diff mbox series

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

Message ID d8626e4c69e7b33a49c1545a9b97eadc7c2b0c2e.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>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
---
 drivers/cpufreq/scpi-cpufreq.c | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

Comments

Daniel Lezcano Jan. 28, 2019, 8:40 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>
> Acked-by: Sudeep Holla <sudeep.holla@arm.com>

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


> ---
>  drivers/cpufreq/scpi-cpufreq.c | 14 ++------------
>  1 file changed, 2 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
> index 99449738faa4..82420e8e5f0d 100644
> --- a/drivers/cpufreq/scpi-cpufreq.c
> +++ b/drivers/cpufreq/scpi-cpufreq.c
> @@ -22,7 +22,6 @@
>  #include <linux/cpu.h>
>  #include <linux/cpufreq.h>
>  #include <linux/cpumask.h>
> -#include <linux/cpu_cooling.h>
>  #include <linux/export.h>
>  #include <linux/module.h>
>  #include <linux/of_platform.h>
> @@ -34,7 +33,6 @@
>  struct scpi_data {
>  	struct clk *clk;
>  	struct device *cpu_dev;
> -	struct thermal_cooling_device *cdev;
>  };
>  
>  static struct scpi_ops *scpi_ops;
> @@ -186,7 +184,6 @@ static int scpi_cpufreq_exit(struct cpufreq_policy *policy)
>  {
>  	struct scpi_data *priv = policy->driver_data;
>  
> -	cpufreq_cooling_unregister(priv->cdev);
>  	clk_put(priv->clk);
>  	dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
>  	kfree(priv);
> @@ -195,23 +192,16 @@ static int scpi_cpufreq_exit(struct cpufreq_policy *policy)
>  	return 0;
>  }
>  
> -static void scpi_cpufreq_ready(struct cpufreq_policy *policy)
> -{
> -	struct scpi_data *priv = policy->driver_data;
> -
> -	priv->cdev = of_cpufreq_cooling_register(policy);
> -}
> -
>  static struct cpufreq_driver scpi_cpufreq_driver = {
>  	.name	= "scpi-cpufreq",
>  	.flags	= CPUFREQ_STICKY | CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
> -		  CPUFREQ_NEED_INITIAL_FREQ_CHECK,
> +		  CPUFREQ_NEED_INITIAL_FREQ_CHECK |
> +		  CPUFREQ_AUTO_REGISTER_COOLING_DEV,
>  	.verify	= cpufreq_generic_frequency_table_verify,
>  	.attr	= cpufreq_generic_attr,
>  	.get	= scpi_cpufreq_get_rate,
>  	.init	= scpi_cpufreq_init,
>  	.exit	= scpi_cpufreq_exit,
> -	.ready	= scpi_cpufreq_ready,
>  	.target_index	= scpi_cpufreq_set_target,
>  };
>  
>
diff mbox series

Patch

diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index 99449738faa4..82420e8e5f0d 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -22,7 +22,6 @@ 
 #include <linux/cpu.h>
 #include <linux/cpufreq.h>
 #include <linux/cpumask.h>
-#include <linux/cpu_cooling.h>
 #include <linux/export.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>
@@ -34,7 +33,6 @@ 
 struct scpi_data {
 	struct clk *clk;
 	struct device *cpu_dev;
-	struct thermal_cooling_device *cdev;
 };
 
 static struct scpi_ops *scpi_ops;
@@ -186,7 +184,6 @@  static int scpi_cpufreq_exit(struct cpufreq_policy *policy)
 {
 	struct scpi_data *priv = policy->driver_data;
 
-	cpufreq_cooling_unregister(priv->cdev);
 	clk_put(priv->clk);
 	dev_pm_opp_free_cpufreq_table(priv->cpu_dev, &policy->freq_table);
 	kfree(priv);
@@ -195,23 +192,16 @@  static int scpi_cpufreq_exit(struct cpufreq_policy *policy)
 	return 0;
 }
 
-static void scpi_cpufreq_ready(struct cpufreq_policy *policy)
-{
-	struct scpi_data *priv = policy->driver_data;
-
-	priv->cdev = of_cpufreq_cooling_register(policy);
-}
-
 static struct cpufreq_driver scpi_cpufreq_driver = {
 	.name	= "scpi-cpufreq",
 	.flags	= CPUFREQ_STICKY | CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
-		  CPUFREQ_NEED_INITIAL_FREQ_CHECK,
+		  CPUFREQ_NEED_INITIAL_FREQ_CHECK |
+		  CPUFREQ_AUTO_REGISTER_COOLING_DEV,
 	.verify	= cpufreq_generic_frequency_table_verify,
 	.attr	= cpufreq_generic_attr,
 	.get	= scpi_cpufreq_get_rate,
 	.init	= scpi_cpufreq_init,
 	.exit	= scpi_cpufreq_exit,
-	.ready	= scpi_cpufreq_ready,
 	.target_index	= scpi_cpufreq_set_target,
 };