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Commit 2b88ff4a authored by Eunki Kim's avatar Eunki Kim Committed by Kukjin Kim
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gpio: samsung: Fix input mode setting function for GPIO int 



This patch makes GPIO pin to INTERRUPT mode or INPUT mode according
to bitmap_gpio_int. When the related bit of bitmap_gpio_int is set,
it makes GPIO pin to INTERRUPT mode instrad of INPUT mode in the
samsung_gpiolib_4bit_input function.

Signed-off-by: default avatarEunki Kim <eunki_kim@samsung.com>
Acked-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 453e2dd7

drivers/gpio/gpio-samsung.c

+6 −1
Original line number Diff line number Diff line
@@ -596,6 +596,9 @@ static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, 
	unsigned long con;



	con = __raw_readl(base + GPIOCON_OFF);

	if (ourchip->bitmap_gpio_int & BIT(offset))

		con |= 0xf << con_4bit_shift(offset);

	else

		con &= ~(0xf << con_4bit_shift(offset));

	__raw_writel(con, base + GPIOCON_OFF);
@@ -1081,6 +1084,8 @@ static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip 
		if ((base != NULL) && (chip->base == NULL))

			chip->base = base + ((i) * 0x20);



		chip->bitmap_gpio_int = 0;



		samsung_gpiolib_add(chip);

	}

}