acpicpu_fetch_pss
if ((nstates = acpicpu_fetch_pss(&pss)) == 0)
cstate->n_states = acpicpu_fetch_pss(&pss);
cstate->n_states = acpicpu_fetch_pss(&pss);
if ((nstates = acpicpu_fetch_pss(&pss)) == 0)
cstate->n_states = acpicpu_fetch_pss(&pss);
cstate->n_states = acpicpu_fetch_pss(&pss);
cstate->n_states = acpicpu_fetch_pss(&pss);
int acpicpu_fetch_pss(struct acpicpu_pss **);