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Enforce 10-bit width for I/O addresses of 16-bit PC Cards when I/O 

start address is assigned by a driver.
This commit is contained in:
haya 2002-03-05 11:56:33 +00:00
parent 9668e4f341
commit cff90ff521
1 changed files with 4 additions and 2 deletions
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6
sys/dev/pci/pccbb.c
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@ -1,4 +1,4 @@
/* $NetBSD: pccbb.c,v 1.74 2002/01/10 10:30:08 haya Exp $ */
/* $NetBSD: pccbb.c,v 1.75 2002/03/05 11:56:33 haya Exp $ */
/*
* Copyright (c) 1998, 1999 and 2000
@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pccbb.c,v 1.74 2002/01/10 10:30:08 haya Exp $");
__KERNEL_RCSID(0, "$NetBSD: pccbb.c,v 1.75 2002/03/05 11:56:33 haya Exp $");
/*
#define CBB_DEBUG
@ -2005,6 +2005,8 @@ pccbb_pcmcia_io_alloc(pch, start, size, align, pcihp)
if (start != 0) {
/* XXX: assume all card decode lower 10 bits by its hardware */
mask = 0x3ff;
/* enforce to use only masked address */
start &= mask;
} else {
/*
* calculate mask: