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ide: tighten checks on PCI BARs in ide_hwif_configure() 

Alan has fixed PCI layer handling of PCI IDE in Compatibility mode so
PCI BAR 0/1 (and/or 2/3) content reported by kernel should never be zero.

Tighten checks on PCI BARs and also fix printk() message while on it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-07-16 20:33:41 +02:00
parent 01397012b3
commit c1da678b5b
1 changed files with 7 additions and 7 deletions
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14
drivers/ide/setup-pci.c
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@ -319,18 +319,18 @@ static ide_hwif_t *ide_hwif_configure(struct pci_dev *dev,
ctl = pci_resource_start(dev, 2*port+1);
base = pci_resource_start(dev, 2*port);
if ((ctl && !base) || (base && !ctl)) {
printk(KERN_ERR "%s: inconsistent baseregs (BIOS) "
"for port %d, skipping\n", d->name, port);
return NULL;
}
}
if (!ctl) {
} else {
/* Use default values */
ctl = port ? 0x374 : 0x3f4;
base = port ? 0x170 : 0x1f0;
}
if (!base || !ctl) {
printk(KERN_ERR "%s: bad PCI BARs for port %d, skipping\n",
d->name, port);
return NULL;
}
hwif = ide_find_port_slot(d);
if (hwif == NULL) {
printk(KERN_ERR "%s: too many IDE interfaces, no room in "