d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=265774
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/mips/atheros/ar71xx_gpio.c
View File

@ -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));