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Fix a botch in an FIFO check for 16650.

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This commit is contained in:
tsutsui 2008-10-25 15:21:57 +00:00
parent c57a72c85c
commit 9cb64a72eb
1 changed files with 12 additions and 6 deletions
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18
sys/dev/ic/com.c
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@ -442,12 +442,18 @@ com_attach_subr(struct com_softc *sc)
if (CSR_READ_1(regsp, COM_REG_EFR) == 0) {
CSR_WRITE_1(regsp, COM_REG_LCR,
lcr | LCR_DLAB);
CLR(sc->sc_hwflags, COM_HW_FIFO);
sc->sc_fifolen = 0;
} else {
SET(sc->sc_hwflags, COM_HW_FLOW);
sc->sc_fifolen = 32;
}
if (CSR_READ_1(regsp, COM_REG_EFR)
== 0) {
CLR(sc->sc_hwflags,
COM_HW_FIFO);
sc->sc_fifolen = 0;
} else {
SET(sc->sc_hwflags,
COM_HW_FLOW);
sc->sc_fifolen = 32;
}
} else
sc->sc_fifolen = 16;
CSR_WRITE_1(regsp, COM_REG_LCR, lcr);
} else
#endif