diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2013-08-27 12:28:25 -0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-08-28 13:28:10 -0400 |
| commit | fbf501c347b2eea8451a615bd823b6b91a1a8eed (patch) | |
| tree | 2dd8530287abb37b1a0a4cd26fb8c8d7c775dfae /include/uapi/linux/pci_regs.h | |
| parent | d2ab1fa68c61f01b28ab0859a972c892d81f5d32 (diff) | |
PCI: Clarify PCI_EXP_TYPE_PCI_BRIDGE comment
The PCI_EXP_TYPE_PCI_BRIDGE is a *PCIe* function that is a bridge to
PCI/PCI-X. See PCIe spec r3.0, sec 7.8.2.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/uapi/linux/pci_regs.h')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 4b8f2e3bad58..5bb33f485271 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h | |||
| @@ -421,8 +421,8 @@ | |||
| 421 | #define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */ | 421 | #define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */ |
| 422 | #define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */ | 422 | #define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */ |
| 423 | #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ | 423 | #define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ |
| 424 | #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ | 424 | #define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */ |
| 425 | #define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIE Bridge */ | 425 | #define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */ |
| 426 | #define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */ | 426 | #define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */ |
| 427 | #define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */ | 427 | #define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */ |
| 428 | #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ | 428 | #define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ |