IF_USB_SUSP_CTRL
rv = reg_wait(sc, IF_USB_SUSP_CTRL, USB_PHY_CLK_VALID,
val = RD4(sc, IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);
val = RD4(sc,IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);
val = RD4(sc, IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);
val = RD4(sc, IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);
val = RD4(sc, IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);
val = RD4(sc, IF_USB_SUSP_CTRL);
WR4(sc, IF_USB_SUSP_CTRL, val);