diff mbox

[v3] cpufreq: kryo: Add module remove and exit

Message ID 20180617200146.16425-1-ilia.lin@gmail.com (mailing list archive)
State Mainlined
Delegated to: Rafael Wysocki
Headers show

Commit Message

Ilia Lin June 17, 2018, 8:01 p.m. UTC
From: Ilia Lin <ilia.lin@gmail.com>

Add device remove and module exit code to make the driver
functioning as a loadable module.

Fixes: ac28927659be (cpufreq: kryo: allow building as a loadable module)
Signed-off-by: Ilia Lin <ilia.lin@gmail.com>
---
 drivers/cpufreq/qcom-cpufreq-kryo.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

Comments

Viresh Kumar June 18, 2018, 4:55 a.m. UTC | #1
On 17-06-18, 22:01, ilia.lin@gmail.com wrote:
> From: Ilia Lin <ilia.lin@gmail.com>
> 
> Add device remove and module exit code to make the driver
> functioning as a loadable module.
> 
> Fixes: ac28927659be (cpufreq: kryo: allow building as a loadable module)
> Signed-off-by: Ilia Lin <ilia.lin@gmail.com>
> ---
>  drivers/cpufreq/qcom-cpufreq-kryo.c | 22 +++++++++++++++++++---
>  1 file changed, 19 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> index 74b9b93d511b..01bddacf5c3b 100644
> --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> @@ -42,6 +42,8 @@ enum _msm8996_version {
>  	NUM_OF_MSM8996_VERSIONS,
>  };
>  
> +struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
> +
>  static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
>  {
>  	size_t len;
> @@ -74,7 +76,6 @@ static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
>  static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>  {
>  	struct opp_table *opp_tables[NR_CPUS] = {0};
> -	struct platform_device *cpufreq_dt_pdev;
>  	enum _msm8996_version msm8996_version;
>  	struct nvmem_cell *speedbin_nvmem;
>  	struct device_node *np;
> @@ -165,8 +166,15 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
>  	return ret;
>  }
>  
> +static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
> +{
> +	platform_device_unregister(cpufreq_dt_pdev);
> +	return 0;
> +}
> +
>  static struct platform_driver qcom_cpufreq_kryo_driver = {
>  	.probe = qcom_cpufreq_kryo_probe,
> +	.remove = qcom_cpufreq_kryo_remove,
>  	.driver = {
>  		.name = "qcom-cpufreq-kryo",
>  	},
> @@ -201,8 +209,9 @@ static int __init qcom_cpufreq_kryo_init(void)
>  	if (unlikely(ret < 0))
>  		return ret;
>  
> -	ret = PTR_ERR_OR_ZERO(platform_device_register_simple(
> -		"qcom-cpufreq-kryo", -1, NULL, 0));
> +	kryo_cpufreq_pdev = platform_device_register_simple(
> +		"qcom-cpufreq-kryo", -1, NULL, 0);
> +	ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
>  	if (0 == ret)
>  		return 0;
>  
> @@ -211,5 +220,12 @@ static int __init qcom_cpufreq_kryo_init(void)
>  }
>  module_init(qcom_cpufreq_kryo_init);
>  
> +static void __init qcom_cpufreq_kryo_exit(void)
> +{
> +	platform_device_unregister(kryo_cpufreq_pdev);
> +	platform_driver_unregister(&qcom_cpufreq_kryo_driver);
> +}
> +module_exit(qcom_cpufreq_kryo_exit);
> +
>  MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
>  MODULE_LICENSE("GPL v2");

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Rafael J. Wysocki June 21, 2018, 1:23 p.m. UTC | #2
On Monday, June 18, 2018 6:55:50 AM CEST Viresh Kumar wrote:
> On 17-06-18, 22:01, ilia.lin@gmail.com wrote:
> > From: Ilia Lin <ilia.lin@gmail.com>
> > 
> > Add device remove and module exit code to make the driver
> > functioning as a loadable module.
> > 
> > Fixes: ac28927659be (cpufreq: kryo: allow building as a loadable module)
> > Signed-off-by: Ilia Lin <ilia.lin@gmail.com>
> > ---
> >  drivers/cpufreq/qcom-cpufreq-kryo.c | 22 +++++++++++++++++++---
> >  1 file changed, 19 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
> > index 74b9b93d511b..01bddacf5c3b 100644
> > --- a/drivers/cpufreq/qcom-cpufreq-kryo.c
> > +++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
> > @@ -42,6 +42,8 @@ enum _msm8996_version {
> >  	NUM_OF_MSM8996_VERSIONS,
> >  };
> >  
> > +struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
> > +
> >  static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
> >  {
> >  	size_t len;
> > @@ -74,7 +76,6 @@ static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
> >  static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
> >  {
> >  	struct opp_table *opp_tables[NR_CPUS] = {0};
> > -	struct platform_device *cpufreq_dt_pdev;
> >  	enum _msm8996_version msm8996_version;
> >  	struct nvmem_cell *speedbin_nvmem;
> >  	struct device_node *np;
> > @@ -165,8 +166,15 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
> >  	return ret;
> >  }
> >  
> > +static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
> > +{
> > +	platform_device_unregister(cpufreq_dt_pdev);
> > +	return 0;
> > +}
> > +
> >  static struct platform_driver qcom_cpufreq_kryo_driver = {
> >  	.probe = qcom_cpufreq_kryo_probe,
> > +	.remove = qcom_cpufreq_kryo_remove,
> >  	.driver = {
> >  		.name = "qcom-cpufreq-kryo",
> >  	},
> > @@ -201,8 +209,9 @@ static int __init qcom_cpufreq_kryo_init(void)
> >  	if (unlikely(ret < 0))
> >  		return ret;
> >  
> > -	ret = PTR_ERR_OR_ZERO(platform_device_register_simple(
> > -		"qcom-cpufreq-kryo", -1, NULL, 0));
> > +	kryo_cpufreq_pdev = platform_device_register_simple(
> > +		"qcom-cpufreq-kryo", -1, NULL, 0);
> > +	ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
> >  	if (0 == ret)
> >  		return 0;
> >  
> > @@ -211,5 +220,12 @@ static int __init qcom_cpufreq_kryo_init(void)
> >  }
> >  module_init(qcom_cpufreq_kryo_init);
> >  
> > +static void __init qcom_cpufreq_kryo_exit(void)
> > +{
> > +	platform_device_unregister(kryo_cpufreq_pdev);
> > +	platform_driver_unregister(&qcom_cpufreq_kryo_driver);
> > +}
> > +module_exit(qcom_cpufreq_kryo_exit);
> > +
> >  MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
> >  MODULE_LICENSE("GPL v2");
> 
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

Patch applied, thanks!
diff mbox

Patch

diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 74b9b93d511b..01bddacf5c3b 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -42,6 +42,8 @@  enum _msm8996_version {
 	NUM_OF_MSM8996_VERSIONS,
 };
 
+struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
+
 static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
 {
 	size_t len;
@@ -74,7 +76,6 @@  static enum _msm8996_version __init qcom_cpufreq_kryo_get_msm_id(void)
 static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 {
 	struct opp_table *opp_tables[NR_CPUS] = {0};
-	struct platform_device *cpufreq_dt_pdev;
 	enum _msm8996_version msm8996_version;
 	struct nvmem_cell *speedbin_nvmem;
 	struct device_node *np;
@@ -165,8 +166,15 @@  static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
 	return ret;
 }
 
+static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
+{
+	platform_device_unregister(cpufreq_dt_pdev);
+	return 0;
+}
+
 static struct platform_driver qcom_cpufreq_kryo_driver = {
 	.probe = qcom_cpufreq_kryo_probe,
+	.remove = qcom_cpufreq_kryo_remove,
 	.driver = {
 		.name = "qcom-cpufreq-kryo",
 	},
@@ -201,8 +209,9 @@  static int __init qcom_cpufreq_kryo_init(void)
 	if (unlikely(ret < 0))
 		return ret;
 
-	ret = PTR_ERR_OR_ZERO(platform_device_register_simple(
-		"qcom-cpufreq-kryo", -1, NULL, 0));
+	kryo_cpufreq_pdev = platform_device_register_simple(
+		"qcom-cpufreq-kryo", -1, NULL, 0);
+	ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
 	if (0 == ret)
 		return 0;
 
@@ -211,5 +220,12 @@  static int __init qcom_cpufreq_kryo_init(void)
 }
 module_init(qcom_cpufreq_kryo_init);
 
+static void __init qcom_cpufreq_kryo_exit(void)
+{
+	platform_device_unregister(kryo_cpufreq_pdev);
+	platform_driver_unregister(&qcom_cpufreq_kryo_driver);
+}
+module_exit(qcom_cpufreq_kryo_exit);
+
 MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
 MODULE_LICENSE("GPL v2");