pnv_get_random_long
int pnv_get_random_long(unsigned long *v);
ppc_md.get_random_seed = pnv_get_random_long;
if (ppc_md.get_random_seed == pnv_get_random_long) {
EXPORT_SYMBOL_GPL(pnv_get_random_long);
pnv_get_random_long(buf++);