diff mbox series

[3/8] thermal/drivers/cpu_cooling: Remove pointless field

Message ID 1516721671-16360-4-git-send-email-daniel.lezcano@linaro.org
State Superseded
Headers show
Series CPU cooling device new strategies | expand

Commit Message

Daniel Lezcano Jan. 23, 2018, 3:34 p.m. UTC
The structure cpufreq_cooling_device provides a backpointer to the thermal
device but this one is used for a trace and to unregister. For the trace,
we don't really need this field and the unregister function as the same
pointer passed as parameter. Remove it.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

---
 drivers/thermal/cpu_cooling.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

-- 
2.7.4

Comments

Viresh Kumar Jan. 31, 2018, 5:20 a.m. UTC | #1
On 23-01-18, 16:34, Daniel Lezcano wrote:
> The structure cpufreq_cooling_device provides a backpointer to the thermal

> device but this one is used for a trace and to unregister. For the trace,

> we don't really need this field and the unregister function as the same

> pointer passed as parameter. Remove it.

> 

> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

> ---

>  drivers/thermal/cpu_cooling.c | 7 ++-----

>  1 file changed, 2 insertions(+), 5 deletions(-)

> 

> diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c

> index e62be75..d05bb73 100644

> --- a/drivers/thermal/cpu_cooling.c

> +++ b/drivers/thermal/cpu_cooling.c

> @@ -88,7 +88,6 @@ struct cpufreq_cooling_device {

>  	unsigned int clipped_freq;

>  	unsigned int max_level;

>  	struct freq_table *freq_table;	/* In descending order */

> -	struct thermal_cooling_device *cdev;

>  	struct cpufreq_policy *policy;

>  	struct list_head node;

>  	struct time_in_idle *idle_time;

> @@ -197,8 +196,7 @@ static int update_freq_table(struct cpufreq_cooling_device *cpufreq_cdev,

>  

>  	dev = get_cpu_device(cpu);

>  	if (unlikely(!dev)) {

> -		dev_warn(&cpufreq_cdev->cdev->device,

> -			 "No cpu device for cpu %d\n", cpu);

> +		pr_warn("No cpu device for cpu %d\n", cpu);

>  		return -ENODEV;

>  	}

>  

> @@ -762,7 +760,6 @@ __cpufreq_cooling_register(struct device_node *np,

>  		goto remove_ida;

>  

>  	cpufreq_cdev->clipped_freq = cpufreq_cdev->freq_table[0].frequency;

> -	cpufreq_cdev->cdev = cdev;

>  

>  	mutex_lock(&cooling_list_lock);

>  	/* Register the notifier for first cpufreq cooling device */

> @@ -922,7 +919,7 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)

>  		cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block,

>  					    CPUFREQ_POLICY_NOTIFIER);

>  

> -	thermal_cooling_device_unregister(cpufreq_cdev->cdev);

> +	thermal_cooling_device_unregister(cdev);

>  	ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id);

>  	kfree(cpufreq_cdev->idle_time);

>  	kfree(cpufreq_cdev->freq_table);


Acked-by: Viresh Kumar <viresh.kumar@linaro.org>


-- 
viresh
diff mbox series

Patch

diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index e62be75..d05bb73 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -88,7 +88,6 @@  struct cpufreq_cooling_device {
 	unsigned int clipped_freq;
 	unsigned int max_level;
 	struct freq_table *freq_table;	/* In descending order */
-	struct thermal_cooling_device *cdev;
 	struct cpufreq_policy *policy;
 	struct list_head node;
 	struct time_in_idle *idle_time;
@@ -197,8 +196,7 @@  static int update_freq_table(struct cpufreq_cooling_device *cpufreq_cdev,
 
 	dev = get_cpu_device(cpu);
 	if (unlikely(!dev)) {
-		dev_warn(&cpufreq_cdev->cdev->device,
-			 "No cpu device for cpu %d\n", cpu);
+		pr_warn("No cpu device for cpu %d\n", cpu);
 		return -ENODEV;
 	}
 
@@ -762,7 +760,6 @@  __cpufreq_cooling_register(struct device_node *np,
 		goto remove_ida;
 
 	cpufreq_cdev->clipped_freq = cpufreq_cdev->freq_table[0].frequency;
-	cpufreq_cdev->cdev = cdev;
 
 	mutex_lock(&cooling_list_lock);
 	/* Register the notifier for first cpufreq cooling device */
@@ -922,7 +919,7 @@  void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev)
 		cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block,
 					    CPUFREQ_POLICY_NOTIFIER);
 
-	thermal_cooling_device_unregister(cpufreq_cdev->cdev);
+	thermal_cooling_device_unregister(cdev);
 	ida_simple_remove(&cpufreq_ida, cpufreq_cdev->id);
 	kfree(cpufreq_cdev->idle_time);
 	kfree(cpufreq_cdev->freq_table);