[PATCH] Documentation: no more device ids

[PATCH] Documentation: no more device ids

[Ingo Oeser]

From: Ingo Oeser <netdev@axxeo.de>

Document that we don't like to add more PCI device ids
but are happy to accept PCI vendor ids for linux/include/pci_ids.h

Original text from Jeff Garzik.

Signed-off-by: Ingo Oeser <netdev@axxeo.de>

--- old/Documentation/pci.txt	2006-03-28 08:49:02.000000000 +0200
+++ new/Documentation/pci.txt	2006-04-18 11:13:52.000000000 +0200
@@ -259,7 +259,17 @@
 to be handled by platform and generic code, not individual drivers.
 
 
-8. Obsolete functions
+8. Vendor and device identifications
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+For the future, let's avoid adding device ids to include/linux/pci_ids.h.
+
+PCI_VENDOR_ID_xxx for vendors, and a hex constant for device ids.
+ 
+Rationale:  PCI_VENDOR_ID_xxx constants are re-used, but device ids are not.
+    Further, device ids are arbitrary hex numbers, normally used only in a 
+    single location, the pci_device_id table.
+
+9. Obsolete functions
 ~~~~~~~~~~~~~~~~~~~~~
 There are several functions which you might come across when trying to
 port an old driver to the new PCI interface.  They are no longer present