D5043.id12628.diff
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	Index: sys/dev/ofw/ofw_bus_subr.c
	===================================================================
	--- sys/dev/ofw/ofw_bus_subr.c
	+++ sys/dev/ofw/ofw_bus_subr.c
	@@ -629,9 +629,12 @@
	* node - consumers device node
	* list_name - name of parsed list - "clocks"
	* cells_name - name of size property - "#clock-cells"
	+ * idx - the index of the requested list entry, or, if -1, an indication
	+ * to return the number of entries in the parsed list.
	* Output arguments:
	* producer - handle of producer
	- * ncells - number of cells in result
	+ * ncells - number of cells in result or the number of items in the list when
	+ * idx == -1.
	* cells - array of decoded cells
	*/
	int
	@@ -649,7 +652,7 @@
	(void **)&elems);
	if (nelems <= 0)
	return (ENOENT);
	- rv = ENOENT;
	+ rv = (idx == -1) ? 0 : ENOENT;
	for (i = 0, cnt = 0; i < nelems; i += pcells, cnt++) {
	pnode = elems[i++];
	if (OF_getencprop(OF_node_from_xref(pnode),
	@@ -678,6 +681,8 @@
	}
	if (elems != NULL)
	free(elems, M_OFWPROP);
	+ if (idx == -1 && rv == 0)
	+ *ncells = cnt;
	return (rv);
	}