dev->seq = -1;
#ifdef CONFIG_OF_CONTROL
dev->req_seq = fdtdec_get_int(gd->fdt_blob, of_offset, "reg", -1);
+ if (!IS_ERR_VALUE(dev->req_seq))
+ dev->req_seq &= INT_MAX;
if (uc->uc_drv->name && of_offset != -1) {
fdtdec_get_alias_seq(gd->fdt_blob, uc->uc_drv->name, of_offset,
&dev->req_seq);
ret = device_find_child_by_of_offset(parent, seq, &dev);
return device_get_device_tail(dev, ret, devp);
}
+
+int device_find_first_child(struct udevice *parent, struct udevice **devp)
+{
+ if (list_empty(&parent->child_head)) {
+ *devp = NULL;
+ } else {
+ *devp = list_first_entry(&parent->child_head, struct udevice,
+ sibling_node);
+ }
+
+ return 0;
+}
+
+int device_find_next_child(struct udevice **devp)
+{
+ struct udevice *dev = *devp;
+ struct udevice *parent = dev->parent;
+
+ if (list_is_last(&dev->sibling_node, &parent->child_head)) {
+ *devp = NULL;
+ } else {
+ *devp = list_entry(dev->sibling_node.next, struct udevice,
+ sibling_node);
+ }
+
+ return 0;
+}