_init(&bus->lock); in exynos_bus_probe()
392 bus->dev = &pdev->dev; in exynos_bus_probe()
393 platform_set_drvdata(pdev, bus); in exynos_bus_probe()
404 ret = exynos_bus_parent_parse_of(np, bus); in exynos_bus_probe()
410 ret = exynos_bus_parse_of(bus); in exynos_bus_probe()
415 ret = exynos_bus_profile_init_passive(bus, profile); in exynos_bus_probe()
417 ret = exynos_bus_profile_init(bus, profile); in exynos_bus_probe()
424 bus->icc_pdev = platform_device_register_data( in exynos_bus_probe()
428 if (IS_ERR(bus->icc_pdev)) { in exynos_bus_probe()
429 ret = PTR_ERR(bus->icc_pdev); in exynos_bus_probe()
434 max_state = bus->devfreq->max_state; in exynos_bus_probe()
435 min_freq = (bus->devfreq->freq_table[0] / 1000); in exynos_bus_probe()
436 max_freq = (bus->devfreq->freq_table[max_state - 1] / 1000); in exynos_bus_probe()
445 dev_pm_opp_put_regulators(bus->opp_token); in exynos_bus_probe()
452 struct exynos_bus *bus = dev_get_drvdata(&pdev->dev); in exynos_bus_shutdown() local
454 devfreq_suspend_device(bus->devfreq); in exynos_bus_shutdown()
459 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_resume() local
462 ret = exynos_bus_enable_edev(bus); in exynos_bus_resume()
473 struct exynos_bus *bus = dev_get_drvdata(dev); in exynos_bus_suspend() local
476 ret = exynos_bus_disable_edev(bus); in exynos_bus_suspend()