brcm_usb_ctrl_unset
brcm_usb_ctrl_unset(params->regs[BRCM_REGS_CTRL] + reg_offset, mask);
brcm_usb_ctrl_unset(USB_CTRL_REG(base, reg), \
brcm_usb_ctrl_unset(USB_XHCI_GBL_REG(base, reg), \