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

Fix confusion about the return value from the internal MI probe routine. 

Make the ISA probe actually (silently) fail if no card is found.

XXX - need to aquire the SBUS variant of this card some day or have
Jaromir find an MCA one.
This commit is contained in:
martin 2002-03-25 09:08:09 +00:00
parent 642b1a7163
commit 8a2d9422bd
2 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/ic/daic.c
View File

@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: daic.c,v 1.8 2002/03/24 20:35:45 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: daic.c,v 1.9 2002/03/25 09:08:10 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -141,15 +141,15 @@ cardtypename(cardtype)
/*---------------------------------------------------------------------------*
* Probe for presence of device at given io space.
* Return: 0 no card identified
* 1 card found
* Return the card type (stupid ISA needs to know this in advance, to
* calculate the share memory size).
*---------------------------------------------------------------------------*/
int
daic_probe(bus, io)
bus_space_tag_t bus;
bus_space_handle_t io;
{
return (daic_reset(bus, io, 0, NULL) > 0);
return (daic_reset(bus, io, 0, NULL));
}
/*---------------------------------------------------------------------------*

8
sys/dev/isa/daic_isa.c
View File

@ -24,7 +24,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: daic_isa.c,v 1.5 2002/03/22 09:54:17 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: daic_isa.c,v 1.6 2002/03/25 09:08:09 martin Exp $");
#include <sys/param.h>
#include <sys/errno.h>
@ -82,7 +82,7 @@ daic_isa_probe(parent, cf, aux)
struct isa_attach_args *ia = aux;
bus_space_tag_t memt = ia->ia_memt;
bus_space_handle_t memh;
int card;
int card, need_unmap = 0;
/* We need some controller memory to comunicate! */
if (ia->ia_iomem[0].ir_addr == 0 || ia->ia_iomem[0].ir_size == -1)
@ -97,6 +97,7 @@ daic_isa_probe(parent, cf, aux)
if (bus_space_map(memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size,
0, &memh))
goto bad;
need_unmap = 1;
/* MI check for card at this location */
card = daic_probe(memt, memh);
@ -109,7 +110,8 @@ daic_isa_probe(parent, cf, aux)
return 1;
bad:
/* unmap card RAM */
/* unmap card RAM if already mapped */
if (need_unmap)
bus_space_unmap(memt, memh, DAIC_ISA_MEMSIZE);
return 0;
}