diff options
Diffstat (limited to 'drivers/gpio/gpio-pca9570.c')
| -rw-r--r-- | drivers/gpio/gpio-pca9570.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c index 6c07a8811a7a..c5a1287079a0 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; }; @@ -30,13 +30,13 @@ struct pca9570_platform_data { /** * struct pca9570 - GPIO driver data * @chip: GPIO controller chip - * @p_data: GPIO controller platform data + * @chip_data: GPIO controller platform data * @lock: Protects write sequences * @out: Buffer for device register */ 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); } @@ -88,7 +88,7 @@ static int pca9570_get(struct gpio_chip *chip, unsigned offset) return !!(buffer & BIT(offset)); } -static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value) +static int pca9570_set(struct gpio_chip *chip, unsigned int offset, int value) { struct pca9570 *gpio = gpiochip_get_data(chip); u8 buffer; @@ -110,6 +110,7 @@ static void pca9570_set(struct gpio_chip *chip, unsigned offset, int value) out: mutex_unlock(&gpio->lock); + return ret; } static int pca9570_probe(struct i2c_client *client) @@ -127,8 +128,8 @@ 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 +142,15 @@ 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, }; @@ -175,7 +176,7 @@ static struct i2c_driver pca9570_driver = { .name = "pca9570", .of_match_table = pca9570_of_match_table, }, - .probe_new = pca9570_probe, + .probe = pca9570_probe, .id_table = pca9570_id_table, }; module_i2c_driver(pca9570_driver); |