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[ARM] KS8695: Add GPIO to IRQ mapping function 

Use the GPIOlib .to_irq call to map KS8695 GPIOs
to the relevant IRQ line.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Ben Dooks 2008-12-13 20:44:13 +00:00
parent 72880ad866
commit 7ef71320eb
2 changed files with 3 additions and 8 deletions
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5
arch/arm/mach-ks8695/gpio.c
View File

@ -197,15 +197,13 @@ static int ks8695_gpio_get_value(struct gpio_chip *gc, unsigned int pin)
/*
* Map GPIO line to IRQ number.
*/
int gpio_to_irq(unsigned int pin)
static int ks8695_gpio_to_irq(struct gpio_chip *gc, unsigned int pin)
{
if (pin > KS8695_GPIO_3) /* only GPIO 0..3 can generate IRQ */
return -EINVAL;
return gpio_irq[pin];
}
EXPORT_SYMBOL(gpio_to_irq);
/*
* Map IRQ number to GPIO line.
@ -227,6 +225,7 @@ static struct gpio_chip ks8695_gpio_chip = {
.direction_output = ks8695_gpio_direction_output,
.get = ks8695_gpio_get_value,
.set = ks8695_gpio_set_value,
.to_irq = ks8695_gpio_to_irq,
.base = 0,
.ngpio = 16,
.can_sleep = 0,

6
arch/arm/mach-ks8695/include/mach/gpio.h
View File

@ -35,11 +35,6 @@
*/
extern int ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
/*
* Map GPIO line to IRQ number.
*/
extern int gpio_to_irq(unsigned int pin);
/*
* Map IRQ number to GPIO line.
*/
@ -54,6 +49,7 @@ extern int irq_to_gpio(unsigned int irq);
*/
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_to_irq __gpio_to_irq
/* Register the GPIOs */
extern void ks8695_register_gpios(void);