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Make 16650 probe optional on COM16650 define. It breaks on some 

multiport Startech chips.
This commit is contained in:
fvdl 1997-10-21 01:25:41 +00:00
parent ef0ba97c11
commit 37e4eea4a4
1 changed files with 9 additions and 2 deletions
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11
sys/dev/ic/com.c
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@ -1,4 +1,4 @@
/* $NetBSD: com.c,v 1.117 1997/10/19 20:01:08 mycroft Exp $ */
/* $NetBSD: com.c,v 1.118 1997/10/21 01:25:41 fvdl Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995, 1996, 1997
@ -350,7 +350,9 @@ com_attach_subr(sc)
int iobase = sc->sc_iobase;
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
#ifdef COM16650
u_int8_t lcr;
#endif
#ifdef COM_HAYESP
int hayesp_ports[] = { 0x140, 0x180, 0x280, 0x300, 0 };
int *hayespp;
@ -421,6 +423,7 @@ com_attach_subr(sc)
== FIFO_TRIGGER_14) {
SET(sc->sc_hwflags, COM_HW_FIFO);
#ifdef COM16650
/*
* IIR changes into the EFR if LCR is set to LCR_EERS
* on 16650s. We also know IIR != 0 at this point.
@ -447,12 +450,16 @@ com_attach_subr(sc)
printf(": st16650a, working fifo\n");
sc->sc_fifolen = 32;
}
} else {
} else
#endif
{
printf(": ns16550a, working fifo\n");
sc->sc_fifolen = 16;
}
#ifdef COM16650
bus_space_write_1(iot, ioh, com_lcr, LCR_8BITS);
#endif
} else
printf(": ns16550, broken fifo\n");
else