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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 13:40:57 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 13:40:57 -0700
commit21ba0f88ae56da82a3a15fe54d729208b64c4f4b (patch)
tree17ce67f276fe3ea7284c3dc730bdd6a2ec7dfe2f /drivers/pci/search.c
parentdc690d8ef842b464f1c429a376ca16cb8dbee6ae (diff)
parent36e235901f90fb83215be43cbd8f1ca14661ea40 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (34 commits) PCI: Only build PCI syscalls on architectures that want them PCI: limit pci_get_bus_and_slot to domain 0 PCI: hotplug: acpiphp: avoid acpiphp "cannot get bridge info" PCI hotplug failure PCI: hotplug: acpiphp: remove hot plug parameter write to PCI host bridge PCI: hotplug: acpiphp: fix slot poweroff problem on systems without _PS3 PCI: hotplug: pciehp: wait for 1 second after power off slot PCI: pci_set_power_state(): check for PM capabilities earlier PCI: cpci_hotplug: Convert to use the kthread API PCI: add pci_try_set_mwi PCI: pcie: remove SPIN_LOCK_UNLOCKED PCI: ROUND_UP macro cleanup in drivers/pci PCI: remove pci_dac_dma_... APIs PCI: pci-x-pci-express-read-control-interfaces cleanups PCI: Fix typo in include/linux/pci.h PCI: pci_ids, remove double or more empty lines PCI: pci_ids, add atheros and 3com_2 vendors PCI: pci_ids, reorder some entries PCI: i386: traps, change VENDOR to DEVICE PCI: ATM: lanai, change VENDOR to DEVICE PCI: Change all drivers to use pci_device->revision ...
Diffstat (limited to 'drivers/pci/search.c')
-rw-r--r--drivers/pci/search.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index c13232435dc..9f7090fa877 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -139,12 +139,14 @@ struct pci_dev * pci_get_slot(struct pci_bus *bus, unsigned int devfn)
}
/**
- * pci_get_bus_and_slot - locate PCI device from a given PCI slot
+ * pci_get_bus_and_slot - locate PCI device from a given PCI bus & slot
* @bus: number of PCI bus on which desired PCI device resides
* @devfn: encodes number of PCI slot in which the desired PCI
* device resides and the logical device number within that slot
* in case of multi-function devices.
*
+ * Note: the bus/slot search is limited to PCI domain (segment) 0.
+ *
* Given a PCI bus and slot/function number, the desired PCI device
* is located in system global list of PCI devices. If the device
* is found, a pointer to its data structure is returned. If no
@@ -157,7 +159,8 @@ struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn)
struct pci_dev *dev = NULL;
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
- if (dev->bus->number == bus && dev->devfn == devfn)
+ if (pci_domain_nr(dev->bus) == 0 &&
+ (dev->bus->number == bus && dev->devfn == devfn))
return dev;
}
return NULL;