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When a GPIO pin is set to be turned on by kernel hints (hint.gpio.X.pinon)

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make sure the GPIO pin is configured as an output as this is not always the
case.
This commit is contained in:
Luiz Otavio O Souza 2014-05-09 13:44:42 +00:00
parent 8c4e5fc061
commit 3010d2256a
1 changed files with 4 additions and 1 deletions
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5
sys/mips/atheros/ar71xx_gpio.c
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@ -437,10 +437,13 @@ ar71xx_gpio_attach(device_t dev)
ar71xx_gpio_pin_configure(sc, &sc->gpio_pins[i], DEFAULT_CAPS);
i++;
}
/* Turn on the hinted pins. */
for (i = 0; i < sc->gpio_npins; i++) {
j = sc->gpio_pins[i].gp_pin;
if ((pinon & (1 << j)) != 0)
if ((pinon & (1 << j)) != 0) {
ar71xx_gpio_pin_setflags(dev, j, GPIO_PIN_OUTPUT);
ar71xx_gpio_pin_set(dev, j, 1);
}
}
device_add_child(dev, "gpioc", device_get_unit(dev));
device_add_child(dev, "gpiobus", device_get_unit(dev));