octeon_dwc2_reg_rd
clk = octeon_dwc2_reg_rd(sc, USBN_CLK_CTL_OFFSET);
clk = octeon_dwc2_reg_rd(sc, USBN_CLK_CTL_OFFSET);
value = octeon_dwc2_reg_rd(sc, offset);
value = octeon_dwc2_reg_rd(sc, offset);
static uint64_t octeon_dwc2_reg_rd(struct octeon_dwc2_softc *, bus_size_t);