diff mbox

[v2,01/14] thermal: Rename driver 'kirkwood' -> 'mvebu'

Message ID 1363991114-4225-2-git-send-email-ezequiel.garcia@free-electrons.com (mailing list archive)
State Rejected
Delegated to: Zhang Rui
Headers show

Commit Message

Ezequiel Garcia March 22, 2013, 10:25 p.m. UTC
This driver will support several Marvell SoC, so it is convenient
to rename it to 'mvebu' to represent accurately the hardware it
supports.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
 .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
 .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
 drivers/thermal/Kconfig                            |   10 +-
 drivers/thermal/Makefile                           |    2 +-
 drivers/thermal/kirkwood_thermal.c                 |  134 --------------------
 drivers/thermal/mvebu_thermal.c                    |  134 ++++++++++++++++++++
 6 files changed, 155 insertions(+), 155 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
 create mode 100644 Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
 delete mode 100644 drivers/thermal/kirkwood_thermal.c
 create mode 100644 drivers/thermal/mvebu_thermal.c

Comments

Eduardo Valentin April 11, 2013, 4 p.m. UTC | #1
Hello Ezequiel,

Two minor comments.

On 22-03-2013 18:25, Ezequiel Garcia wrote:
> This driver will support several Marvell SoC, so it is convenient
> to rename it to 'mvebu' to represent accurately the hardware it
> supports.
>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
>
> ---
> .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
>   .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
>   drivers/thermal/Kconfig                            |   10 +-
>   drivers/thermal/Makefile                           |    2 +-
>   drivers/thermal/kirkwood_thermal.c                 |  134 --------------------
>   drivers/thermal/mvebu_thermal.c                    |  134 ++++++++++++++++++++
>   6 files changed, 155 insertions(+), 155 deletions(-)
>   delete mode 100644 Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
>   create mode 100644 Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
>   delete mode 100644 drivers/thermal/kirkwood_thermal.c
>   create mode 100644 drivers/thermal/mvebu_thermal.c

When sending renames, use git format-patch --find-renames. The summary 
will be much descriptive on what you have done.

I tried applying this patch on top of linux-next, linus/master, 
ruis/thermal, on top of the your suggested dependencies, and all failed. 
What is your base?

>
> diff --git a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt b/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
> deleted file mode 100644
> index 8c0f5eb..0000000
> --- a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
> +++ /dev/null
> @@ -1,15 +0,0 @@
> -* Kirkwood Thermal
> -
> -This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
> -don't contain a thermal sensor.
> -
> -Required properties:
> -- compatible : "marvell,kirkwood-thermal"
> -- reg : Address range of the thermal registers
> -
> -Example:
> -
> -	thermal@10078 {
> -		compatible = "marvell,kirkwood-thermal";
> -		reg = <0x10078 0x4>;
> -	};
> diff --git a/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
> new file mode 100644
> index 0000000..8c0f5eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
> @@ -0,0 +1,15 @@
> +* Kirkwood Thermal
> +
> +This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
> +don't contain a thermal sensor.
> +
> +Required properties:
> +- compatible : "marvell,kirkwood-thermal"
> +- reg : Address range of the thermal registers
> +
> +Example:
> +
> +	thermal@10078 {
> +		compatible = "marvell,kirkwood-thermal";
> +		reg = <0x10078 0x4>;
> +	};
> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> index a764f16..74f6b97 100644
> --- a/drivers/thermal/Kconfig
> +++ b/drivers/thermal/Kconfig
> @@ -101,13 +101,13 @@ config RCAR_THERMAL
>   	  Enable this to plug the R-Car thermal sensor driver into the Linux
>   	  thermal framework
>
> -config KIRKWOOD_THERMAL
> -	tristate "Temperature sensor on Marvell Kirkwood SoCs"
> -	depends on ARCH_KIRKWOOD
> +config MVEBU_THERMAL
> +	tristate "Temperature sensor on Marvell EBU SoCs"
> +	depends on PLAT_ORION
>   	depends on OF
>   	help
> -	  Support for the Kirkwood thermal sensor driver into the Linux thermal
> -	  framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
> +	  Support for the thermal controllers available in several Marvell
> +	  EBU SoCs in the thermal framework.
>
>   config EXYNOS_THERMAL
>   	tristate "Temperature sensor on Samsung EXYNOS"
> diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
> index d3a2b38..40293a1 100644
> --- a/drivers/thermal/Makefile
> +++ b/drivers/thermal/Makefile
> @@ -15,7 +15,7 @@ obj-$(CONFIG_CPU_THERMAL)	+= cpu_cooling.o
>   # platform thermal drivers
>   obj-$(CONFIG_SPEAR_THERMAL)	+= spear_thermal.o
>   obj-$(CONFIG_RCAR_THERMAL)	+= rcar_thermal.o
> -obj-$(CONFIG_KIRKWOOD_THERMAL)  += kirkwood_thermal.o
> +obj-$(CONFIG_MVEBU_THERMAL)	+= mvebu_thermal.o
>   obj-$(CONFIG_EXYNOS_THERMAL)	+= exynos_thermal.o
>   obj-$(CONFIG_DOVE_THERMAL)  	+= dove_thermal.o
>   obj-$(CONFIG_DB8500_THERMAL)	+= db8500_thermal.o
> diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
> deleted file mode 100644
> index 19320dd..0000000
> --- a/drivers/thermal/kirkwood_thermal.c
> +++ /dev/null
> @@ -1,134 +0,0 @@
> -/*
> - * Kirkwood thermal sensor driver
> - *
> - * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> - *
> - * This software is licensed under the terms of the GNU General Public
> - * License version 2, as published by the Free Software Foundation, and
> - * may be copied, distributed, and modified under those terms.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - */
> -#include <linux/device.h>
> -#include <linux/err.h>
> -#include <linux/io.h>
> -#include <linux/kernel.h>
> -#include <linux/of.h>
> -#include <linux/module.h>
> -#include <linux/platform_device.h>
> -#include <linux/thermal.h>
> -
> -#define KIRKWOOD_THERMAL_VALID_OFFSET	9
> -#define KIRKWOOD_THERMAL_VALID_MASK	0x1
> -#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
> -#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
> -
> -/* Kirkwood Thermal Sensor Dev Structure */
> -struct kirkwood_thermal_priv {
> -	void __iomem *sensor;
> -};
> -
> -static int kirkwood_get_temp(struct thermal_zone_device *thermal,
> -			  unsigned long *temp)
> -{
> -	unsigned long reg;
> -	struct kirkwood_thermal_priv *priv = thermal->devdata;
> -
> -	reg = readl_relaxed(priv->sensor);
> -
> -	/* Valid check */
> -	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
> -	    KIRKWOOD_THERMAL_VALID_MASK)) {
> -		dev_err(&thermal->device,
> -			"Temperature sensor reading not valid\n");
> -		return -EIO;
> -	}
> -
> -	/*
> -	 * Calculate temperature. According to Marvell internal
> -	 * documentation the formula for this is:
> -	 * Celsius = (322-reg)/1.3625
> -	 */
> -	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
> -		KIRKWOOD_THERMAL_TEMP_MASK;
> -	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
> -
> -	return 0;
> -}
> -
> -static struct thermal_zone_device_ops ops = {
> -	.get_temp = kirkwood_get_temp,
> -};
> -
> -static const struct of_device_id kirkwood_thermal_id_table[] = {
> -	{ .compatible = "marvell,kirkwood-thermal" },
> -	{}
> -};
> -
> -static int kirkwood_thermal_probe(struct platform_device *pdev)
> -{
> -	struct thermal_zone_device *thermal = NULL;
> -	struct kirkwood_thermal_priv *priv;
> -	struct resource *res;
> -
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(&pdev->dev, "Failed to get platform resource\n");
> -		return -ENODEV;
> -	}
> -
> -	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
> -	if (!priv)
> -		return -ENOMEM;
> -
> -	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!priv->sensor) {
> -		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
> -		return -EADDRNOTAVAIL;
> -	}
> -
> -	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
> -					       priv, &ops, NULL, 0, 0);
> -	if (IS_ERR(thermal)) {
> -		dev_err(&pdev->dev,
> -			"Failed to register thermal zone device\n");
> -		return PTR_ERR(thermal);
> -	}
> -
> -	platform_set_drvdata(pdev, thermal);
> -
> -	return 0;
> -}
> -
> -static int kirkwood_thermal_exit(struct platform_device *pdev)
> -{
> -	struct thermal_zone_device *kirkwood_thermal =
> -		platform_get_drvdata(pdev);
> -
> -	thermal_zone_device_unregister(kirkwood_thermal);
> -	platform_set_drvdata(pdev, NULL);
> -
> -	return 0;
> -}
> -
> -MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
> -
> -static struct platform_driver kirkwood_thermal_driver = {
> -	.probe = kirkwood_thermal_probe,
> -	.remove = kirkwood_thermal_exit,
> -	.driver = {
> -		.name = "kirkwood_thermal",
> -		.owner = THIS_MODULE,
> -		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
> -	},
> -};
> -
> -module_platform_driver(kirkwood_thermal_driver);
> -
> -MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
> -MODULE_DESCRIPTION("kirkwood thermal driver");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/thermal/mvebu_thermal.c b/drivers/thermal/mvebu_thermal.c
> new file mode 100644
> index 0000000..19320dd
> --- /dev/null
> +++ b/drivers/thermal/mvebu_thermal.c
> @@ -0,0 +1,134 @@
> +/*
> + * Kirkwood thermal sensor driver
> + *
> + * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +#include <linux/device.h>
> +#include <linux/err.h>
> +#include <linux/io.h>
> +#include <linux/kernel.h>
> +#include <linux/of.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/thermal.h>
> +
> +#define KIRKWOOD_THERMAL_VALID_OFFSET	9
> +#define KIRKWOOD_THERMAL_VALID_MASK	0x1
> +#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
> +#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
> +
> +/* Kirkwood Thermal Sensor Dev Structure */
> +struct kirkwood_thermal_priv {
> +	void __iomem *sensor;
> +};
> +
> +static int kirkwood_get_temp(struct thermal_zone_device *thermal,
> +			  unsigned long *temp)
> +{
> +	unsigned long reg;
> +	struct kirkwood_thermal_priv *priv = thermal->devdata;
> +
> +	reg = readl_relaxed(priv->sensor);
> +
> +	/* Valid check */
> +	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
> +	    KIRKWOOD_THERMAL_VALID_MASK)) {
> +		dev_err(&thermal->device,
> +			"Temperature sensor reading not valid\n");
> +		return -EIO;
> +	}
> +
> +	/*
> +	 * Calculate temperature. According to Marvell internal
> +	 * documentation the formula for this is:
> +	 * Celsius = (322-reg)/1.3625
> +	 */
> +	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
> +		KIRKWOOD_THERMAL_TEMP_MASK;
> +	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
> +
> +	return 0;
> +}
> +
> +static struct thermal_zone_device_ops ops = {
> +	.get_temp = kirkwood_get_temp,
> +};
> +
> +static const struct of_device_id kirkwood_thermal_id_table[] = {
> +	{ .compatible = "marvell,kirkwood-thermal" },
> +	{}
> +};
> +
> +static int kirkwood_thermal_probe(struct platform_device *pdev)
> +{
> +	struct thermal_zone_device *thermal = NULL;
> +	struct kirkwood_thermal_priv *priv;
> +	struct resource *res;
> +
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	if (!res) {
> +		dev_err(&pdev->dev, "Failed to get platform resource\n");
> +		return -ENODEV;
> +	}
> +
> +	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
> +	if (!priv)
> +		return -ENOMEM;
> +
> +	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
> +	if (!priv->sensor) {
> +		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
> +		return -EADDRNOTAVAIL;
> +	}
> +
> +	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
> +					       priv, &ops, NULL, 0, 0);
> +	if (IS_ERR(thermal)) {
> +		dev_err(&pdev->dev,
> +			"Failed to register thermal zone device\n");
> +		return PTR_ERR(thermal);
> +	}
> +
> +	platform_set_drvdata(pdev, thermal);
> +
> +	return 0;
> +}
> +
> +static int kirkwood_thermal_exit(struct platform_device *pdev)
> +{
> +	struct thermal_zone_device *kirkwood_thermal =
> +		platform_get_drvdata(pdev);
> +
> +	thermal_zone_device_unregister(kirkwood_thermal);
> +	platform_set_drvdata(pdev, NULL);
> +
> +	return 0;
> +}
> +
> +MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
> +
> +static struct platform_driver kirkwood_thermal_driver = {
> +	.probe = kirkwood_thermal_probe,
> +	.remove = kirkwood_thermal_exit,
> +	.driver = {
> +		.name = "kirkwood_thermal",
> +		.owner = THIS_MODULE,
> +		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
> +	},
> +};
> +
> +module_platform_driver(kirkwood_thermal_driver);
> +
> +MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
> +MODULE_DESCRIPTION("kirkwood thermal driver");
> +MODULE_LICENSE("GPL");
>

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Eduardo Valentin April 11, 2013, 4:21 p.m. UTC | #2
Ezequiel,


On 22-03-2013 18:25, Ezequiel Garcia wrote:
> This driver will support several Marvell SoC, so it is convenient
> to rename it to 'mvebu' to represent accurately the hardware it
> supports.
>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
>
> ---
> .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
>   .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
>   drivers/thermal/Kconfig                            |   10 +-
>   drivers/thermal/Makefile                           |    2 +-
>   drivers/thermal/kirkwood_thermal.c                 |  134 --------------------
>   drivers/thermal/mvebu_thermal.c                    |  134 ++++++++++++++++++++
>   6 files changed, 155 insertions(+), 155 deletions(-)
>   delete mode 100644 Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
>   create mode 100644 Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
>   delete mode 100644 drivers/thermal/kirkwood_thermal.c
>   create mode 100644 drivers/thermal/mvebu_thermal.c
>
> diff --git a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt b/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
> deleted file mode 100644
> index 8c0f5eb..0000000
> --- a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
> +++ /dev/null
> @@ -1,15 +0,0 @@
> -* Kirkwood Thermal
> -
> -This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
> -don't contain a thermal sensor.
> -
> -Required properties:
> -- compatible : "marvell,kirkwood-thermal"
> -- reg : Address range of the thermal registers
> -
> -Example:
> -
> -	thermal@10078 {
> -		compatible = "marvell,kirkwood-thermal";
> -		reg = <0x10078 0x4>;
> -	};
> diff --git a/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
> new file mode 100644
> index 0000000..8c0f5eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
> @@ -0,0 +1,15 @@
> +* Kirkwood Thermal
> +
> +This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
> +don't contain a thermal sensor.
> +
> +Required properties:
> +- compatible : "marvell,kirkwood-thermal"
> +- reg : Address range of the thermal registers
> +
> +Example:
> +
> +	thermal@10078 {
> +		compatible = "marvell,kirkwood-thermal";
> +		reg = <0x10078 0x4>;
> +	};
> diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> index a764f16..74f6b97 100644
> --- a/drivers/thermal/Kconfig
> +++ b/drivers/thermal/Kconfig
> @@ -101,13 +101,13 @@ config RCAR_THERMAL
>   	  Enable this to plug the R-Car thermal sensor driver into the Linux
>   	  thermal framework
>
> -config KIRKWOOD_THERMAL
> -	tristate "Temperature sensor on Marvell Kirkwood SoCs"
> -	depends on ARCH_KIRKWOOD
> +config MVEBU_THERMAL
> +	tristate "Temperature sensor on Marvell EBU SoCs"
> +	depends on PLAT_ORION
>   	depends on OF
>   	help
> -	  Support for the Kirkwood thermal sensor driver into the Linux thermal
> -	  framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
> +	  Support for the thermal controllers available in several Marvell
> +	  EBU SoCs in the thermal framework.

While here, could you please be more descriptive?
WARNING: please write a paragraph that describes the config symbol fully
#90: FILE: drivers/thermal/Kconfig:104:
+config MVEBU_THERMAL

total: 0 errors, 1 warnings, 175 lines checked

v2-01-14-thermal-Rename-driver-kirkwood---mvebu.patch has style 
problems, please review.

If any of these errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.


>
>   config EXYNOS_THERMAL
>   	tristate "Temperature sensor on Samsung EXYNOS"
> diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
> index d3a2b38..40293a1 100644
> --- a/drivers/thermal/Makefile
> +++ b/drivers/thermal/Makefile
> @@ -15,7 +15,7 @@ obj-$(CONFIG_CPU_THERMAL)	+= cpu_cooling.o
>   # platform thermal drivers
>   obj-$(CONFIG_SPEAR_THERMAL)	+= spear_thermal.o
>   obj-$(CONFIG_RCAR_THERMAL)	+= rcar_thermal.o
> -obj-$(CONFIG_KIRKWOOD_THERMAL)  += kirkwood_thermal.o
> +obj-$(CONFIG_MVEBU_THERMAL)	+= mvebu_thermal.o
>   obj-$(CONFIG_EXYNOS_THERMAL)	+= exynos_thermal.o
>   obj-$(CONFIG_DOVE_THERMAL)  	+= dove_thermal.o
>   obj-$(CONFIG_DB8500_THERMAL)	+= db8500_thermal.o
> diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
> deleted file mode 100644
> index 19320dd..0000000
> --- a/drivers/thermal/kirkwood_thermal.c
> +++ /dev/null
> @@ -1,134 +0,0 @@
> -/*
> - * Kirkwood thermal sensor driver
> - *
> - * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> - *
> - * This software is licensed under the terms of the GNU General Public
> - * License version 2, as published by the Free Software Foundation, and
> - * may be copied, distributed, and modified under those terms.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY; without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> - * GNU General Public License for more details.
> - *
> - */
> -#include <linux/device.h>
> -#include <linux/err.h>
> -#include <linux/io.h>
> -#include <linux/kernel.h>
> -#include <linux/of.h>
> -#include <linux/module.h>
> -#include <linux/platform_device.h>
> -#include <linux/thermal.h>
> -
> -#define KIRKWOOD_THERMAL_VALID_OFFSET	9
> -#define KIRKWOOD_THERMAL_VALID_MASK	0x1
> -#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
> -#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
> -
> -/* Kirkwood Thermal Sensor Dev Structure */
> -struct kirkwood_thermal_priv {
> -	void __iomem *sensor;
> -};
> -
> -static int kirkwood_get_temp(struct thermal_zone_device *thermal,
> -			  unsigned long *temp)
> -{
> -	unsigned long reg;
> -	struct kirkwood_thermal_priv *priv = thermal->devdata;
> -
> -	reg = readl_relaxed(priv->sensor);
> -
> -	/* Valid check */
> -	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
> -	    KIRKWOOD_THERMAL_VALID_MASK)) {
> -		dev_err(&thermal->device,
> -			"Temperature sensor reading not valid\n");
> -		return -EIO;
> -	}
> -
> -	/*
> -	 * Calculate temperature. According to Marvell internal
> -	 * documentation the formula for this is:
> -	 * Celsius = (322-reg)/1.3625
> -	 */
> -	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
> -		KIRKWOOD_THERMAL_TEMP_MASK;
> -	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
> -
> -	return 0;
> -}
> -
> -static struct thermal_zone_device_ops ops = {
> -	.get_temp = kirkwood_get_temp,
> -};
> -
> -static const struct of_device_id kirkwood_thermal_id_table[] = {
> -	{ .compatible = "marvell,kirkwood-thermal" },
> -	{}
> -};
> -
> -static int kirkwood_thermal_probe(struct platform_device *pdev)
> -{
> -	struct thermal_zone_device *thermal = NULL;
> -	struct kirkwood_thermal_priv *priv;
> -	struct resource *res;
> -
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!res) {
> -		dev_err(&pdev->dev, "Failed to get platform resource\n");
> -		return -ENODEV;
> -	}
> -
> -	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
> -	if (!priv)
> -		return -ENOMEM;
> -
> -	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!priv->sensor) {
> -		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
> -		return -EADDRNOTAVAIL;
> -	}
> -
> -	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
> -					       priv, &ops, NULL, 0, 0);
> -	if (IS_ERR(thermal)) {
> -		dev_err(&pdev->dev,
> -			"Failed to register thermal zone device\n");
> -		return PTR_ERR(thermal);
> -	}
> -
> -	platform_set_drvdata(pdev, thermal);
> -
> -	return 0;
> -}
> -
> -static int kirkwood_thermal_exit(struct platform_device *pdev)
> -{
> -	struct thermal_zone_device *kirkwood_thermal =
> -		platform_get_drvdata(pdev);
> -
> -	thermal_zone_device_unregister(kirkwood_thermal);
> -	platform_set_drvdata(pdev, NULL);
> -
> -	return 0;
> -}
> -
> -MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
> -
> -static struct platform_driver kirkwood_thermal_driver = {
> -	.probe = kirkwood_thermal_probe,
> -	.remove = kirkwood_thermal_exit,
> -	.driver = {
> -		.name = "kirkwood_thermal",
> -		.owner = THIS_MODULE,
> -		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
> -	},
> -};
> -
> -module_platform_driver(kirkwood_thermal_driver);
> -
> -MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
> -MODULE_DESCRIPTION("kirkwood thermal driver");
> -MODULE_LICENSE("GPL");
> diff --git a/drivers/thermal/mvebu_thermal.c b/drivers/thermal/mvebu_thermal.c
> new file mode 100644
> index 0000000..19320dd
> --- /dev/null
> +++ b/drivers/thermal/mvebu_thermal.c
> @@ -0,0 +1,134 @@
> +/*
> + * Kirkwood thermal sensor driver
> + *
> + * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
> + *
> + * This software is licensed under the terms of the GNU General Public
> + * License version 2, as published by the Free Software Foundation, and
> + * may be copied, distributed, and modified under those terms.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + */
> +#include <linux/device.h>
> +#include <linux/err.h>
> +#include <linux/io.h>
> +#include <linux/kernel.h>
> +#include <linux/of.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/thermal.h>
> +
> +#define KIRKWOOD_THERMAL_VALID_OFFSET	9
> +#define KIRKWOOD_THERMAL_VALID_MASK	0x1
> +#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
> +#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
> +
> +/* Kirkwood Thermal Sensor Dev Structure */
> +struct kirkwood_thermal_priv {
> +	void __iomem *sensor;
> +};
> +
> +static int kirkwood_get_temp(struct thermal_zone_device *thermal,
> +			  unsigned long *temp)
> +{
> +	unsigned long reg;
> +	struct kirkwood_thermal_priv *priv = thermal->devdata;
> +
> +	reg = readl_relaxed(priv->sensor);
> +
> +	/* Valid check */
> +	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
> +	    KIRKWOOD_THERMAL_VALID_MASK)) {
> +		dev_err(&thermal->device,
> +			"Temperature sensor reading not valid\n");
> +		return -EIO;
> +	}
> +
> +	/*
> +	 * Calculate temperature. According to Marvell internal
> +	 * documentation the formula for this is:
> +	 * Celsius = (322-reg)/1.3625
> +	 */
> +	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
> +		KIRKWOOD_THERMAL_TEMP_MASK;
> +	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
> +
> +	return 0;
> +}
> +
> +static struct thermal_zone_device_ops ops = {
> +	.get_temp = kirkwood_get_temp,
> +};
> +
> +static const struct of_device_id kirkwood_thermal_id_table[] = {
> +	{ .compatible = "marvell,kirkwood-thermal" },
> +	{}
> +};
> +
> +static int kirkwood_thermal_probe(struct platform_device *pdev)
> +{
> +	struct thermal_zone_device *thermal = NULL;
> +	struct kirkwood_thermal_priv *priv;
> +	struct resource *res;
> +
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +	if (!res) {
> +		dev_err(&pdev->dev, "Failed to get platform resource\n");
> +		return -ENODEV;
> +	}
> +
> +	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
> +	if (!priv)
> +		return -ENOMEM;
> +
> +	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
> +	if (!priv->sensor) {
> +		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
> +		return -EADDRNOTAVAIL;
> +	}
> +
> +	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
> +					       priv, &ops, NULL, 0, 0);
> +	if (IS_ERR(thermal)) {
> +		dev_err(&pdev->dev,
> +			"Failed to register thermal zone device\n");
> +		return PTR_ERR(thermal);
> +	}
> +
> +	platform_set_drvdata(pdev, thermal);
> +
> +	return 0;
> +}
> +
> +static int kirkwood_thermal_exit(struct platform_device *pdev)
> +{
> +	struct thermal_zone_device *kirkwood_thermal =
> +		platform_get_drvdata(pdev);
> +
> +	thermal_zone_device_unregister(kirkwood_thermal);
> +	platform_set_drvdata(pdev, NULL);
> +
> +	return 0;
> +}
> +
> +MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
> +
> +static struct platform_driver kirkwood_thermal_driver = {
> +	.probe = kirkwood_thermal_probe,
> +	.remove = kirkwood_thermal_exit,
> +	.driver = {
> +		.name = "kirkwood_thermal",
> +		.owner = THIS_MODULE,
> +		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
> +	},
> +};
> +
> +module_platform_driver(kirkwood_thermal_driver);
> +
> +MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
> +MODULE_DESCRIPTION("kirkwood thermal driver");
> +MODULE_LICENSE("GPL");
>

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Ezequiel Garcia April 11, 2013, 4:31 p.m. UTC | #3
Hi Eduardo,

Thanks for your testing.

On Thu, Apr 11, 2013 at 12:00:48PM -0400, Eduardo Valentin wrote:
> Hello Ezequiel,
> 
> Two minor comments.
> 
> On 22-03-2013 18:25, Ezequiel Garcia wrote:
> > This driver will support several Marvell SoC, so it is convenient
> > to rename it to 'mvebu' to represent accurately the hardware it
> > supports.
> >
> > Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
> >
> > ---
> > .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
> >   .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
> >   drivers/thermal/Kconfig                            |   10 +-
> >   drivers/thermal/Makefile                           |    2 +-
> >   drivers/thermal/kirkwood_thermal.c                 |  134 --------------------
> >   drivers/thermal/mvebu_thermal.c                    |  134 ++++++++++++++++++++
> >   6 files changed, 155 insertions(+), 155 deletions(-)
> >   delete mode 100644 Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
> >   create mode 100644 Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
> >   delete mode 100644 drivers/thermal/kirkwood_thermal.c
> >   create mode 100644 drivers/thermal/mvebu_thermal.c
> 
> When sending renames, use git format-patch --find-renames. The summary 
> will be much descriptive on what you have done.
> 

Yes, you're right I forgot about this.

> I tried applying this patch on top of linux-next, linus/master, 
> ruis/thermal, on top of the your suggested dependencies, and all failed. 
> What is your base?
>

Well, first of all this patchset has been dropped entirely after some discussion.
If you're interested in this discussion you can read:

  http://www.spinics.net/lists/arm-kernel/msg231697.html

If you still want to try this series, the easiest way is to try

  https://github.com/MISL-EBU-System-SW/mainline-public/commits/mvebu-thermal-v2

That branch is based on v3.9-rc2, with a bunch of patches applied as
explained in the cover letter.

I appreciate your feedback a lot, but this are really ancient patches!
You came in a little late :)
Eduardo Valentin April 11, 2013, 6:47 p.m. UTC | #4
On 11-04-2013 12:31, Ezequiel Garcia wrote:
> Hi Eduardo,
>
> Thanks for your testing.
>
> On Thu, Apr 11, 2013 at 12:00:48PM -0400, Eduardo Valentin wrote:
>> Hello Ezequiel,
>>
>> Two minor comments.
>>
>> On 22-03-2013 18:25, Ezequiel Garcia wrote:
>>> This driver will support several Marvell SoC, so it is convenient
>>> to rename it to 'mvebu' to represent accurately the hardware it
>>> supports.
>>>
>>> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
>>>
>>> ---
>>> .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
>>>    .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
>>>    drivers/thermal/Kconfig                            |   10 +-
>>>    drivers/thermal/Makefile                           |    2 +-
>>>    drivers/thermal/kirkwood_thermal.c                 |  134 --------------------
>>>    drivers/thermal/mvebu_thermal.c                    |  134 ++++++++++++++++++++
>>>    6 files changed, 155 insertions(+), 155 deletions(-)
>>>    delete mode 100644 Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
>>>    create mode 100644 Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
>>>    delete mode 100644 drivers/thermal/kirkwood_thermal.c
>>>    create mode 100644 drivers/thermal/mvebu_thermal.c
>>
>> When sending renames, use git format-patch --find-renames. The summary
>> will be much descriptive on what you have done.
>>
>
> Yes, you're right I forgot about this.
>
>> I tried applying this patch on top of linux-next, linus/master,
>> ruis/thermal, on top of the your suggested dependencies, and all failed.
>> What is your base?
>>
>
> Well, first of all this patchset has been dropped entirely after some discussion.
> If you're interested in this discussion you can read:
>
>    http://www.spinics.net/lists/arm-kernel/msg231697.html
>
> If you still want to try this series, the easiest way is to try
>
>    https://github.com/MISL-EBU-System-SW/mainline-public/commits/mvebu-thermal-v2
>
> That branch is based on v3.9-rc2, with a bunch of patches applied as
> explained in the cover letter.
>
> I appreciate your feedback a lot, but this are really ancient patches!
> You came in a little late :)


OK. Thanks for updating me. On the other hand. Some of your patches are 
still applicable. Can you please resend them based on kirkwood file still?

>

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Eduardo Valentin April 11, 2013, 6:57 p.m. UTC | #5
On 11-04-2013 14:47, Eduardo Valentin wrote:
> On 11-04-2013 12:31, Ezequiel Garcia wrote:
>> Hi Eduardo,
>>
>> Thanks for your testing.
>>
>> On Thu, Apr 11, 2013 at 12:00:48PM -0400, Eduardo Valentin wrote:
>>> Hello Ezequiel,
>>>
>>> Two minor comments.
>>>
>>> On 22-03-2013 18:25, Ezequiel Garcia wrote:
>>>> This driver will support several Marvell SoC, so it is convenient
>>>> to rename it to 'mvebu' to represent accurately the hardware it
>>>> supports.
>>>>
>>>> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
>>>>
>>>> ---
>>>> .../bindings/thermal/kirkwood-thermal.txt          |   15 ---
>>>>    .../devicetree/bindings/thermal/mvebu-thermal.txt  |   15 +++
>>>>    drivers/thermal/Kconfig                            |   10 +-
>>>>    drivers/thermal/Makefile                           |    2 +-
>>>>    drivers/thermal/kirkwood_thermal.c                 |  134
>>>> --------------------
>>>>    drivers/thermal/mvebu_thermal.c                    |  134
>>>> ++++++++++++++++++++
>>>>    6 files changed, 155 insertions(+), 155 deletions(-)
>>>>    delete mode 100644
>>>> Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
>>>>    create mode 100644
>>>> Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
>>>>    delete mode 100644 drivers/thermal/kirkwood_thermal.c
>>>>    create mode 100644 drivers/thermal/mvebu_thermal.c
>>>
>>> When sending renames, use git format-patch --find-renames. The summary
>>> will be much descriptive on what you have done.
>>>
>>
>> Yes, you're right I forgot about this.
>>
>>> I tried applying this patch on top of linux-next, linus/master,
>>> ruis/thermal, on top of the your suggested dependencies, and all failed.
>>> What is your base?
>>>
>>
>> Well, first of all this patchset has been dropped entirely after some
>> discussion.
>> If you're interested in this discussion you can read:
>>
>>    http://www.spinics.net/lists/arm-kernel/msg231697.html
>>
>> If you still want to try this series, the easiest way is to try
>>
>>
>> https://github.com/MISL-EBU-System-SW/mainline-public/commits/mvebu-thermal-v2
>>
>>
>> That branch is based on v3.9-rc2, with a bunch of patches applied as
>> explained in the cover letter.
>>
>> I appreciate your feedback a lot, but this are really ancient patches!
>> You came in a little late :)
>
>
> OK. Thanks for updating me. On the other hand. Some of your patches are
> still applicable. Can you please resend them based on kirkwood file still?
>

Specifically, patches 04/05/06 are still applicable to the kirkwood 
driver. Feel free to resend them with my Acked-by.

>>
>
>
>

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Ezequiel Garcia April 11, 2013, 7:09 p.m. UTC | #6
On Thu, Apr 11, 2013 at 02:47:27PM -0400, Eduardo Valentin wrote:
> >
> > I appreciate your feedback a lot, but this are really ancient patches!
> > You came in a little late :)
> 
> 
> OK. Thanks for updating me. On the other hand. Some of your patches are 
> still applicable. Can you please resend them based on kirkwood file still?
> 

Yes, that's the plan! (and thanks for remembering me)

I'll resubmit the appropriate patches, with your Acked-by.

Thanks for reviewing,
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt b/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
deleted file mode 100644
index 8c0f5eb..0000000
--- a/Documentation/devicetree/bindings/thermal/kirkwood-thermal.txt
+++ /dev/null
@@ -1,15 +0,0 @@ 
-* Kirkwood Thermal
-
-This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
-don't contain a thermal sensor.
-
-Required properties:
-- compatible : "marvell,kirkwood-thermal"
-- reg : Address range of the thermal registers
-
-Example:
-
-	thermal@10078 {
-		compatible = "marvell,kirkwood-thermal";
-		reg = <0x10078 0x4>;
-	};
diff --git a/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
new file mode 100644
index 0000000..8c0f5eb
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/mvebu-thermal.txt
@@ -0,0 +1,15 @@ 
+* Kirkwood Thermal
+
+This version is for Kirkwood 88F8262 & 88F6283 SoCs. Other kirkwoods
+don't contain a thermal sensor.
+
+Required properties:
+- compatible : "marvell,kirkwood-thermal"
+- reg : Address range of the thermal registers
+
+Example:
+
+	thermal@10078 {
+		compatible = "marvell,kirkwood-thermal";
+		reg = <0x10078 0x4>;
+	};
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index a764f16..74f6b97 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -101,13 +101,13 @@  config RCAR_THERMAL
 	  Enable this to plug the R-Car thermal sensor driver into the Linux
 	  thermal framework
 
-config KIRKWOOD_THERMAL
-	tristate "Temperature sensor on Marvell Kirkwood SoCs"
-	depends on ARCH_KIRKWOOD
+config MVEBU_THERMAL
+	tristate "Temperature sensor on Marvell EBU SoCs"
+	depends on PLAT_ORION
 	depends on OF
 	help
-	  Support for the Kirkwood thermal sensor driver into the Linux thermal
-	  framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
+	  Support for the thermal controllers available in several Marvell
+	  EBU SoCs in the thermal framework.
 
 config EXYNOS_THERMAL
 	tristate "Temperature sensor on Samsung EXYNOS"
diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
index d3a2b38..40293a1 100644
--- a/drivers/thermal/Makefile
+++ b/drivers/thermal/Makefile
@@ -15,7 +15,7 @@  obj-$(CONFIG_CPU_THERMAL)	+= cpu_cooling.o
 # platform thermal drivers
 obj-$(CONFIG_SPEAR_THERMAL)	+= spear_thermal.o
 obj-$(CONFIG_RCAR_THERMAL)	+= rcar_thermal.o
-obj-$(CONFIG_KIRKWOOD_THERMAL)  += kirkwood_thermal.o
+obj-$(CONFIG_MVEBU_THERMAL)	+= mvebu_thermal.o
 obj-$(CONFIG_EXYNOS_THERMAL)	+= exynos_thermal.o
 obj-$(CONFIG_DOVE_THERMAL)  	+= dove_thermal.o
 obj-$(CONFIG_DB8500_THERMAL)	+= db8500_thermal.o
diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
deleted file mode 100644
index 19320dd..0000000
--- a/drivers/thermal/kirkwood_thermal.c
+++ /dev/null
@@ -1,134 +0,0 @@ 
-/*
- * Kirkwood thermal sensor driver
- *
- * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-#include <linux/device.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/of.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/thermal.h>
-
-#define KIRKWOOD_THERMAL_VALID_OFFSET	9
-#define KIRKWOOD_THERMAL_VALID_MASK	0x1
-#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
-#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
-
-/* Kirkwood Thermal Sensor Dev Structure */
-struct kirkwood_thermal_priv {
-	void __iomem *sensor;
-};
-
-static int kirkwood_get_temp(struct thermal_zone_device *thermal,
-			  unsigned long *temp)
-{
-	unsigned long reg;
-	struct kirkwood_thermal_priv *priv = thermal->devdata;
-
-	reg = readl_relaxed(priv->sensor);
-
-	/* Valid check */
-	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
-	    KIRKWOOD_THERMAL_VALID_MASK)) {
-		dev_err(&thermal->device,
-			"Temperature sensor reading not valid\n");
-		return -EIO;
-	}
-
-	/*
-	 * Calculate temperature. According to Marvell internal
-	 * documentation the formula for this is:
-	 * Celsius = (322-reg)/1.3625
-	 */
-	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
-		KIRKWOOD_THERMAL_TEMP_MASK;
-	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
-
-	return 0;
-}
-
-static struct thermal_zone_device_ops ops = {
-	.get_temp = kirkwood_get_temp,
-};
-
-static const struct of_device_id kirkwood_thermal_id_table[] = {
-	{ .compatible = "marvell,kirkwood-thermal" },
-	{}
-};
-
-static int kirkwood_thermal_probe(struct platform_device *pdev)
-{
-	struct thermal_zone_device *thermal = NULL;
-	struct kirkwood_thermal_priv *priv;
-	struct resource *res;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Failed to get platform resource\n");
-		return -ENODEV;
-	}
-
-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
-	if (!priv->sensor) {
-		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
-		return -EADDRNOTAVAIL;
-	}
-
-	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
-					       priv, &ops, NULL, 0, 0);
-	if (IS_ERR(thermal)) {
-		dev_err(&pdev->dev,
-			"Failed to register thermal zone device\n");
-		return PTR_ERR(thermal);
-	}
-
-	platform_set_drvdata(pdev, thermal);
-
-	return 0;
-}
-
-static int kirkwood_thermal_exit(struct platform_device *pdev)
-{
-	struct thermal_zone_device *kirkwood_thermal =
-		platform_get_drvdata(pdev);
-
-	thermal_zone_device_unregister(kirkwood_thermal);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
-
-static struct platform_driver kirkwood_thermal_driver = {
-	.probe = kirkwood_thermal_probe,
-	.remove = kirkwood_thermal_exit,
-	.driver = {
-		.name = "kirkwood_thermal",
-		.owner = THIS_MODULE,
-		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
-	},
-};
-
-module_platform_driver(kirkwood_thermal_driver);
-
-MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
-MODULE_DESCRIPTION("kirkwood thermal driver");
-MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/mvebu_thermal.c b/drivers/thermal/mvebu_thermal.c
new file mode 100644
index 0000000..19320dd
--- /dev/null
+++ b/drivers/thermal/mvebu_thermal.c
@@ -0,0 +1,134 @@ 
+/*
+ * Kirkwood thermal sensor driver
+ *
+ * Copyright (C) 2012 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/thermal.h>
+
+#define KIRKWOOD_THERMAL_VALID_OFFSET	9
+#define KIRKWOOD_THERMAL_VALID_MASK	0x1
+#define KIRKWOOD_THERMAL_TEMP_OFFSET	10
+#define KIRKWOOD_THERMAL_TEMP_MASK	0x1FF
+
+/* Kirkwood Thermal Sensor Dev Structure */
+struct kirkwood_thermal_priv {
+	void __iomem *sensor;
+};
+
+static int kirkwood_get_temp(struct thermal_zone_device *thermal,
+			  unsigned long *temp)
+{
+	unsigned long reg;
+	struct kirkwood_thermal_priv *priv = thermal->devdata;
+
+	reg = readl_relaxed(priv->sensor);
+
+	/* Valid check */
+	if (!((reg >> KIRKWOOD_THERMAL_VALID_OFFSET) &
+	    KIRKWOOD_THERMAL_VALID_MASK)) {
+		dev_err(&thermal->device,
+			"Temperature sensor reading not valid\n");
+		return -EIO;
+	}
+
+	/*
+	 * Calculate temperature. According to Marvell internal
+	 * documentation the formula for this is:
+	 * Celsius = (322-reg)/1.3625
+	 */
+	reg = (reg >> KIRKWOOD_THERMAL_TEMP_OFFSET) &
+		KIRKWOOD_THERMAL_TEMP_MASK;
+	*temp = ((3220000000UL - (10000000UL * reg)) / 13625);
+
+	return 0;
+}
+
+static struct thermal_zone_device_ops ops = {
+	.get_temp = kirkwood_get_temp,
+};
+
+static const struct of_device_id kirkwood_thermal_id_table[] = {
+	{ .compatible = "marvell,kirkwood-thermal" },
+	{}
+};
+
+static int kirkwood_thermal_probe(struct platform_device *pdev)
+{
+	struct thermal_zone_device *thermal = NULL;
+	struct kirkwood_thermal_priv *priv;
+	struct resource *res;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		dev_err(&pdev->dev, "Failed to get platform resource\n");
+		return -ENODEV;
+	}
+
+	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
+	if (!priv->sensor) {
+		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
+		return -EADDRNOTAVAIL;
+	}
+
+	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
+					       priv, &ops, NULL, 0, 0);
+	if (IS_ERR(thermal)) {
+		dev_err(&pdev->dev,
+			"Failed to register thermal zone device\n");
+		return PTR_ERR(thermal);
+	}
+
+	platform_set_drvdata(pdev, thermal);
+
+	return 0;
+}
+
+static int kirkwood_thermal_exit(struct platform_device *pdev)
+{
+	struct thermal_zone_device *kirkwood_thermal =
+		platform_get_drvdata(pdev);
+
+	thermal_zone_device_unregister(kirkwood_thermal);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+MODULE_DEVICE_TABLE(of, kirkwood_thermal_id_table);
+
+static struct platform_driver kirkwood_thermal_driver = {
+	.probe = kirkwood_thermal_probe,
+	.remove = kirkwood_thermal_exit,
+	.driver = {
+		.name = "kirkwood_thermal",
+		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(kirkwood_thermal_id_table),
+	},
+};
+
+module_platform_driver(kirkwood_thermal_driver);
+
+MODULE_AUTHOR("Nobuhiro Iwamatsu <iwamatsu@nigauri.org>");
+MODULE_DESCRIPTION("kirkwood thermal driver");
+MODULE_LICENSE("GPL");