diff options
Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index a71a54a3e3f7..665f9530c950 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -61,7 +61,7 @@ static int of_gpiochip_find_and_xlate(struct gpio_chip *gc, void *data) * in flags for the GPIO. */ int of_get_named_gpio_flags(struct device_node *np, const char *propname, - int index, enum of_gpio_flags *flags) + int index, enum of_gpio_flags *flags) { /* Return -EPROBE_DEFER to support probe() functions to be called * later when the GPIO actually becomes available @@ -193,7 +193,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (!np) return; - do { + for (;; index++) { ret = of_parse_phandle_with_args(np, "gpio-ranges", "#gpio-range-cells", index, &pinspec); if (ret) @@ -203,27 +203,15 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip) if (!pctldev) break; - /* - * This assumes that the n GPIO pins are consecutive in the - * GPIO number space, and that the pins are also consecutive - * in their local number space. Currently it is not possible - * to add different ranges for one and the same GPIO chip, - * as the code assumes that we have one consecutive range - * on both, mapping 1-to-1. - * - * TODO: make the OF bindings handle multiple sparse ranges - * on the same GPIO chip. - */ ret = gpiochip_add_pin_range(chip, pinctrl_dev_get_devname(pctldev), - 0, /* offset in gpiochip */ pinspec.args[0], - pinspec.args[1]); + pinspec.args[1], + pinspec.args[2]); if (ret) break; - - } while (index++); + } } #else |