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authorPaul Mackerras <paulus@samba.org>2006-04-29 16:15:57 +1000
committerPaul Mackerras <paulus@samba.org>2006-04-29 16:15:57 +1000
commit29f147d746326e4db5fe350c70373081d61a2965 (patch)
tree04c065ace8c62953441bc22079b93449b996f283 /Documentation/pci.txt
parent916a3d5729c8b710d56acf579f3fdb4de7c03e77 (diff)
parent6fb8f3acbe833586eb32598d1f844eb9f77c4fba (diff)
downloadlinux-29f147d746326e4db5fe350c70373081d61a2965.tar.gz
Merge branch 'merge'
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 711210b38f5fe4..66bbbf1d1ef64e 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