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yaml
---
r: 91671
b: refs/heads/master
c: 6355f3d
h: refs/heads/master
i:
  91669: 266912b
  91667: de90bf9
  91663: cb65394
v: v3
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Greg Kroah-Hartman committed Apr 21, 2008
1 parent 3d60461 commit a3dbc6d
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Showing 3 changed files with 1 addition and 108 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8a1bc9013a03d41a0e36ee413bb6f97281b30bd1
refs/heads/master: 6355f3d1c6994812e4384027b785989323dd7c75
53 changes: 0 additions & 53 deletions trunk/arch/frv/mb93090-mb00/pci-vdk.c
Original file line number Diff line number Diff line change
Expand Up @@ -198,58 +198,6 @@ static struct pci_ops * __init pci_check_direct(void)
return NULL;
}

/*
* Several buggy motherboards address only 16 devices and mirror
* them to next 16 IDs. We try to detect this `feature' on all
* primary buses (those containing host bridges as they are
* expected to be unique) and remove the ghost devices.
*/

static void __init pcibios_fixup_ghosts(struct pci_bus *b)
{
struct list_head *ln, *mn;
struct pci_dev *d, *e;
int mirror = PCI_DEVFN(16,0);
int seen_host_bridge = 0;
int i;

for (ln=b->devices.next; ln != &b->devices; ln=ln->next) {
d = pci_dev_b(ln);
if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST)
seen_host_bridge++;
for (mn=ln->next; mn != &b->devices; mn=mn->next) {
e = pci_dev_b(mn);
if (e->devfn != d->devfn + mirror ||
e->vendor != d->vendor ||
e->device != d->device ||
e->class != d->class)
continue;
for(i=0; i<PCI_NUM_RESOURCES; i++)
if (e->resource[i].start != d->resource[i].start ||
e->resource[i].end != d->resource[i].end ||
e->resource[i].flags != d->resource[i].flags)
continue;
break;
}
if (mn == &b->devices)
return;
}
if (!seen_host_bridge)
return;
printk("PCI: Ignoring ghost devices on bus %02x\n", b->number);

ln = &b->devices;
while (ln->next != &b->devices) {
d = pci_dev_b(ln->next);
if (d->devfn >= mirror) {
list_del(&d->global_list);
list_del(&d->bus_list);
kfree(d);
} else
ln = ln->next;
}
}

/*
* Discover remaining PCI buses in case there are peer host bridges.
* We use the number of last PCI bus provided by the PCI BIOS.
Expand Down Expand Up @@ -356,7 +304,6 @@ void __init pcibios_fixup_bus(struct pci_bus *bus)
#if 0
printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number);
#endif
pcibios_fixup_ghosts(bus);
pci_read_bridge_bases(bus);

if (bus->number == 0) {
Expand Down
54 changes: 0 additions & 54 deletions trunk/arch/x86/pci/common.c
Original file line number Diff line number Diff line change
Expand Up @@ -77,59 +77,6 @@ int pcibios_scanned;
*/
DEFINE_SPINLOCK(pci_config_lock);

/*
* Several buggy motherboards address only 16 devices and mirror
* them to next 16 IDs. We try to detect this `feature' on all
* primary buses (those containing host bridges as they are
* expected to be unique) and remove the ghost devices.
*/

static void __devinit pcibios_fixup_ghosts(struct pci_bus *b)
{
struct list_head *ln, *mn;
struct pci_dev *d, *e;
int mirror = PCI_DEVFN(16,0);
int seen_host_bridge = 0;
int i;

DBG("PCI: Scanning for ghost devices on bus %d\n", b->number);
list_for_each(ln, &b->devices) {
d = pci_dev_b(ln);
if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST)
seen_host_bridge++;
for (mn=ln->next; mn != &b->devices; mn=mn->next) {
e = pci_dev_b(mn);
if (e->devfn != d->devfn + mirror ||
e->vendor != d->vendor ||
e->device != d->device ||
e->class != d->class)
continue;
for(i=0; i<PCI_NUM_RESOURCES; i++)
if (e->resource[i].start != d->resource[i].start ||
e->resource[i].end != d->resource[i].end ||
e->resource[i].flags != d->resource[i].flags)
continue;
break;
}
if (mn == &b->devices)
return;
}
if (!seen_host_bridge)
return;
printk(KERN_WARNING "PCI: Ignoring ghost devices on bus %02x\n", b->number);

ln = &b->devices;
while (ln->next != &b->devices) {
d = pci_dev_b(ln->next);
if (d->devfn >= mirror) {
list_del(&d->global_list);
list_del(&d->bus_list);
kfree(d);
} else
ln = ln->next;
}
}

static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
{
struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
Expand All @@ -152,7 +99,6 @@ void __devinit pcibios_fixup_bus(struct pci_bus *b)
{
struct pci_dev *dev;

pcibios_fixup_ghosts(b);
pci_read_bridge_bases(b);
list_for_each_entry(dev, &b->devices, bus_list)
pcibios_fixup_device_resources(dev);
Expand Down

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