CLK_AVAIL
bwfm_sdio_clkctl(sc, CLK_AVAIL, 0);
if (sc->sc_clkstate != CLK_AVAIL)
bwfm_sdio_clkctl(sc, CLK_AVAIL, 0);
case CLK_AVAIL:
else if (sc->sc_clkstate == CLK_AVAIL)
if (sc->sc_clkstate == CLK_AVAIL)
sc->sc_clkstate = CLK_AVAIL;
sc->sc_clkstate = CLK_AVAIL;
sc->sc_clkstate = CLK_AVAIL;