gpio: tc3589x: get rid of platform data

This device is only used from the device tree, and the startup()
and remove() callbacks are not used anywhere in the kernel, so
retire them and the pdata altogether.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
MFD folks: this only considers GPIO but touches your include
file, please ACK this so I can take it through the GPIO tree.
---
 drivers/gpio/gpio-tc3589x.c | 15 ++-------------
 include/linux/mfd/tc3589x.h | 12 ------------
 2 files changed, 2 insertions(+), 25 deletions(-)

On Mon, 15 Dec 2014, Linus Walleij wrote:

> This device is only used from the device tree, and the startup()
> and remove() callbacks are not used anywhere in the kernel, so
> retire them and the pdata altogether.
> 
> Cc: Lee Jones <lee.jones@linaro.org>
> Cc: Samuel Ortiz <sameo@linux.intel.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> MFD folks: this only considers GPIO but touches your include
> file, please ACK this so I can take it through the GPIO tree.
> ---
>  drivers/gpio/gpio-tc3589x.c | 15 ++-------------
>  include/linux/mfd/tc3589x.h | 12 ------------
>  2 files changed, 2 insertions(+), 25 deletions(-)

Looks fine.

Acked-by: Lee Jones <lee.jones@linaro.org>

> diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c
> index abdcf58935f5..11aed2671065 100644
> --- a/drivers/gpio/gpio-tc3589x.c
> +++ b/drivers/gpio/gpio-tc3589x.c
> @@ -232,16 +232,13 @@ static irqreturn_t tc3589x_gpio_irq(int irq, void *dev)
>  static int tc3589x_gpio_probe(struct platform_device *pdev)
>  {
>  	struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent);
> -	struct tc3589x_gpio_platform_data *pdata;
>  	struct device_node *np = pdev->dev.of_node;
>  	struct tc3589x_gpio *tc3589x_gpio;
>  	int ret;
>  	int irq;
>  
> -	pdata = tc3589x->pdata->gpio;
> -
> -	if (!(pdata || np)) {
> -		dev_err(&pdev->dev, "No platform data or Device Tree found\n");
> +	if (!np) {
> +		dev_err(&pdev->dev, "No Device Tree node found\n");
>  		return -EINVAL;
>  	}
>  
> @@ -305,9 +302,6 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
>  				     irq,
>  				     NULL);
>  
> -	if (pdata && pdata->setup)
> -		pdata->setup(tc3589x, tc3589x_gpio->chip.base);
> -
>  	platform_set_drvdata(pdev, tc3589x_gpio);
>  
>  	return 0;
> @@ -316,11 +310,6 @@ static int tc3589x_gpio_probe(struct platform_device *pdev)
>  static int tc3589x_gpio_remove(struct platform_device *pdev)
>  {
>  	struct tc3589x_gpio *tc3589x_gpio = platform_get_drvdata(pdev);
> -	struct tc3589x *tc3589x = tc3589x_gpio->tc3589x;
> -	struct tc3589x_gpio_platform_data *pdata = tc3589x->pdata->gpio;
> -
> -	if (pdata && pdata->remove)
> -		pdata->remove(tc3589x, tc3589x_gpio->chip.base);
>  
>  	gpiochip_remove(&tc3589x_gpio->chip);
>  
> diff --git a/include/linux/mfd/tc3589x.h b/include/linux/mfd/tc3589x.h
> index e1c12d84c26a..c203c9c56776 100644
> --- a/include/linux/mfd/tc3589x.h
> +++ b/include/linux/mfd/tc3589x.h
> @@ -163,24 +163,12 @@ struct tc3589x_keypad_platform_data {
>  };
>  
>  /**
> - * struct tc3589x_gpio_platform_data - TC3589x GPIO platform data
> - * @setup: callback for board-specific initialization
> - * @remove: callback for board-specific teardown
> - */
> -struct tc3589x_gpio_platform_data {
> -	void (*setup)(struct tc3589x *tc3589x, unsigned gpio_base);
> -	void (*remove)(struct tc3589x *tc3589x, unsigned gpio_base);
> -};
> -
> -/**
>   * struct tc3589x_platform_data - TC3589x platform data
>   * @block: bitmask of blocks to enable (use TC3589x_BLOCK_*)
> - * @gpio: GPIO-specific platform data
>   * @keypad: keypad-specific platform data
>   */
>  struct tc3589x_platform_data {
>  	unsigned int block;
> -	struct tc3589x_gpio_platform_data *gpio;
>  	const struct tc3589x_keypad_platform_data *keypad;
>  };
>