Ejemplo n.º 1
0
static struct property * __init of_pdt_build_one_prop(phandle node, char *prev,
					       char *special_name,
					       void *special_val,
					       int special_len)
{
	static struct property *tmp = NULL;
	struct property *p;
	int err;

	if (tmp) {
		p = tmp;
		memset(p, 0, sizeof(*p) + 32);
		tmp = NULL;
	} else {
		p = prom_early_alloc(sizeof(struct property) + 32);
		of_pdt_incr_unique_id(p);
	}

	p->name = (char *) (p + 1);
	if (special_name) {
		strcpy(p->name, special_name);
		p->length = special_len;
		p->value = prom_early_alloc(special_len);
		memcpy(p->value, special_val, special_len);
	} else {
		err = of_pdt_prom_ops->nextprop(node, prev, p->name);
		if (err) {
			tmp = p;
			return NULL;
		}
		p->length = of_pdt_prom_ops->getproplen(node, p->name);
		if (p->length <= 0) {
			p->length = 0;
		} else {
			int len;

			p->value = prom_early_alloc(p->length + 1);
			len = of_pdt_prom_ops->getproperty(node, p->name,
					p->value, p->length);
			if (len <= 0)
				p->length = 0;
			((unsigned char *)p->value)[p->length] = '\0';
		}
	}
	return p;
}
Ejemplo n.º 2
0
Archivo: pdt.c Proyecto: Lyude/linux
static struct device_node * __init of_pdt_create_node(phandle node,
						    struct device_node *parent)
{
	struct device_node *dp;

	if (!node)
		return NULL;

	dp = prom_early_alloc(sizeof(*dp));
	of_node_init(dp);
	of_pdt_incr_unique_id(dp);
	dp->parent = parent;

	dp->name = of_pdt_get_one_property(node, "name");
	dp->type = of_pdt_get_one_property(node, "device_type");
	dp->phandle = node;

	dp->properties = of_pdt_build_prop_list(node);

	irq_trans_init(dp);

	return dp;
}