D52172.id161089.diff
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D52172.id161089.diff
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	diff --git a/sys/dev/gpio/gpio_if.m b/sys/dev/gpio/gpio_if.m
	--- a/sys/dev/gpio/gpio_if.m
	+++ b/sys/dev/gpio/gpio_if.m
	@@ -62,6 +62,22 @@

	return (0);
	}
	+
	+ static int
	+ gpio_default_get_pin_list(device_t dev, uint32_t *pin_list)
	+ {
	+ uint32_t maxpin;
	+ int err;
	+
	+ err = GPIO_PIN_MAX(dev, &maxpin);
	+ if (err != 0)
	+ return (ENXIO);
	+
	+ for (int i = 0; i <= maxpin; i++)
	+ pin_list[i] = i;
	+
	+ return (0);
	+ }
	};

	HEADER {
	@@ -185,3 +201,13 @@
	uint32_t num_pins;
	uint32_t *pin_flags;
	} DEFAULT gpio_default_nosupport;
	+
	+#
	+# Get the controller's pin numbers. pin_list is expected to be an array with at
	+# least GPIO_PIN_MAX() elements. Populates pin_list from 0 to GPIO_PIN_MAX() by
	+# default.
	+#
	+METHOD int get_pin_list {
	+ device_t dev;
	+ uint32_t *pin_list;
	+} DEFAULT gpio_default_get_pin_list;