/* pzl_stop - stop the periodic schedule @whc: the WHCI host controller  */
void pzl_stop(struct whc *whc)
/* pzl_stop - stop the periodic schedule @whc: the WHCI host controller  */
void pzl_stop(struct whc *whc)
{
	whc_write_wusbcmd(whc, WUSBCMD_PERIODIC_EN, 0);
	whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
		      WUSBSTS_PERIODIC_SCHED, 0,
		      1000, "stop PZL");
}