Re: [PATCH] PCI: restore 2 missing pci ids

From: Jeff Garzik
Date: Thu Feb 02 2006 - 02:26:43 EST


Kyle Moffett wrote:
On Feb 02, 2006, at 00:19, Lee Revell wrote:

On Wed, 2006-02-01 at 23:11 -0600, Mark Rustad wrote:

Why were the ids removed in the first place?


Because they weren't used by anything in the tree.


Also, the new PCI-ID policy is to put the defines in the driver itself, near where it is used, instead of collecting them in a single file. The goal is to minimize the number of unused PCI IDs in the tree by keeping the definition near the usage.

No, if you do create a constant for a PCI ID, it still should go into include/linux/pci_ids.h.

Putting them in the driver will result in highly variable naming policies, which in turn means the constants are less grep-able than today.

Device IDs simply do not need an associated constant, if they are used only in a PCI ID table. Device IDs are arbitrary numbers that are normally only used once in a source file.

Vendor IDs are used repeatedly, and definitely belong in pci_ids.h. Device IDs make sense in pci_ids.h if they are used more than once.

Jeff



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