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Message-Id: <4623510dc596f65502c44f2879c9cc5dd650dbd3.1656935522.git.viresh.kumar@linaro.org>
Date: Mon, 4 Jul 2022 17:37:42 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Ilia Lin <ilia.lin@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Viresh Kumar <viresh.kumar@...aro.org>
Cc: linux-pm@...r.kernel.org,
Vincent Guittot <vincent.guittot@...aro.org>,
Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V3 04/20] cpufreq: qcom-nvmem: Migrate to dev_pm_opp_set_config()
The OPP core now provides a unified API for setting all configuration
types, i.e. dev_pm_opp_set_config().
Lets start using it.
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
drivers/cpufreq/qcom-cpufreq-nvmem.c | 109 +++++++--------------------
1 file changed, 28 insertions(+), 81 deletions(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index 6dfa86971a75..863548f59c3e 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -55,9 +55,7 @@ struct qcom_cpufreq_match_data {
};
struct qcom_cpufreq_drv {
- struct opp_table **names_opp_tables;
- struct opp_table **hw_opp_tables;
- struct opp_table **genpd_opp_tables;
+ int *opp_tokens;
u32 versions;
const struct qcom_cpufreq_match_data *data;
};
@@ -315,72 +313,43 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
}
of_node_put(np);
- drv->names_opp_tables = kcalloc(num_possible_cpus(),
- sizeof(*drv->names_opp_tables),
+ drv->opp_tokens = kcalloc(num_possible_cpus(), sizeof(*drv->opp_tokens),
GFP_KERNEL);
- if (!drv->names_opp_tables) {
+ if (!drv->opp_tokens) {
ret = -ENOMEM;
goto free_drv;
}
- drv->hw_opp_tables = kcalloc(num_possible_cpus(),
- sizeof(*drv->hw_opp_tables),
- GFP_KERNEL);
- if (!drv->hw_opp_tables) {
- ret = -ENOMEM;
- goto free_opp_names;
- }
-
- drv->genpd_opp_tables = kcalloc(num_possible_cpus(),
- sizeof(*drv->genpd_opp_tables),
- GFP_KERNEL);
- if (!drv->genpd_opp_tables) {
- ret = -ENOMEM;
- goto free_opp;
- }
for_each_possible_cpu(cpu) {
+ struct dev_pm_opp_config config = {
+ .supported_hw = NULL,
+ };
+
cpu_dev = get_cpu_device(cpu);
if (NULL == cpu_dev) {
ret = -ENODEV;
- goto free_genpd_opp;
+ goto free_opp;
}
if (drv->data->get_version) {
+ config.supported_hw = &drv->versions;
+ config.supported_hw_count = 1;
- if (pvs_name) {
- drv->names_opp_tables[cpu] = dev_pm_opp_set_prop_name(
- cpu_dev,
- pvs_name);
- if (IS_ERR(drv->names_opp_tables[cpu])) {
- ret = PTR_ERR(drv->names_opp_tables[cpu]);
- dev_err(cpu_dev, "Failed to add OPP name %s\n",
- pvs_name);
- goto free_opp;
- }
- }
-
- drv->hw_opp_tables[cpu] = dev_pm_opp_set_supported_hw(
- cpu_dev, &drv->versions, 1);
- if (IS_ERR(drv->hw_opp_tables[cpu])) {
- ret = PTR_ERR(drv->hw_opp_tables[cpu]);
- dev_err(cpu_dev,
- "Failed to set supported hardware\n");
- goto free_genpd_opp;
- }
+ if (pvs_name)
+ config.prop_name = pvs_name;
}
if (drv->data->genpd_names) {
- drv->genpd_opp_tables[cpu] =
- dev_pm_opp_attach_genpd(cpu_dev,
- drv->data->genpd_names,
- NULL);
- if (IS_ERR(drv->genpd_opp_tables[cpu])) {
- ret = PTR_ERR(drv->genpd_opp_tables[cpu]);
- if (ret != -EPROBE_DEFER)
- dev_err(cpu_dev,
- "Could not attach to pm_domain: %d\n",
- ret);
- goto free_genpd_opp;
+ config.genpd_names = drv->data->genpd_names;
+ config.virt_devs = NULL;
+ }
+
+ if (config.supported_hw || config.genpd_names) {
+ drv->opp_tokens[cpu] = dev_pm_opp_set_config(cpu_dev, &config);
+ if (drv->opp_tokens[cpu] < 0) {
+ ret = drv->opp_tokens[cpu];
+ dev_err(cpu_dev, "Failed to set OPP config\n");
+ goto free_opp;
}
}
}
@@ -395,27 +364,10 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
ret = PTR_ERR(cpufreq_dt_pdev);
dev_err(cpu_dev, "Failed to register platform device\n");
-free_genpd_opp:
- for_each_possible_cpu(cpu) {
- if (IS_ERR(drv->genpd_opp_tables[cpu]))
- break;
- dev_pm_opp_detach_genpd(drv->genpd_opp_tables[cpu]);
- }
- kfree(drv->genpd_opp_tables);
free_opp:
- for_each_possible_cpu(cpu) {
- if (IS_ERR(drv->names_opp_tables[cpu]))
- break;
- dev_pm_opp_put_prop_name(drv->names_opp_tables[cpu]);
- }
- for_each_possible_cpu(cpu) {
- if (IS_ERR(drv->hw_opp_tables[cpu]))
- break;
- dev_pm_opp_put_supported_hw(drv->hw_opp_tables[cpu]);
- }
- kfree(drv->hw_opp_tables);
-free_opp_names:
- kfree(drv->names_opp_tables);
+ for_each_possible_cpu(cpu)
+ dev_pm_opp_clear_config(drv->opp_tokens[cpu]);
+ kfree(drv->opp_tokens);
free_drv:
kfree(drv);
@@ -429,15 +381,10 @@ static int qcom_cpufreq_remove(struct platform_device *pdev)
platform_device_unregister(cpufreq_dt_pdev);
- for_each_possible_cpu(cpu) {
- dev_pm_opp_put_supported_hw(drv->names_opp_tables[cpu]);
- dev_pm_opp_put_supported_hw(drv->hw_opp_tables[cpu]);
- dev_pm_opp_detach_genpd(drv->genpd_opp_tables[cpu]);
- }
+ for_each_possible_cpu(cpu)
+ dev_pm_opp_clear_config(drv->opp_tokens[cpu]);
- kfree(drv->names_opp_tables);
- kfree(drv->hw_opp_tables);
- kfree(drv->genpd_opp_tables);
+ kfree(drv->opp_tokens);
kfree(drv);
return 0;
--
2.31.1.272.g89b43f80a514
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