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In scif_getc(), check SCIF_SCFSR2_RDF in addition to SCIF_SCFSR2_DR to 

detect waiting Rx data. This fixes an occasional console lockup when
when pasting text at the ddb prompt.
This commit is contained in:
scw 2003-03-13 13:19:01 +00:00
parent e7bde1e9c7
commit 31b3a7c37f
1 changed files with 3 additions and 2 deletions
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5
sys/arch/sh5/dev/scif.c
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@ -1,4 +1,4 @@
/* $NetBSD: scif.c,v 1.9 2002/10/23 09:11:59 jdolecek Exp $ */
/* $NetBSD: scif.c,v 1.10 2003/03/13 13:19:01 scw Exp $ */
/*-
* Copyright (C) 1999 T.Horiuchi and SAITOH Masanobu. All rights reserved.
@ -449,7 +449,8 @@ scif_getc(bus_space_tag_t bt, bus_space_handle_t bh)
#else
unsigned char c;
while (!(bus_space_read_2(bt, bh, SCIF_REG_SCFSR2) & SCIF_SCFSR2_DR))
while (!(bus_space_read_2(bt, bh, SCIF_REG_SCFSR2) &
(SCIF_SCFSR2_DR | SCIF_SCFSR2_RDF)))
;
c = bus_space_read_1(bt, bh, SCIF_REG_SCFRD2);