diff options
| -rw-r--r-- | sys/dev/sio/sio.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c index df62c90..8659a3b 100644 --- a/sys/dev/sio/sio.c +++ b/sys/dev/sio/sio.c @@ -104,6 +104,8 @@ #define COM_ISMULTIPORT(flags) ((flags) & 0x01) #define COM_MPMASTER(flags) (((flags) >> 8) & 0x0ff) #define COM_NOTAST4(flags) ((flags) & 0x04) +#else +#define COM_ISMULTIPORT(flags) (0) #endif /* COM_MULTIPORT */ #define COM_CONSOLE(flags) ((flags) & 0x10) @@ -117,6 +119,7 @@ #define COM_NOPROBE(flags) ((flags) & COM_C_NOPROBE) #define COM_C_IIR_TXRDYBUG (0x80000) #define COM_IIR_TXRDYBUG(flags) ((flags) & COM_C_IIR_TXRDYBUG) +#define COM_NOSCR(flags) ((flags) & 0x100000) #define COM_FIFOSIZE(flags) (((flags) & 0xff000000) >> 24) #define sio_getreg(com, off) \ @@ -968,12 +971,8 @@ sioattach(dev, xrid, rclk) printf("sio%d: type", unit); -#ifdef COM_MULTIPORT - if (!COM_ISMULTIPORT(flags) && !COM_IIR_TXRDYBUG(flags)) -#else - if (!COM_IIR_TXRDYBUG(flags)) -#endif - { + if (!COM_ISMULTIPORT(flags) && + !COM_IIR_TXRDYBUG(flags) && !COM_NOSCR(flags)) { u_char scr; u_char scr1; u_char scr2; |
