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Remove outb to "prime" the EISA ID registers of each slot. This was

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only required to support probing of the Adaptec 284X VLB SCSI controller
which becomes visible in EISA space if you perform these writes.  284X
probing is moving to an ISA attachment.
This commit is contained in:
Justin T. Gibbs 2004-08-16 22:05:53 +00:00
parent 6ec309a62f
commit fc838bef65
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=133887
1 changed files with 4 additions and 7 deletions
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11
sys/dev/eisa/eisaconf.c
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@ -213,25 +213,22 @@ static int
eisa_probe_slot(int slot, eisa_id_t *eisa_id)
{
eisa_id_t probe_id;
int base, i, id_size, ret;
int base, i, id_size;
ret = ENXIO;
probe_id = 0;
id_size = sizeof(probe_id);
base = 0x0c80 + (slot * 0x1000);
for (i = 0; i < id_size; i++) {
outb(base, 0x80 + i); /* Some cards require priming. */
for (i = 0; i < id_size; i++)
probe_id |= inb(base + i) << ((id_size - i - 1) * CHAR_BIT);
}
/* If we found a card, return its EISA id. */
if ((probe_id & 0x80000000) == 0) {
*eisa_id = probe_id;
ret = 0;
return (0);
}
return (ret);
return (ENXIO);
}
static void