Re: [PATCH] gpio: pca9570: rename platform_data to chip_data

From: Andy Shevchenko
Date: Fri Dec 30 2022 - 06:53:17 EST


On Fri, Dec 30, 2022 at 11:00:44AM +0100, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
>
> By convention platform_data refers to structures passed to drivers by
> code that registers devices. When talking about model-specific data
> structures associated with OF compatibles, we usually call them chip_data.
>
> In order to avoid confusion rename all mentions of platform_data to
> chip_data.

Fine by me,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Fixes: fbb19fe17eae ("gpio: pca9570: add slg7xl45106 support")
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> ---
> drivers/gpio/gpio-pca9570.c | 24 ++++++++++++------------
> 1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c
> index 6c07a8811a7a..6a5a8e593ed5 100644
> --- a/drivers/gpio/gpio-pca9570.c
> +++ b/drivers/gpio/gpio-pca9570.c
> @@ -18,11 +18,11 @@
> #define SLG7XL45106_GPO_REG 0xDB
>
> /**
> - * struct pca9570_platform_data - GPIO platformdata
> + * struct pca9570_chip_data - GPIO platformdata
> * @ngpio: no of gpios
> * @command: Command to be sent
> */
> -struct pca9570_platform_data {
> +struct pca9570_chip_data {
> u16 ngpio;
> u32 command;
> };
> @@ -36,7 +36,7 @@ struct pca9570_platform_data {
> */
> struct pca9570 {
> struct gpio_chip chip;
> - const struct pca9570_platform_data *p_data;
> + const struct pca9570_chip_data *chip_data;
> struct mutex lock;
> u8 out;
> };
> @@ -46,8 +46,8 @@ static int pca9570_read(struct pca9570 *gpio, u8 *value)
> struct i2c_client *client = to_i2c_client(gpio->chip.parent);
> int ret;
>
> - if (gpio->p_data->command != 0)
> - ret = i2c_smbus_read_byte_data(client, gpio->p_data->command);
> + if (gpio->chip_data->command != 0)
> + ret = i2c_smbus_read_byte_data(client, gpio->chip_data->command);
> else
> ret = i2c_smbus_read_byte(client);
>
> @@ -62,8 +62,8 @@ static int pca9570_write(struct pca9570 *gpio, u8 value)
> {
> struct i2c_client *client = to_i2c_client(gpio->chip.parent);
>
> - if (gpio->p_data->command != 0)
> - return i2c_smbus_write_byte_data(client, gpio->p_data->command, value);
> + if (gpio->chip_data->command != 0)
> + return i2c_smbus_write_byte_data(client, gpio->chip_data->command, value);
>
> return i2c_smbus_write_byte(client, value);
> }
> @@ -127,8 +127,8 @@ static int pca9570_probe(struct i2c_client *client)
> gpio->chip.get = pca9570_get;
> gpio->chip.set = pca9570_set;
> gpio->chip.base = -1;
> - gpio->p_data = device_get_match_data(&client->dev);
> - gpio->chip.ngpio = gpio->p_data->ngpio;
> + gpio->chip_data = device_get_match_data(&client->dev);
> + gpio->chip.ngpio = gpio->chip_data->ngpio;
> gpio->chip.can_sleep = true;
>
> mutex_init(&gpio->lock);
> @@ -141,15 +141,15 @@ static int pca9570_probe(struct i2c_client *client)
> return devm_gpiochip_add_data(&client->dev, &gpio->chip, gpio);
> }
>
> -static const struct pca9570_platform_data pca9570_gpio = {
> +static const struct pca9570_chip_data pca9570_gpio = {
> .ngpio = 4,
> };
>
> -static const struct pca9570_platform_data pca9571_gpio = {
> +static const struct pca9570_chip_data pca9571_gpio = {
> .ngpio = 8,
> };
>
> -static const struct pca9570_platform_data slg7xl45106_gpio = {
> +static const struct pca9570_chip_data slg7xl45106_gpio = {
> .ngpio = 8,
> .command = SLG7XL45106_GPO_REG,
> };
> --
> 2.37.2
>

--
With Best Regards,
Andy Shevchenko