diff options
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 2024d45e5503..7cfdc2278905 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -23,7 +23,7 @@ #include <linux/pinctrl/pinctrl.h> #include <linux/slab.h> -struct gpio_desc; +#include "gpiolib.h" /* Private data structure for of_gpiochip_find_and_xlate */ struct gg_data { @@ -48,7 +48,7 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data) if (ret < 0) return false; - gg_data->out_gpio = gpio_to_desc(ret + gc->base); + gg_data->out_gpio = gpiochip_get_desc(gc, ret); return true; } @@ -82,19 +82,33 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, ret = of_parse_phandle_with_args(np, propname, "#gpio-cells", index, &gg_data.gpiospec); if (ret) { - pr_debug("%s: can't parse gpios property of node '%s[%d]'\n", - __func__, np->full_name, index); + pr_debug("%s: can't parse '%s' property of node '%s[%d]'\n", + __func__, propname, np->full_name, index); return ERR_PTR(ret); } gpiochip_find(&gg_data, of_gpiochip_find_and_xlate); of_node_put(gg_data.gpiospec.np); - pr_debug("%s exited with status %d\n", __func__, + pr_debug("%s: parsed '%s' property of node '%s[%d]' - status (%d)\n", + __func__, propname, np->full_name, index, PTR_ERR_OR_ZERO(gg_data.out_gpio)); return gg_data.out_gpio; } -EXPORT_SYMBOL(of_get_named_gpiod_flags); + +int of_get_named_gpio_flags(struct device_node *np, const char *list_name, + int index, enum of_gpio_flags *flags) +{ + struct gpio_desc *desc; + + desc = of_get_named_gpiod_flags(np, list_name, index, flags); + + if (IS_ERR(desc)) + return PTR_ERR(desc); + else + return desc_to_gpio(desc); +} +EXPORT_SYMBOL(of_get_named_gpio_flags); /** * of_gpio_simple_xlate - translate gpio_spec to the GPIO number and flags |