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Date: Tue, 11 Apr 2017 10:35:13 -0700
From: Eduardo Valentin <edubezval@...il.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Rafael Wysocki <rjw@...ysocki.net>,
Javi Merino <javi.merino@...nel.org>,
Zhang Rui <rui.zhang@...el.com>,
Amit Daniel Kachhap <amit.kachhap@...il.com>,
linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org,
Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 04/17] thermal: cpu_cooling: replace cool_dev with cdev
On Thu, Mar 16, 2017 at 10:59:39AM +0530, Viresh Kumar wrote:
> Objects of "struct thermal_cooling_device" are named a bit
> inconsistently. Lets use cdev everywhere.
In this case, cpufreq_cdev is best option on patch 3. Too bad we lost
the "cool" dev here :-)
>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> ---
> drivers/thermal/cpu_cooling.c | 36 ++++++++++++++++++------------------
> 1 file changed, 18 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
> index 7a19033d7f79..e2931c20c309 100644
> --- a/drivers/thermal/cpu_cooling.c
> +++ b/drivers/thermal/cpu_cooling.c
> @@ -65,7 +65,7 @@ struct power_table {
> * struct cpufreq_cooling_device - data for cooling device with cpufreq
> * @id: unique integer value corresponding to each cpufreq_cooling_device
> * registered.
> - * @cool_dev: thermal_cooling_device pointer to keep track of the
> + * @cdev: thermal_cooling_device pointer to keep track of the
> * registered cooling device.
> * @cpufreq_state: integer value representing the current state of cpufreq
> * cooling devices.
> @@ -90,7 +90,7 @@ struct power_table {
> */
> struct cpufreq_cooling_device {
> int id;
> - struct thermal_cooling_device *cool_dev;
> + struct thermal_cooling_device *cdev;
> unsigned int cpufreq_state;
> unsigned int clipped_freq;
> unsigned int max_level;
> @@ -243,7 +243,7 @@ static int build_dyn_power_table(struct cpufreq_cooling_device *cpufreq_dev,
> for_each_cpu(cpu, &cpufreq_dev->allowed_cpus) {
> dev = get_cpu_device(cpu);
> if (!dev) {
> - dev_warn(&cpufreq_dev->cool_dev->device,
> + dev_warn(&cpufreq_dev->cdev->device,
> "No cpu device for cpu %d\n", cpu);
> continue;
> }
> @@ -770,7 +770,7 @@ __cpufreq_cooling_register(struct device_node *np,
> get_static_t plat_static_func)
> {
> struct cpufreq_policy *policy;
> - struct thermal_cooling_device *cool_dev;
> + struct thermal_cooling_device *cdev;
> struct cpufreq_cooling_device *cpufreq_dev;
> char dev_name[THERMAL_NAME_LENGTH];
> struct cpufreq_frequency_table *pos, *table;
> @@ -786,20 +786,20 @@ __cpufreq_cooling_register(struct device_node *np,
> policy = cpufreq_cpu_get(cpumask_first(temp_mask));
> if (!policy) {
> pr_debug("%s: CPUFreq policy not found\n", __func__);
> - cool_dev = ERR_PTR(-EPROBE_DEFER);
> + cdev = ERR_PTR(-EPROBE_DEFER);
> goto free_cpumask;
> }
>
> table = policy->freq_table;
> if (!table) {
> pr_debug("%s: CPUFreq table not found\n", __func__);
> - cool_dev = ERR_PTR(-ENODEV);
> + cdev = ERR_PTR(-ENODEV);
> goto put_policy;
> }
>
> cpufreq_dev = kzalloc(sizeof(*cpufreq_dev), GFP_KERNEL);
> if (!cpufreq_dev) {
> - cool_dev = ERR_PTR(-ENOMEM);
> + cdev = ERR_PTR(-ENOMEM);
> goto put_policy;
> }
>
> @@ -808,7 +808,7 @@ __cpufreq_cooling_register(struct device_node *np,
> sizeof(*cpufreq_dev->time_in_idle),
> GFP_KERNEL);
> if (!cpufreq_dev->time_in_idle) {
> - cool_dev = ERR_PTR(-ENOMEM);
> + cdev = ERR_PTR(-ENOMEM);
> goto free_cdev;
> }
>
> @@ -816,7 +816,7 @@ __cpufreq_cooling_register(struct device_node *np,
> kcalloc(num_cpus, sizeof(*cpufreq_dev->time_in_idle_timestamp),
> GFP_KERNEL);
> if (!cpufreq_dev->time_in_idle_timestamp) {
> - cool_dev = ERR_PTR(-ENOMEM);
> + cdev = ERR_PTR(-ENOMEM);
> goto free_time_in_idle;
> }
>
> @@ -827,7 +827,7 @@ __cpufreq_cooling_register(struct device_node *np,
> cpufreq_dev->freq_table = kmalloc(sizeof(*cpufreq_dev->freq_table) *
> cpufreq_dev->max_level, GFP_KERNEL);
> if (!cpufreq_dev->freq_table) {
> - cool_dev = ERR_PTR(-ENOMEM);
> + cdev = ERR_PTR(-ENOMEM);
> goto free_time_in_idle_timestamp;
> }
>
> @@ -841,7 +841,7 @@ __cpufreq_cooling_register(struct device_node *np,
>
> ret = build_dyn_power_table(cpufreq_dev, capacitance);
> if (ret) {
> - cool_dev = ERR_PTR(ret);
> + cdev = ERR_PTR(ret);
> goto free_table;
> }
>
> @@ -852,7 +852,7 @@ __cpufreq_cooling_register(struct device_node *np,
>
> ret = ida_simple_get(&cpufreq_ida, 0, 0, GFP_KERNEL);
> if (ret < 0) {
> - cool_dev = ERR_PTR(ret);
> + cdev = ERR_PTR(ret);
> goto free_power_table;
> }
> cpufreq_dev->id = ret;
> @@ -872,13 +872,13 @@ __cpufreq_cooling_register(struct device_node *np,
> snprintf(dev_name, sizeof(dev_name), "thermal-cpufreq-%d",
> cpufreq_dev->id);
>
> - cool_dev = thermal_of_cooling_device_register(np, dev_name, cpufreq_dev,
> - cooling_ops);
> - if (IS_ERR(cool_dev))
> + cdev = thermal_of_cooling_device_register(np, dev_name, cpufreq_dev,
> + cooling_ops);
> + if (IS_ERR(cdev))
> goto remove_ida;
>
> cpufreq_dev->clipped_freq = cpufreq_dev->freq_table[0];
> - cpufreq_dev->cool_dev = cool_dev;
> + cpufreq_dev->cdev = cdev;
>
> mutex_lock(&cooling_list_lock);
> list_add(&cpufreq_dev->node, &cpufreq_dev_list);
> @@ -907,7 +907,7 @@ __cpufreq_cooling_register(struct device_node *np,
> cpufreq_cpu_put(policy);
> free_cpumask:
> free_cpumask_var(temp_mask);
> - return cool_dev;
> + return cdev;
> }
>
> /**
> @@ -1043,7 +1043,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
> list_del(&cpufreq_dev->node);
> mutex_unlock(&cooling_list_lock);
>
> - thermal_cooling_device_unregister(cpufreq_dev->cool_dev);
> + thermal_cooling_device_unregister(cpufreq_dev->cdev);
> ida_simple_remove(&cpufreq_ida, cpufreq_dev->id);
> kfree(cpufreq_dev->dyn_power_table);
> kfree(cpufreq_dev->time_in_idle_timestamp);
> --
> 2.7.1.410.g6faf27b
>
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