staging: mt7621-gpio: use GPIOF_DIR_OUT and GPIOF_DIR_IN macros instead of custom values
There are macros in gpio kernel's headers to define direction of a gpio. Use them instead of return custom '0' and '1' values. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Reviewed-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -6,6 +6,7 @@
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#include <linux/io.h>
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#include <linux/err.h>
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#include <linux/gpio.h>
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#include <linux/gpio/driver.h>
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#include <linux/module.h>
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#include <linux/of_irq.h>
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@ -127,7 +128,7 @@ mediatek_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
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struct mtk_gc *rg = to_mediatek_gpio(chip);
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u32 t = mtk_gpio_r32(rg, GPIO_REG_CTRL);
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return (t & BIT(offset)) ? 0 : 1;
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return (t & BIT(offset)) ? GPIOF_DIR_OUT : GPIOF_DIR_IN;
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}
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static int
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