params = prtd->params;
 
        /* Disable the PDC and save the PDC registers */
-       ssc_writex(params->ssc->regs, PDC_PTCR, params->mask->pdc_disable);
+       ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR,
+                  params->mask->pdc_disable);
 
        prtd->pdc_xpr_save = ssc_readx(params->ssc->regs, params->pdc->xpr);
        prtd->pdc_xcr_save = ssc_readx(params->ssc->regs, params->pdc->xcr);
        ssc_writex(params->ssc->regs, params->pdc->xnpr, prtd->pdc_xnpr_save);
        ssc_writex(params->ssc->regs, params->pdc->xncr, prtd->pdc_xncr_save);
 
-       ssc_writex(params->ssc->regs, PDC_PTCR, params->mask->pdc_enable);
+       ssc_writex(params->ssc->regs, ATMEL_PDC_PTCR, params->mask->pdc_enable);
        return 0;
 }
 #else /* CONFIG_PM */