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cpufreq: cpufreq register notify for cluster0 [1/1]

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PD#SWPL-7707

Problem:
cpufreq register notify for cluster0 

Solution:
cpufreq register notify for cluster0 

Verify:
test pass on g12b_w400

Change-Id: Ia57f320528082c9824dd96f17714d8e636519bb4
Signed-off-by: Hong Guo <hong.guo@amlogic.com>
This commit is contained in:
Hong Guo
2019-04-24 14:02:01 +08:00
committed by Luan Yuan
parent 51000ac0e1
commit 68a36a1938
1 changed files with 29 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/amlogic/cpufreq/meson-cpufreq.c
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@@ -261,10 +261,12 @@ static int meson_cpufreq_set_target(struct cpufreq_policy *policy,
}
}
freqs.old = freq_old / 1000;
freqs.new = freq_new / 1000;
if (cur_cluster == 0) {
freqs.old = freq_old / 1000;
freqs.new = freq_new / 1000;
cpufreq_freq_transition_begin(policy, &freqs);
}
/*scale clock frequency*/
cpufreq_freq_transition_begin(policy, &freqs);
ret = meson_cpufreq_set_rate(policy, cur_cluster,
freq_new / 1000);
if (ret) {
@@ -277,7 +279,9 @@ static int meson_cpufreq_set_target(struct cpufreq_policy *policy,
}
return ret;
}
cpufreq_freq_transition_end(policy, &freqs, ret);
if (cur_cluster == 0)
cpufreq_freq_transition_end(policy, &freqs, ret);
/*cpufreq down,change voltage after frequency*/
if (freq_new < freq_old) {
ret = meson_regulator_set_volate(cpu_reg, volt_old,
@@ -285,12 +289,17 @@ static int meson_cpufreq_set_target(struct cpufreq_policy *policy,
if (ret) {
pr_err("failed to scale volt %u %u down: %d\n",
volt_new, volt_tol, ret);
freqs.old = freq_new / 1000;
freqs.new = freq_old / 1000;
cpufreq_freq_transition_begin(policy, &freqs);
if (cur_cluster == 0) {
freqs.old = freq_new / 1000;
freqs.new = freq_old / 1000;
cpufreq_freq_transition_begin(policy, &freqs);
}
ret = meson_cpufreq_set_rate(policy, cur_cluster,
freq_old / 1000);
cpufreq_freq_transition_end(policy, &freqs, ret);
if (cur_cluster == 0)
cpufreq_freq_transition_end(policy,
&freqs, ret);
}
}
@@ -565,13 +574,15 @@ static int meson_cpufreq_init(struct cpufreq_policy *policy)
if (of_property_read_u32(np, "clock-latency", &transition_latency))
policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
if (cur_cluster == 0) {
cpufreq_data->freq_transition = meson_cpufreq_notifier_block;
cpufreq_data->freq_transition = meson_cpufreq_notifier_block;
ret = cpufreq_register_notifier(&cpufreq_data->freq_transition,
CPUFREQ_TRANSITION_NOTIFIER);
if (ret) {
dev_err(cpu_dev, "failed to register cpufreq notifier!\n");
goto fail_cpufreq_unregister;
ret = cpufreq_register_notifier(&cpufreq_data->freq_transition,
CPUFREQ_TRANSITION_NOTIFIER);
if (ret) {
dev_err(cpu_dev, "failed to register cpufreq notifier!\n");
goto fail_cpufreq_unregister;
}
}
cpufreq_data->cpu_dev = cpu_dev;
@@ -600,6 +611,7 @@ static int meson_cpufreq_init(struct cpufreq_policy *policy)
dev_info(cpu_dev, "%s: CPU %d initialized\n", __func__, policy->cpu);
return ret;
fail_cpufreq_unregister:
if (cur_cluster == 0)
cpufreq_unregister_notifier(&cpufreq_data->freq_transition,
CPUFREQ_TRANSITION_NOTIFIER);
free_opp_table:
@@ -642,6 +654,9 @@ static int meson_cpufreq_exit(struct cpufreq_policy *policy)
policy->cpu);
return -ENODEV;
}
if (cur_cluster == 0)
cpufreq_unregister_notifier(&cpufreq_data->freq_transition,
CPUFREQ_TRANSITION_NOTIFIER);
if (policy->freq_table != NULL) {
dev_pm_opp_free_cpufreq_table(cpu_dev,