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Commit e1312bfc authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
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Blackfin arch: add a check to make sure only Blackfin GPIOs may generate IRQs 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent a6664875

arch/blackfin/include/asm/gpio.h

+4 −1
Original line number Diff line number Diff line
@@ -303,7 +303,10 @@ static inline void gpio_set_value(unsigned gpio, int value) 


static inline int gpio_to_irq(unsigned gpio)

{

	return (gpio + GPIO_IRQ_BASE);

	if (likely(gpio < MAX_BLACKFIN_GPIOS))

		return gpio + GPIO_IRQ_BASE;



	return -EINVAL;

}



static inline int irq_to_gpio(unsigned irq)