diff mbox

[v2,8/8] PM / devfreq: exynos-bus: Register cooling device

Message ID 1505954032-3327-9-git-send-email-cw00.choi@samsung.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Chanwoo Choi Sept. 21, 2017, 12:33 a.m. UTC
This patch registers the Exynos Bus-Frequency scaling device
as a cooling device of thermal management.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
 drivers/devfreq/Kconfig      |  1 +
 drivers/devfreq/exynos-bus.c | 11 +++++++++++
 2 files changed, 12 insertions(+)

Comments

Chanwoo Choi Sept. 21, 2017, 4:57 a.m. UTC | #1
Dear all,

Please ignore this patch. It has some problem.
I'll fix and resend this patch on v2.

Chanwoo Choi
Samsung Electronics

On 2017년 09월 21일 09:33, Chanwoo Choi wrote:
> This patch registers the Exynos Bus-Frequency scaling device
> as a cooling device of thermal management.
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
> Cc: Kukjin Kim <kgene@kernel.org>
> Cc: Krzysztof Kozlowski <krzk@kernel.org>
> Cc: linux-samsung-soc@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  drivers/devfreq/Kconfig      |  1 +
>  drivers/devfreq/exynos-bus.c | 11 +++++++++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
> index 6a172d338f6d..eb8128e08b2c 100644
> --- a/drivers/devfreq/Kconfig
> +++ b/drivers/devfreq/Kconfig
> @@ -81,6 +81,7 @@ config ARM_EXYNOS_BUS_DEVFREQ
>  	select DEVFREQ_GOV_SIMPLE_ONDEMAND
>  	select DEVFREQ_GOV_PASSIVE
>  	select DEVFREQ_EVENT_EXYNOS_PPMU
> +	select DEVFREQ_THERMAL
>  	select PM_DEVFREQ_EVENT
>  	select PM_OPP
>  	help
> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
> index c25658b26598..200ca0d11834 100644
> --- a/drivers/devfreq/exynos-bus.c
> +++ b/drivers/devfreq/exynos-bus.c
> @@ -15,6 +15,7 @@
>  #include <linux/clk.h>
>  #include <linux/devfreq.h>
>  #include <linux/devfreq-event.h>
> +#include <linux/devfreq_cooling.h>
>  #include <linux/device.h>
>  #include <linux/export.h>
>  #include <linux/module.h>
> @@ -41,6 +42,8 @@ struct exynos_bus {
>  	struct clk *clk;
>  	unsigned int voltage_tolerance;
>  	unsigned int ratio;
> +
> +	struct thermal_cooling_device *cdev;
>  };
>  
>  /*
> @@ -468,6 +471,14 @@ static int exynos_bus_probe(struct platform_device *pdev)
>  		goto err;
>  	}
>  
> +	/* Register devfreq cooling device */
> +	bus->cdev = of_devfreq_cooling_register(np, bus->devfreq);
> +	if (IS_ERR(bus->cdev) < 0) {
> +		dev_err(dev, "failed to register cooling device\n");
> +		ret = PTR_ERR(bus->cdev);
> +		goto err;
> +	}
> +
>  	goto out;
>  passive:
>  	/* Initialize the struct profile and governor data for passive device */
> 



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diff mbox

Patch

diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 6a172d338f6d..eb8128e08b2c 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -81,6 +81,7 @@  config ARM_EXYNOS_BUS_DEVFREQ
 	select DEVFREQ_GOV_SIMPLE_ONDEMAND
 	select DEVFREQ_GOV_PASSIVE
 	select DEVFREQ_EVENT_EXYNOS_PPMU
+	select DEVFREQ_THERMAL
 	select PM_DEVFREQ_EVENT
 	select PM_OPP
 	help
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index c25658b26598..200ca0d11834 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -15,6 +15,7 @@ 
 #include <linux/clk.h>
 #include <linux/devfreq.h>
 #include <linux/devfreq-event.h>
+#include <linux/devfreq_cooling.h>
 #include <linux/device.h>
 #include <linux/export.h>
 #include <linux/module.h>
@@ -41,6 +42,8 @@  struct exynos_bus {
 	struct clk *clk;
 	unsigned int voltage_tolerance;
 	unsigned int ratio;
+
+	struct thermal_cooling_device *cdev;
 };
 
 /*
@@ -468,6 +471,14 @@  static int exynos_bus_probe(struct platform_device *pdev)
 		goto err;
 	}
 
+	/* Register devfreq cooling device */
+	bus->cdev = of_devfreq_cooling_register(np, bus->devfreq);
+	if (IS_ERR(bus->cdev) < 0) {
+		dev_err(dev, "failed to register cooling device\n");
+		ret = PTR_ERR(bus->cdev);
+		goto err;
+	}
+
 	goto out;
 passive:
 	/* Initialize the struct profile and governor data for passive device */