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Code Issues Releases Activity

mvebu_gpio: Fix settings of gpio pin direction.

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Data Output Enable Control register is inverted – 0 means output direction.
Reflect this fact in code.

MFC after:	3 weeks
This commit is contained in:
Michal Meloun 2021-03-07 09:50:57 +01:00
parent 6bb140e3ca
commit 01c6d79189
1 changed files with 3 additions and 3 deletions
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6
sys/arm/mv/mvebu_gpio.c
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@ -167,10 +167,10 @@ mvebu_gpio_pin_configure(struct mvebu_gpio_softc *sc, struct gpio_pin *pin,
pin->gp_flags &= ~(GPIO_PIN_INPUT | GPIO_PIN_OUTPUT);
if (flags & GPIO_PIN_OUTPUT) {
pin->gp_flags |= GPIO_PIN_OUTPUT;
gpio_write(sc, GPIO_CONTROL_SET, pin, 1);
gpio_write(sc, GPIO_CONTROL_CLR, pin, 1);
} else {
pin->gp_flags |= GPIO_PIN_INPUT;
gpio_write(sc, GPIO_CONTROL_CLR, pin, 1);
gpio_write(sc, GPIO_CONTROL_SET, pin, 1);
}
}
@ -785,7 +785,7 @@ mvebu_gpio_attach(device_t dev)
else
pin->gp_caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
pin->gp_flags =
gpio_read(sc, GPIO_CONTROL, &sc->gpio_pins[i]) != 0 ?
gpio_read(sc, GPIO_CONTROL, &sc->gpio_pins[i]) == 0 ?
GPIO_PIN_OUTPUT : GPIO_PIN_INPUT;
snprintf(pin->gp_name, GPIOMAXNAME, "gpio%d", i);