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Commit 43ae6599 authored by Ben Dooks's avatar Ben Dooks
Browse files

[ARM] S3C24XX: Add gpio_to_irq implementation 



Add to_irq field handlers for the GPIO banks that are configurable
as interripts.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
parent 4d316fc5

arch/arm/plat-s3c24xx/gpiolib.c

+18 −0
Original line number Diff line number Diff line
@@ -59,6 +59,22 @@ static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, 
	return 0;

}



static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset)

{

	if (offset < 4)

		return IRQ_EINT0 + offset;

	

	if (offset < 8)

		return IRQ_EINT4 + offset - 4;

	

	return -EINVAL;

}



static int s3c24xx_gpiolib_bankg_toirq(struct gpio_chip *chip, unsigned offset)

{

	return IRQ_EINT8 + offset;

}



struct s3c_gpio_chip s3c24xx_gpios[] = {

	[0] = {

		.base	= S3C24XX_GPIO_BASE(S3C2410_GPA0),
@@ -114,6 +130,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = { 
			.owner			= THIS_MODULE,

			.label			= "GPIOF",

			.ngpio			= 8,

			.to_irq			= s3c24xx_gpiolib_bankf_toirq,

		},

	},

	[6] = {
@@ -123,6 +140,7 @@ struct s3c_gpio_chip s3c24xx_gpios[] = { 
			.owner			= THIS_MODULE,

			.label			= "GPIOG",

			.ngpio			= 10,

			.to_irq			= s3c24xx_gpiolib_bankg_toirq,

		},

	},

};