[168/182] mfd: ucb1x00: use gpiochip data pointer

This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

---
Lee please ACK this so I can take it through the GPIO tree.
---
 drivers/mfd/ucb1x00-core.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

-- 
2.4.3

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On Wed, 09 Dec 2015, Linus Walleij wrote:

> This makes the driver use the data pointer added to the gpio_chip

> to store a pointer to the state container instead of relying on

> container_of().

> 

> Cc: Lee Jones <lee.jones@linaro.org>

> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

> ---

> Lee please ACK this so I can take it through the GPIO tree.

> ---

>  drivers/mfd/ucb1x00-core.c | 14 +++++++-------

>  1 file changed, 7 insertions(+), 7 deletions(-)


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


> diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c

> index a6ec7cc0fac6..84d0757b8c5d 100644

> --- a/drivers/mfd/ucb1x00-core.c

> +++ b/drivers/mfd/ucb1x00-core.c

> @@ -28,7 +28,7 @@

>  #include <linux/mutex.h>

>  #include <linux/mfd/ucb1x00.h>

>  #include <linux/pm.h>

> -#include <linux/gpio.h>

> +#include <linux/gpio/driver.h>

>  

>  static DEFINE_MUTEX(ucb1x00_mutex);

>  static LIST_HEAD(ucb1x00_drivers);

> @@ -109,7 +109,7 @@ unsigned int ucb1x00_io_read(struct ucb1x00 *ucb)

>  

>  static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value)

>  {

> -	struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);

> +	struct ucb1x00 *ucb = gpiochip_get_data(chip);

>  	unsigned long flags;

>  

>  	spin_lock_irqsave(&ucb->io_lock, flags);

> @@ -126,7 +126,7 @@ static void ucb1x00_gpio_set(struct gpio_chip *chip, unsigned offset, int value)

>  

>  static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)

>  {

> -	struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);

> +	struct ucb1x00 *ucb = gpiochip_get_data(chip);

>  	unsigned val;

>  

>  	ucb1x00_enable(ucb);

> @@ -138,7 +138,7 @@ static int ucb1x00_gpio_get(struct gpio_chip *chip, unsigned offset)

>  

>  static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)

>  {

> -	struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);

> +	struct ucb1x00 *ucb = gpiochip_get_data(chip);

>  	unsigned long flags;

>  

>  	spin_lock_irqsave(&ucb->io_lock, flags);

> @@ -154,7 +154,7 @@ static int ucb1x00_gpio_direction_input(struct gpio_chip *chip, unsigned offset)

>  static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset

>  		, int value)

>  {

> -	struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);

> +	struct ucb1x00 *ucb = gpiochip_get_data(chip);

>  	unsigned long flags;

>  	unsigned old, mask = 1 << offset;

>  

> @@ -181,7 +181,7 @@ static int ucb1x00_gpio_direction_output(struct gpio_chip *chip, unsigned offset

>  

>  static int ucb1x00_to_irq(struct gpio_chip *chip, unsigned offset)

>  {

> -	struct ucb1x00 *ucb = container_of(chip, struct ucb1x00, gpio);

> +	struct ucb1x00 *ucb = gpiochip_get_data(chip);

>  

>  	return ucb->irq_base > 0 ? ucb->irq_base + offset : -ENXIO;

>  }

> @@ -579,7 +579,7 @@ static int ucb1x00_probe(struct mcp *mcp)

>  		ucb->gpio.direction_input = ucb1x00_gpio_direction_input;

>  		ucb->gpio.direction_output = ucb1x00_gpio_direction_output;

>  		ucb->gpio.to_irq = ucb1x00_to_irq;

> -		ret = gpiochip_add(&ucb->gpio);

> +		ret = gpiochip_add_data(&ucb->gpio, ucb);

>  		if (ret)

>  			goto err_gpio_add;

>  	} else


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