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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>
hifive-unleashed-5.1
Thierry Reding 2017-04-03 18:05:21 +02:00 committed by Linus Walleij
parent d69843e416
commit 6f79309acc
2 changed files with 6 additions and 6 deletions
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6
drivers/gpio/gpiolib.c
View File

@ -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");

6
include/linux/gpio/driver.h
View File

@ -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,