diff options
| author | Thierry Reding <treding@nvidia.com> | 2017-04-03 18:05:21 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-04-13 14:16:23 +0200 |
| commit | 6f79309acc32b025064a496dbfcd4c70c557294e (patch) | |
| tree | bd1102f07ca369e5102678108417e4540bee9229 | |
| parent | gpio: f7188x: Add F71889A GPIO support. (diff) | |
| download | linux-6f79309acc32b025064a496dbfcd4c70c557294e.tar.xz linux-6f79309acc32b025064a496dbfcd4c70c557294e.zip | |
gpio: Use unsigned int for interrupt numbers
Interrupt numbers are never negative, zero serves as the special invalid
value.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpiolib.c | 6 | ||||
| -rw-r--r-- | include/linux/gpio/driver.h | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index d11eb2abfced..1d1fa7248d63 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -1522,7 +1522,7 @@ static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip, */ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip, struct irq_chip *irqchip, - int parent_irq, + unsigned int parent_irq, irq_flow_handler_t parent_handler) { unsigned int offset; @@ -1571,7 +1571,7 @@ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip, */ void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip, struct irq_chip *irqchip, - int parent_irq, + unsigned int parent_irq, irq_flow_handler_t parent_handler) { gpiochip_set_cascaded_irqchip(gpiochip, irqchip, parent_irq, @@ -1588,7 +1588,7 @@ EXPORT_SYMBOL_GPL(gpiochip_set_chained_irqchip); */ void gpiochip_set_nested_irqchip(struct gpio_chip *gpiochip, struct irq_chip *irqchip, - int parent_irq) + unsigned int parent_irq) { if (!gpiochip->irq_nested) { chip_err(gpiochip, "tried to nest a chained gpiochip\n"); diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 846f3b989480..393582867afd 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -168,7 +168,7 @@ struct gpio_chip { unsigned int irq_base; irq_flow_handler_t irq_handler; unsigned int irq_default_type; - int irq_chained_parent; + unsigned int irq_chained_parent; bool irq_nested; bool irq_need_valid_mask; unsigned long *irq_valid_mask; @@ -244,12 +244,12 @@ int bgpio_init(struct gpio_chip *gc, struct device *dev, void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip, struct irq_chip *irqchip, - int parent_irq, + unsigned int parent_irq, irq_flow_handler_t parent_handler); void gpiochip_set_nested_irqchip(struct gpio_chip *gpiochip, struct irq_chip *irqchip, - int parent_irq); + unsigned int parent_irq); int gpiochip_irqchip_add_key(struct gpio_chip *gpiochip, struct irq_chip *irqchip, |