diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-11-11 17:25:07 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-12-04 20:38:47 +1100 |
| commit | 803d4573e60bc890d7fbc040ad1c18c2dc7f8279 (patch) | |
| tree | 62f1194b7d477c6f67fa874bf78a1b3183ad30ab | |
| parent | 6506e7102fd57b138979f131d751014462181202 (diff) | |
[POWERPC] Add "parent" struct device for PCI host bridges
Add a "parent" struct device to our PCI host bridge data structure so that
PCI can be rooted off another device in sysfs.
Note that arch/ppc doesn't use it, only arch/powerpc, though it's available
for both 32 and 64 bits.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
| -rw-r--r-- | arch/powerpc/kernel/pci_32.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci_64.c | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/pci-bridge.h | 1 | ||||
| -rw-r--r-- | include/asm-ppc/pci-bridge.h | 1 |
4 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index d32cd500d8b8..0ad101a5fc5e 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -1269,7 +1269,10 @@ pcibios_init(void) if (pci_assign_all_buses) hose->first_busno = next_busno; hose->last_busno = 0xff; - bus = pci_scan_bus(hose->first_busno, hose->ops, hose); + bus = pci_scan_bus_parented(hose->parent, hose->first_busno, + hose->ops, hose); + if (bus) + pci_bus_add_devices(bus); hose->last_busno = bus->subordinate; if (pci_assign_all_buses || next_busno <= hose->last_busno) next_busno = hose->last_busno + pcibios_assign_bus_offset; diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 5ffab8787b93..74e580d25c1b 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -513,7 +513,7 @@ void __devinit scan_phb(struct pci_controller *hose) DBG("Scanning PHB %s\n", node ? node->full_name : "<NO NAME>"); - bus = pci_create_bus(NULL, hose->first_busno, hose->ops, node); + bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, node); if (bus == NULL) { printk(KERN_ERR "Failed to create bus for PCI domain %04x\n", hose->global_number); diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index 86ee46b09b8a..7bb7f9009806 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -25,6 +25,7 @@ struct pci_controller { int node; void *arch_data; struct list_head list_node; + struct device *parent; int first_busno; int last_busno; diff --git a/include/asm-ppc/pci-bridge.h b/include/asm-ppc/pci-bridge.h index 9d5230689b31..6c955d0c1ef0 100644 --- a/include/asm-ppc/pci-bridge.h +++ b/include/asm-ppc/pci-bridge.h @@ -43,6 +43,7 @@ struct pci_controller { struct pci_controller *next; struct pci_bus *bus; void *arch_data; + struct device *parent; int first_busno; int last_busno; |