diff options
Diffstat (limited to 'arch/frv/mb93090-mb00/pci-vdk.c')
-rw-r--r-- | arch/frv/mb93090-mb00/pci-vdk.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c index 6d51f133fb23..f003cfa68b7a 100644 --- a/arch/frv/mb93090-mb00/pci-vdk.c +++ b/arch/frv/mb93090-mb00/pci-vdk.c | |||
@@ -199,58 +199,6 @@ static struct pci_ops * __init pci_check_direct(void) | |||
199 | } | 199 | } |
200 | 200 | ||
201 | /* | 201 | /* |
202 | * Several buggy motherboards address only 16 devices and mirror | ||
203 | * them to next 16 IDs. We try to detect this `feature' on all | ||
204 | * primary buses (those containing host bridges as they are | ||
205 | * expected to be unique) and remove the ghost devices. | ||
206 | */ | ||
207 | |||
208 | static void __init pcibios_fixup_ghosts(struct pci_bus *b) | ||
209 | { | ||
210 | struct list_head *ln, *mn; | ||
211 | struct pci_dev *d, *e; | ||
212 | int mirror = PCI_DEVFN(16,0); | ||
213 | int seen_host_bridge = 0; | ||
214 | int i; | ||
215 | |||
216 | for (ln=b->devices.next; ln != &b->devices; ln=ln->next) { | ||
217 | d = pci_dev_b(ln); | ||
218 | if ((d->class >> 8) == PCI_CLASS_BRIDGE_HOST) | ||
219 | seen_host_bridge++; | ||
220 | for (mn=ln->next; mn != &b->devices; mn=mn->next) { | ||
221 | e = pci_dev_b(mn); | ||
222 | if (e->devfn != d->devfn + mirror || | ||
223 | e->vendor != d->vendor || | ||
224 | e->device != d->device || | ||
225 | e->class != d->class) | ||
226 | continue; | ||
227 | for(i=0; i<PCI_NUM_RESOURCES; i++) | ||
228 | if (e->resource[i].start != d->resource[i].start || | ||
229 | e->resource[i].end != d->resource[i].end || | ||
230 | e->resource[i].flags != d->resource[i].flags) | ||
231 | continue; | ||
232 | break; | ||
233 | } | ||
234 | if (mn == &b->devices) | ||
235 | return; | ||
236 | } | ||
237 | if (!seen_host_bridge) | ||
238 | return; | ||
239 | printk("PCI: Ignoring ghost devices on bus %02x\n", b->number); | ||
240 | |||
241 | ln = &b->devices; | ||
242 | while (ln->next != &b->devices) { | ||
243 | d = pci_dev_b(ln->next); | ||
244 | if (d->devfn >= mirror) { | ||
245 | list_del(&d->global_list); | ||
246 | list_del(&d->bus_list); | ||
247 | kfree(d); | ||
248 | } else | ||
249 | ln = ln->next; | ||
250 | } | ||
251 | } | ||
252 | |||
253 | /* | ||
254 | * Discover remaining PCI buses in case there are peer host bridges. | 202 | * Discover remaining PCI buses in case there are peer host bridges. |
255 | * We use the number of last PCI bus provided by the PCI BIOS. | 203 | * We use the number of last PCI bus provided by the PCI BIOS. |
256 | */ | 204 | */ |
@@ -356,7 +304,6 @@ void __init pcibios_fixup_bus(struct pci_bus *bus) | |||
356 | #if 0 | 304 | #if 0 |
357 | printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); | 305 | printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number); |
358 | #endif | 306 | #endif |
359 | pcibios_fixup_ghosts(bus); | ||
360 | pci_read_bridge_bases(bus); | 307 | pci_read_bridge_bases(bus); |
361 | 308 | ||
362 | if (bus->number == 0) { | 309 | if (bus->number == 0) { |