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authorDmitry Torokhov <dtor_core@ameritech.net>2006-04-29 01:11:23 -0400
committerDmitry Torokhov <dtor_core@ameritech.net>2006-04-29 01:11:23 -0400
commit7b7e394185014e0f3bd8989cac937003f20ef9ce (patch)
tree3beda5f979bba0aa9822534e239cf1b45f3be69c /Documentation/pci.txt
parentddc5d3414593e4d7ad7fbd33e7f7517fcc234544 (diff)
parent693f7d362055261882659475d2ef022e32edbff1 (diff)
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'Documentation/pci.txt')
-rw-r--r--Documentation/pci.txt12
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/pci.txt b/Documentation/pci.txt
index 711210b38f5..66bbbf1d1ef 100644
--- a/Documentation/pci.txt
+++ b/Documentation/pci.txt
@@ -259,7 +259,17 @@ on the bus need to be capable of doing it, so this is something which needs
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