[PATCH 0/4] pci: Add PCI_BUS() and PCI_DEVID() interfaces to returnbus number and device id

From: Shuah Khan
Date: Mon Feb 11 2013 - 18:00:34 EST

pci defines PCI_DEVFN(), PCI_SLOT(), and PCI_FUNC() interfaces, however,
it doesn't have interfaces to return PCI bus and PCI device id. Drivers
(AMD IOMMU, and AER) have module specific definitions for PCI_BUS() and
AMD_IOMMU driver also has a module specific interface to calculate PCI
device id from bus number and devfn.

This patch set adds PCI_BUS(), and PCI_DEVID() to pci.h, changes are to
use PCI_BUS() from pci. Changes AMD_IOMMU driver to use PCI_BUS() and
PCI_DEVID() from pci.

Files changed:

include/uapi/linux/pci.h | 4 ++++
1 file changed, 4 insertions(+)

drivers/pci/pcie/aer/aerdrv_core.c | 2 --
1 file changed, 2 deletions(-)

drivers/iommu/amd_iommu_types.h | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

drivers/iommu/amd_iommu.c | 2 +-
drivers/iommu/amd_iommu_init.c | 6 +++---
drivers/iommu/amd_iommu_types.h | 7 -------
3 files changed, 4 insertions(+), 11 deletions(-)

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