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>

diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index 4b8f2e3..5bb33f4 100644 (file)
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -421,8 +421,8 @@
 #define  PCI_EXP_TYPE_ROOT_PORT 0x4    /* Root Port */
 #define  PCI_EXP_TYPE_UPSTREAM 0x5     /* Upstream Port */
 #define  PCI_EXP_TYPE_DOWNSTREAM 0x6   /* Downstream Port */
-#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7   /* PCI/PCI-X Bridge */
-#define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8  /* PCI/PCI-X to PCIE Bridge */
+#define  PCI_EXP_TYPE_PCI_BRIDGE 0x7   /* PCIe to PCI/PCI-X Bridge */
+#define  PCI_EXP_TYPE_PCIE_BRIDGE 0x8  /* PCI/PCI-X to PCIe Bridge */
 #define  PCI_EXP_TYPE_RC_END   0x9     /* Root Complex Integrated Endpoint */
 #define  PCI_EXP_TYPE_RC_EC    0xa     /* Root Complex Event Collector */
 #define PCI_EXP_FLAGS_SLOT     0x0100  /* Slot implemented */