gpio: ks8695: remove irq_to_gpio function
The ks8695 gpio driver has its own copy of the irq_to_gpio() function. This is completely unused in the mainline kernel after we converted all remaining users several years ago, so we can remove the definition as well. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -205,18 +205,6 @@ static int ks8695_gpio_to_irq(struct gpio_chip *gc, unsigned int pin)
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return gpio_irq[pin];
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}
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/*
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* Map IRQ number to GPIO line.
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*/
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int irq_to_gpio(unsigned int irq)
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{
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if ((irq < KS8695_IRQ_EXTERN0) || (irq > KS8695_IRQ_EXTERN3))
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return -EINVAL;
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return (irq - KS8695_IRQ_EXTERN0);
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}
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EXPORT_SYMBOL(irq_to_gpio);
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/* GPIOLIB interface */
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static struct gpio_chip ks8695_gpio_chip = {
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