rtsx_usb_switch_clock
err = rtsx_usb_switch_clock(ucr, clock,
EXPORT_SYMBOL_GPL(rtsx_usb_switch_clock);
rtsx_usb_switch_clock(host->ucr, host->clock, host->ssc_depth,
extern int rtsx_usb_switch_clock(struct rtsx_ucr *ucr, unsigned int card_clock,