diff options
Diffstat (limited to 'drivers/staging/greybus/gpio.c')
| -rw-r--r-- | drivers/staging/greybus/gpio.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c index 250caa00de5e..ee5f998b174f 100644 --- a/drivers/staging/greybus/gpio.c +++ b/drivers/staging/greybus/gpio.c @@ -410,21 +410,21 @@ static int gb_gpio_request_handler(struct gb_operation *op) return 0; } -static int gb_gpio_request(struct gpio_chip *chip, unsigned offset) +static int gb_gpio_request(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); return gb_gpio_activate_operation(ggc, (u8)offset); } -static void gb_gpio_free(struct gpio_chip *chip, unsigned offset) +static void gb_gpio_free(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); gb_gpio_deactivate_operation(ggc, (u8)offset); } -static int gb_gpio_get_direction(struct gpio_chip *chip, unsigned offset) +static int gb_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); u8 which; @@ -438,22 +438,22 @@ static int gb_gpio_get_direction(struct gpio_chip *chip, unsigned offset) return ggc->lines[which].direction ? 1 : 0; } -static int gb_gpio_direction_input(struct gpio_chip *chip, unsigned offset) +static int gb_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); return gb_gpio_direction_in_operation(ggc, (u8)offset); } -static int gb_gpio_direction_output(struct gpio_chip *chip, unsigned offset, - int value) +static int gb_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, + int value) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); return gb_gpio_direction_out_operation(ggc, (u8)offset, !!value); } -static int gb_gpio_get(struct gpio_chip *chip, unsigned offset) +static int gb_gpio_get(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); u8 which; @@ -467,24 +467,27 @@ static int gb_gpio_get(struct gpio_chip *chip, unsigned offset) return ggc->lines[which].value; } -static void gb_gpio_set(struct gpio_chip *chip, unsigned offset, int value) +static void gb_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); gb_gpio_set_value_operation(ggc, (u8)offset, !!value); } -static int gb_gpio_set_debounce(struct gpio_chip *chip, unsigned offset, - unsigned debounce) +static int gb_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); - u16 usec; + u32 debounce; + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); if (debounce > U16_MAX) return -EINVAL; - usec = (u16)debounce; - return gb_gpio_set_debounce_operation(ggc, (u8)offset, usec); + return gb_gpio_set_debounce_operation(ggc, (u8)offset, (u16)debounce); } static int gb_gpio_controller_setup(struct gb_gpio_controller *ggc) @@ -557,7 +560,8 @@ static void gb_gpio_irqchip_remove(struct gb_gpio_controller *ggc) /* Remove all IRQ mappings and delete the domain */ if (ggc->irqdomain) { for (offset = 0; offset < (ggc->line_max + 1); offset++) - irq_dispose_mapping(irq_find_mapping(ggc->irqdomain, offset)); + irq_dispose_mapping(irq_find_mapping(ggc->irqdomain, + offset)); irq_domain_remove(ggc->irqdomain); } @@ -593,7 +597,7 @@ static int gb_gpio_irqchip_add(struct gpio_chip *chip, { struct gb_gpio_controller *ggc; unsigned int offset; - unsigned irq_base; + unsigned int irq_base; if (!chip || !irqchip) return -EINVAL; @@ -625,7 +629,7 @@ static int gb_gpio_irqchip_add(struct gpio_chip *chip, return 0; } -static int gb_gpio_to_irq(struct gpio_chip *chip, unsigned offset) +static int gb_gpio_to_irq(struct gpio_chip *chip, unsigned int offset) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); @@ -689,7 +693,7 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev, gpio->direction_output = gb_gpio_direction_output; gpio->get = gb_gpio_get; gpio->set = gb_gpio_set; - gpio->set_debounce = gb_gpio_set_debounce; + gpio->set_config = gb_gpio_set_config; gpio->to_irq = gb_gpio_to_irq; gpio->base = -1; /* Allocate base dynamically */ gpio->ngpio = ggc->line_max + 1; |