diff mbox

[4/9] mfd: htc-i2cpld: Use gpiochip data pointer

Message ID 1459327689-12786-5-git-send-email-linus.walleij@linaro.org
State Accepted
Commit ed1c9b3c18e33a69da0a911eadf4948ea7e5b5b9
Headers show

Commit Message

Linus Walleij March 30, 2016, 8:48 a.m. UTC
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().

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

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

---
 drivers/mfd/htc-i2cpld.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

-- 
2.4.3

Comments

Lee Jones April 11, 2016, 11:48 a.m. UTC | #1
On Wed, 30 Mar 2016, 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().

> 

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

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

> ---

>  drivers/mfd/htc-i2cpld.c | 15 +++++----------

>  1 file changed, 5 insertions(+), 10 deletions(-)


Applied, thanks.

> diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c

> index bd6b96d07ab8..3f9eee5f8fb9 100644

> --- a/drivers/mfd/htc-i2cpld.c

> +++ b/drivers/mfd/htc-i2cpld.c

> @@ -227,8 +227,7 @@ static irqreturn_t htcpld_handler(int irq, void *dev)

>  static void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)

>  {

>  	struct i2c_client *client;

> -	struct htcpld_chip *chip_data =

> -		container_of(chip, struct htcpld_chip, chip_out);

> +	struct htcpld_chip *chip_data = gpiochip_get_data(chip);

>  	unsigned long flags;

>  

>  	client = chip_data->client;

> @@ -257,14 +256,12 @@ static void htcpld_chip_set_ni(struct work_struct *work)

>  

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

>  {

> -	struct htcpld_chip *chip_data;

> +	struct htcpld_chip *chip_data = gpiochip_get_data(chip);

>  	u8 cache;

>  

>  	if (!strncmp(chip->label, "htcpld-out", 10)) {

> -		chip_data = container_of(chip, struct htcpld_chip, chip_out);

>  		cache = chip_data->cache_out;

>  	} else if (!strncmp(chip->label, "htcpld-in", 9)) {

> -		chip_data = container_of(chip, struct htcpld_chip, chip_in);

>  		cache = chip_data->cache_in;

>  	} else

>  		return -EINVAL;

> @@ -291,9 +288,7 @@ static int htcpld_direction_input(struct gpio_chip *chip,

>  

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

>  {

> -	struct htcpld_chip *chip_data;

> -

> -	chip_data = container_of(chip, struct htcpld_chip, chip_in);

> +	struct htcpld_chip *chip_data = gpiochip_get_data(chip);

>  

>  	if (offset < chip_data->nirqs)

>  		return chip_data->irq_start + offset;

> @@ -451,14 +446,14 @@ static int htcpld_register_chip_gpio(

>  	gpio_chip->ngpio           = plat_chip_data->num_gpios;

>  

>  	/* Add the GPIO chips */

> -	ret = gpiochip_add(&(chip->chip_out));

> +	ret = gpiochip_add_data(&(chip->chip_out), chip);

>  	if (ret) {

>  		dev_warn(dev, "Unable to register output GPIOs for 0x%x: %d\n",

>  			 plat_chip_data->addr, ret);

>  		return ret;

>  	}

>  

> -	ret = gpiochip_add(&(chip->chip_in));

> +	ret = gpiochip_add_data(&(chip->chip_in), chip);

>  	if (ret) {

>  		dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n",

>  			 plat_chip_data->addr, ret);


-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
diff mbox

Patch

diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c
index bd6b96d07ab8..3f9eee5f8fb9 100644
--- a/drivers/mfd/htc-i2cpld.c
+++ b/drivers/mfd/htc-i2cpld.c
@@ -227,8 +227,7 @@  static irqreturn_t htcpld_handler(int irq, void *dev)
 static void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)
 {
 	struct i2c_client *client;
-	struct htcpld_chip *chip_data =
-		container_of(chip, struct htcpld_chip, chip_out);
+	struct htcpld_chip *chip_data = gpiochip_get_data(chip);
 	unsigned long flags;
 
 	client = chip_data->client;
@@ -257,14 +256,12 @@  static void htcpld_chip_set_ni(struct work_struct *work)
 
 static int htcpld_chip_get(struct gpio_chip *chip, unsigned offset)
 {
-	struct htcpld_chip *chip_data;
+	struct htcpld_chip *chip_data = gpiochip_get_data(chip);
 	u8 cache;
 
 	if (!strncmp(chip->label, "htcpld-out", 10)) {
-		chip_data = container_of(chip, struct htcpld_chip, chip_out);
 		cache = chip_data->cache_out;
 	} else if (!strncmp(chip->label, "htcpld-in", 9)) {
-		chip_data = container_of(chip, struct htcpld_chip, chip_in);
 		cache = chip_data->cache_in;
 	} else
 		return -EINVAL;
@@ -291,9 +288,7 @@  static int htcpld_direction_input(struct gpio_chip *chip,
 
 static int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset)
 {
-	struct htcpld_chip *chip_data;
-
-	chip_data = container_of(chip, struct htcpld_chip, chip_in);
+	struct htcpld_chip *chip_data = gpiochip_get_data(chip);
 
 	if (offset < chip_data->nirqs)
 		return chip_data->irq_start + offset;
@@ -451,14 +446,14 @@  static int htcpld_register_chip_gpio(
 	gpio_chip->ngpio           = plat_chip_data->num_gpios;
 
 	/* Add the GPIO chips */
-	ret = gpiochip_add(&(chip->chip_out));
+	ret = gpiochip_add_data(&(chip->chip_out), chip);
 	if (ret) {
 		dev_warn(dev, "Unable to register output GPIOs for 0x%x: %d\n",
 			 plat_chip_data->addr, ret);
 		return ret;
 	}
 
-	ret = gpiochip_add(&(chip->chip_in));
+	ret = gpiochip_add_data(&(chip->chip_in), chip);
 	if (ret) {
 		dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n",
 			 plat_chip_data->addr, ret);