nd_pfn_devinit
dev = nd_pfn_devinit(&nd_dax->nd_pfn, NULL);
struct device *nd_pfn_devinit(struct nd_pfn *nd_pfn,
return nd_pfn_devinit(&nd_dax->nd_pfn, ndns);
dev = nd_pfn_devinit(nd_pfn, NULL);
pfn_dev = nd_pfn_devinit(nd_pfn, ndns);