diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-sx150x.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-sx150x.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-sx150x.c b/drivers/pinctrl/pinctrl-sx150x.c index ef4ef88e0ee9..f9e559e22537 100644 --- a/drivers/pinctrl/pinctrl-sx150x.c +++ b/drivers/pinctrl/pinctrl-sx150x.c @@ -395,6 +395,15 @@ static void sx150x_gpio_set(struct gpio_chip *chip, unsigned int offset, } +static void sx150x_gpio_set_multiple(struct gpio_chip *chip, + unsigned long *mask, + unsigned long *bits) +{ + struct sx150x_pinctrl *pctl = gpiochip_get_data(chip); + + regmap_write_bits(pctl->regmap, pctl->data->reg_data, *mask, *bits); +} + static int sx150x_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { @@ -1075,6 +1084,14 @@ static int sx150x_probe(struct i2c_client *client, pctl->gpio.of_node = dev->of_node; #endif pctl->gpio.can_sleep = true; + /* + * Setting multiple pins is not safe when all pins are not + * handled by the same regmap register. The oscio pin (present + * on the SX150X_789 chips) lives in its own register, so + * would require locking that is not in place at this time. + */ + if (pctl->data->model != SX150X_789) + pctl->gpio.set_multiple = sx150x_gpio_set_multiple; ret = devm_gpiochip_add_data(dev, &pctl->gpio, pctl); if (ret) |