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Commit 37a9c502 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Bjorn Helgaas
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PCI: Clarify policy for vendor IDs in pci.txt 



Clarify pci.txt so it matches the "do not add new entries unless they are
shared between multiple drivers" comment in include/linux/pci_ids.h.

[bhelgaas: changelog, strengthen language]
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent e33caa82

Documentation/PCI/pci.txt

+6 −6
Original line number Original line Diff line number Diff line
@@ -564,14 +564,14 @@ to be handled by platform and generic code, not individual drivers. 
8. Vendor and device identifications

8. Vendor and device identifications

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~





One is not required to add new device ids to include/linux/pci_ids.h.

Do not add new device or vendor IDs to include/linux/pci_ids.h unless they

Please add PCI_VENDOR_ID_xxx for vendors and a hex constant for device ids.

are shared across multiple drivers.  You can add private definitions in

your driver if they're helpful, or just use plain hex constants.





PCI_VENDOR_ID_xxx constants are re-used. The device ids are arbitrary

The device IDs are arbitrary hex numbers (vendor controlled) and normally used

hex numbers (vendor controlled) and normally used only in a single

only in a single location, the pci_device_id table.

location, the pci_device_id table.





Please DO submit new vendor/device ids to pciids.sourceforge.net project.

Please DO submit new vendor/device IDs to http://pciids.sourceforge.net/.