gpio_name
kmem_free(nm, sizeof(struct gpio_name));
struct gpio_name *nm;
struct gpio_name *nm;
struct gpio_name *nm;
LIST_HEAD(, gpio_name) sc_names; /* named pins */
struct gpio_name *gnm;
nm = kmem_alloc(sizeof(struct gpio_name),
LIST_ENTRY(gpio_name) gp_next;