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Call zshard() twice in zshard_hb() interrupt handler for workaround 

otherwise news3400 sometimes losts zs interrupts.

This should fix "serial console hiccups on sysinst" problem
reported by Mauricio <raub at kudria.com> on port-newsmips.
This commit is contained in:
tsutsui 2003-05-10 03:27:33 +00:00
parent 729eb06bdf
commit fb67a7f5f5
1 changed files with 10 additions and 3 deletions
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13
sys/arch/newsmips/dev/zs_hb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: zs_hb.c,v 1.13 2003/05/09 17:39:12 tsutsui Exp $ */
/* $NetBSD: zs_hb.c,v 1.14 2003/05/10 03:27:33 tsutsui Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
@ -317,9 +317,16 @@ static int
zshard_hb(arg)
void *arg;
{
(void) *(volatile u_char *)SCCVECT;
int rv;
return zshard(arg);
(void) *(volatile u_char *)SCCVECT;
rv = zshard(arg);
/* XXX news3400 sometimes losts zs interrupt */
if (rv)
zshard(arg);
return rv;
}
/*