HelenOS sources

ofw_tree_walk_by_device_type  210 kernel/arch/ppc32/src/ppc32.c 		ofw_tree_walk_by_device_type("display", display_register, NULL);
ofw_tree_walk_by_device_type  285 kernel/arch/ppc32/src/ppc32.c 	ofw_tree_walk_by_device_type("mac-io", macio_register, NULL);
ofw_tree_walk_by_device_type   76 kernel/genarch/include/genarch/ofw/ofw_tree.h extern void ofw_tree_walk_by_device_type(const char *, ofw_tree_walker_t,