Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Don't loop forever if a card went away.

This commit is contained in:
mycroft 2004-08-09 13:52:21 +00:00
parent 10121549dd
commit f5eacc00f9
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sys/dev/ic/smc91cxx.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: smc91cxx.c,v 1.47 2004/08/08 16:20:43 mycroft Exp $ */
/* $NetBSD: smc91cxx.c,v 1.48 2004/08/09 13:52:21 mycroft Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: smc91cxx.c,v 1.47 2004/08/08 16:20:43 mycroft Exp $");
__KERNEL_RCSID(0, "$NetBSD: smc91cxx.c,v 1.48 2004/08/09 13:52:21 mycroft Exp $");
#include "opt_inet.h"
#include "opt_ccitt.h"
@ -530,8 +530,13 @@ smc91cxx_init(sc)
*/
SMC_SELECT_BANK(sc, 2);
bus_space_write_2(bst, bsh, MMU_CMD_REG_W, MMUCR_RESET);
while (bus_space_read_2(bst, bsh, MMU_CMD_REG_W) & MMUCR_BUSY)
/* XXX bound this loop! */ ;
for (;;) {
tmp = bus_space_read_2(bst, bsh, MMU_CMD_REG_W);
if (tmp == 0xffff) /* card went away! */
return;
if ((tmp & MMUCR_BUSY) == 0)
break;
}
/*
* Disable all interrupts.