Re: [PATCH 2/2] mfd: tc3589x: enforce device-tree only mode

[Lee Jones]

On Thu, 19 Mar 2015, Linus Walleij wrote:

> All systems using the TC3589x multifunction expander uses
> devicetree, so don't clutter the place with a lot of
> and assume it is there.
> 
> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> Cc: Lee Jones <lee.jones@xxxxxxxxxx>
> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> ---
>  drivers/gpio/Kconfig                    | 1 +
>  drivers/gpio/gpio-tc3589x.c             | 3 ---
>  drivers/input/keyboard/tc3589x-keypad.c | 9 ---------
>  drivers/mfd/Kconfig                     | 1 +
>  drivers/mfd/tc3589x.c                   | 9 ---------
>  5 files changed, 2 insertions(+), 21 deletions(-)

Applied, thanks.

> diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
> index c1e2ca3d9a51..dc1aaa83a347 100644
> --- a/drivers/gpio/Kconfig
> +++ b/drivers/gpio/Kconfig
> @@ -669,6 +669,7 @@ config GPIO_STP_XWAY
>  config GPIO_TC3589X
>  	bool "TC3589X GPIOs"
>  	depends on MFD_TC3589X
> +	depends on OF_GPIO
>  	select GPIOLIB_IRQCHIP
>  	help
>  	  This enables support for the GPIOs found on the TC3589X
> diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c
> index 11aed2671065..31b244cffabb 100644
> --- a/drivers/gpio/gpio-tc3589x.c
> +++ b/drivers/gpio/gpio-tc3589x.c
> @@ -260,10 +260,7 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
>  	tc3589x_gpio->chip.ngpio = tc3589x->num_gpio;
>  	tc3589x_gpio->chip.dev = &pdev->dev;
>  	tc3589x_gpio->chip.base = -1;
> -
> -#ifdef CONFIG_OF_GPIO
>  	tc3589x_gpio->chip.of_node = np;
> -#endif
>  
>  	/* Bring the GPIO module out of reset */
>  	ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL,
> diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c
> index 0ccc7de9b59d..08e62e6aeb1b 100644
> --- a/drivers/input/keyboard/tc3589x-keypad.c
> +++ b/drivers/input/keyboard/tc3589x-keypad.c
> @@ -318,7 +318,6 @@ static void tc3589x_keypad_close(struct input_dev *input)
>  	tc3589x_keypad_disable(keypad);
>  }
>  
> -#ifdef CONFIG_OF
>  static const struct tc3589x_keypad_platform_data *
>  tc3589x_keypad_of_probe(struct device *dev)
>  {
> @@ -368,14 +367,6 @@ tc3589x_keypad_of_probe(struct device *dev)
>  
>  	return plat;
>  }
> -#else
> -static inline const struct tc3589x_keypad_platform_data *
> -tc3589x_keypad_of_probe(struct device *dev)
> -{
> -	return ERR_PTR(-ENODEV);
> -}
> -#endif
> -
>  
>  static int tc3589x_keypad_probe(struct platform_device *pdev)
>  {
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 38356e39adba..476e63745742 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -1210,6 +1210,7 @@ config MFD_TIMBERDALE
>  config MFD_TC3589X
>  	bool "Toshiba TC35892 and variants"
>  	depends on I2C=y
> +	depends on OF
>  	select MFD_CORE
>  	help
>  	  Support for the Toshiba TC35892 and variants I/O Expander.
> diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
> index aacb3720065c..cf356395c9e9 100644
> --- a/drivers/mfd/tc3589x.c
> +++ b/drivers/mfd/tc3589x.c
> @@ -318,7 +318,6 @@ static int tc3589x_device_init(struct tc3589x *tc3589x)
>  	return ret;
>  }
>  
> -#ifdef CONFIG_OF
>  static const struct of_device_id tc3589x_match[] = {
>  	/* Legacy compatible string */
>  	{ .compatible = "tc3589x", .data = (void *) TC3589X_UNKNOWN },
> @@ -359,14 +358,6 @@ tc3589x_of_probe(struct device *dev, enum tc3589x_version *version)
>  
>  	return pdata;
>  }
> -#else
> -static inline struct tc3589x_platform_data *
> -tc3589x_of_probe(struct device *dev, enum tc3589x_version *version)
> -{
> -	dev_err(dev, "no device tree support\n");
> -	return ERR_PTR(-ENODEV);
> -}
> -#endif
>  
>  static int tc3589x_probe(struct i2c_client *i2c,
>  				   const struct i2c_device_id *id)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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