Lines Matching +full:opp +full:- +full:table
1 // SPDX-License-Identifier: GPL-2.0-only
19 = (struct devfreq_passive_data *)devfreq->data; in devfreq_passive_get_target_freq()
20 struct devfreq *parent_devfreq = (struct devfreq *)p_data->parent; in devfreq_passive_get_target_freq()
22 struct dev_pm_opp *opp; in devfreq_passive_get_target_freq() local
30 if (p_data->get_target_freq) { in devfreq_passive_get_target_freq()
31 ret = p_data->get_target_freq(devfreq, freq); in devfreq_passive_get_target_freq()
36 * If the parent and passive devfreq device uses the OPP table, in devfreq_passive_get_target_freq()
37 * get the next frequency by using the OPP table. in devfreq_passive_get_target_freq()
41 * - parent devfreq device uses the governors except for passive. in devfreq_passive_get_target_freq()
42 * - passive devfreq device uses the passive governor. in devfreq_passive_get_target_freq()
44 * Each devfreq has the OPP table. After deciding the new frequency in devfreq_passive_get_target_freq()
46 * need to get the index of new frequency on OPP table of parent in devfreq_passive_get_target_freq()
50 if (!devfreq->profile || !devfreq->profile->freq_table in devfreq_passive_get_target_freq()
51 || devfreq->profile->max_state <= 0) in devfreq_passive_get_target_freq()
52 return -EINVAL; in devfreq_passive_get_target_freq()
55 * The passive governor have to get the correct frequency from OPP in devfreq_passive_get_target_freq()
59 opp = devfreq_recommended_opp(parent_devfreq->dev.parent, freq, 0); in devfreq_passive_get_target_freq()
60 if (IS_ERR(opp)) { in devfreq_passive_get_target_freq()
61 ret = PTR_ERR(opp); in devfreq_passive_get_target_freq()
65 dev_pm_opp_put(opp); in devfreq_passive_get_target_freq()
68 * Get the OPP table's index of decided freqeuncy by governor in devfreq_passive_get_target_freq()
71 for (i = 0; i < parent_devfreq->profile->max_state; i++) in devfreq_passive_get_target_freq()
72 if (parent_devfreq->profile->freq_table[i] == *freq) in devfreq_passive_get_target_freq()
75 if (i == parent_devfreq->profile->max_state) { in devfreq_passive_get_target_freq()
76 ret = -EINVAL; in devfreq_passive_get_target_freq()
81 if (i < devfreq->profile->max_state) { in devfreq_passive_get_target_freq()
82 child_freq = devfreq->profile->freq_table[i]; in devfreq_passive_get_target_freq()
84 count = devfreq->profile->max_state; in devfreq_passive_get_target_freq()
85 child_freq = devfreq->profile->freq_table[count - 1]; in devfreq_passive_get_target_freq()
99 if (!devfreq->governor) in update_devfreq_passive()
100 return -EINVAL; in update_devfreq_passive()
102 mutex_lock_nested(&devfreq->lock, SINGLE_DEPTH_NESTING); in update_devfreq_passive()
104 ret = devfreq->governor->get_target_freq(devfreq, &freq); in update_devfreq_passive()
108 ret = devfreq->profile->target(devfreq->dev.parent, &freq, 0); in update_devfreq_passive()
112 if (devfreq->profile->freq_table in update_devfreq_passive()
114 dev_err(&devfreq->dev, in update_devfreq_passive()
117 devfreq->previous_freq = freq; in update_devfreq_passive()
120 mutex_unlock(&devfreq->lock); in update_devfreq_passive()
130 struct devfreq *devfreq = (struct devfreq *)data->this; in devfreq_passive_notifier_call()
131 struct devfreq *parent = (struct devfreq *)data->parent; in devfreq_passive_notifier_call()
133 unsigned long freq = freqs->new; in devfreq_passive_notifier_call()
137 if (parent->previous_freq > freq) in devfreq_passive_notifier_call()
141 if (parent->previous_freq < freq) in devfreq_passive_notifier_call()
153 = (struct devfreq_passive_data *)devfreq->data; in devfreq_passive_event_handler()
154 struct devfreq *parent = (struct devfreq *)p_data->parent; in devfreq_passive_event_handler()
155 struct notifier_block *nb = &p_data->nb; in devfreq_passive_event_handler()
159 return -EPROBE_DEFER; in devfreq_passive_event_handler()
163 if (!p_data->this) in devfreq_passive_event_handler()
164 p_data->this = devfreq; in devfreq_passive_event_handler()
166 nb->notifier_call = devfreq_passive_notifier_call; in devfreq_passive_event_handler()