diff mbox series

[v4,5/9] cpufreq: cpufreq-dt: Use auto-registration of thermal cooling device

Message ID cb7296e38ec506b008e65ecf5f80ccb356f67fb8.1548654899.git.amit.kucheria@linaro.org (mailing list archive)
State New, archived
Headers show
Series cpufreq: Add flag to auto-register as cooling device | expand

Commit Message

Amit Kucheria Jan. 28, 2019, 6:41 a.m. UTC
Use the CPUFREQ_AUTO_REGISTER_COOLING_DEV flag to allow cpufreq core to
automatically register as a thermal cooling device.

This allows removal of boiler plate code from the driver.

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
---
 drivers/cpufreq/cpufreq-dt.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

Comments

Daniel Lezcano Jan. 28, 2019, 8:35 a.m. UTC | #1
On 28/01/2019 07:41, Amit Kucheria wrote:
> Use the CPUFREQ_AUTO_REGISTER_COOLING_DEV flag to allow cpufreq core to
> automatically register as a thermal cooling device.
> 
> This allows removal of boiler plate code from the driver.
> 
> Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>

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

> ---
>  drivers/cpufreq/cpufreq-dt.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
> index e58bfcb1169e..2a4c4ea7980b 100644
> --- a/drivers/cpufreq/cpufreq-dt.c
> +++ b/drivers/cpufreq/cpufreq-dt.c
> @@ -13,7 +13,6 @@
>  
>  #include <linux/clk.h>
>  #include <linux/cpu.h>
> -#include <linux/cpu_cooling.h>
>  #include <linux/cpufreq.h>
>  #include <linux/cpumask.h>
>  #include <linux/err.h>
> @@ -30,7 +29,6 @@
>  struct private_data {
>  	struct opp_table *opp_table;
>  	struct device *cpu_dev;
> -	struct thermal_cooling_device *cdev;
>  	const char *reg_name;
>  	bool have_static_opps;
>  };
> @@ -301,7 +299,6 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
>  {
>  	struct private_data *priv = policy->driver_data;
>  
> -	cpufreq_cooling_unregister(priv->cdev);
>  	dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
>  	if (priv->have_static_opps)
>  		dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
> @@ -314,21 +311,14 @@ static int cpufreq_exit(struct cpufreq_policy *policy)
>  	return 0;
>  }
>  
> -static void cpufreq_ready(struct cpufreq_policy *policy)
> -{
> -	struct private_data *priv = policy->driver_data;
> -
> -	priv->cdev = of_cpufreq_cooling_register(policy);
> -}
> -
>  static struct cpufreq_driver dt_cpufreq_driver = {
> -	.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
> +	.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
> +		 CPUFREQ_AUTO_REGISTER_COOLING_DEV,
>  	.verify = cpufreq_generic_frequency_table_verify,
>  	.target_index = set_target,
>  	.get = cpufreq_generic_get,
>  	.init = cpufreq_init,
>  	.exit = cpufreq_exit,
> -	.ready = cpufreq_ready,
>  	.name = "cpufreq-dt",
>  	.attr = cpufreq_dt_attr,
>  	.suspend = cpufreq_generic_suspend,
>
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index e58bfcb1169e..2a4c4ea7980b 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -13,7 +13,6 @@ 
 
 #include <linux/clk.h>
 #include <linux/cpu.h>
-#include <linux/cpu_cooling.h>
 #include <linux/cpufreq.h>
 #include <linux/cpumask.h>
 #include <linux/err.h>
@@ -30,7 +29,6 @@ 
 struct private_data {
 	struct opp_table *opp_table;
 	struct device *cpu_dev;
-	struct thermal_cooling_device *cdev;
 	const char *reg_name;
 	bool have_static_opps;
 };
@@ -301,7 +299,6 @@  static int cpufreq_exit(struct cpufreq_policy *policy)
 {
 	struct private_data *priv = policy->driver_data;
 
-	cpufreq_cooling_unregister(priv->cdev);
 	dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
 	if (priv->have_static_opps)
 		dev_pm_opp_of_cpumask_remove_table(policy->related_cpus);
@@ -314,21 +311,14 @@  static int cpufreq_exit(struct cpufreq_policy *policy)
 	return 0;
 }
 
-static void cpufreq_ready(struct cpufreq_policy *policy)
-{
-	struct private_data *priv = policy->driver_data;
-
-	priv->cdev = of_cpufreq_cooling_register(policy);
-}
-
 static struct cpufreq_driver dt_cpufreq_driver = {
-	.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+	.flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+		 CPUFREQ_AUTO_REGISTER_COOLING_DEV,
 	.verify = cpufreq_generic_frequency_table_verify,
 	.target_index = set_target,
 	.get = cpufreq_generic_get,
 	.init = cpufreq_init,
 	.exit = cpufreq_exit,
-	.ready = cpufreq_ready,
 	.name = "cpufreq-dt",
 	.attr = cpufreq_dt_attr,
 	.suspend = cpufreq_generic_suspend,