+ dev->platdata = calloc(1, drv->platdata_auto_alloc_size);
+ if (!dev->platdata) {
+ ret = -ENOMEM;
+ goto fail_alloc1;
+ }
+ }
+ if (parent) {
+ int size = parent->driver->per_child_platdata_auto_alloc_size;
+
+ if (!size) {
+ size = parent->uclass->uc_drv->
+ per_child_platdata_auto_alloc_size;
+ }
+ if (size) {
+ dev->flags |= DM_FLAG_ALLOC_PARENT_PDATA;
+ dev->parent_platdata = calloc(1, size);
+ if (!dev->parent_platdata) {
+ ret = -ENOMEM;
+ goto fail_alloc2;
+ }
+ }
+ }