linux-kernel - Re: [PATCH] Document pci

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Message-ID: <20090810092823.4f697e55@jbarnes-g45>
Date:	Mon, 10 Aug 2009 09:28:23 -0700
From:	Jesse Barnes <jesse.barnes@...el.com>
To:	Dave Jones <davej@...hat.com>
Cc:	Greg KH <greg@...ah.com>, Marcel Holtmann <marcel@...tmann.org>,
	"Luis R. Rodriguez" <lrodriguez@...eros.com>,
	linville@...driver.com, linux-kernel@...r.kernel.org,
	linux-wireless@...r.kernel.org, zhifeng.cai@...eros.com,
	stephen.chen@...eros.com, linux-usb@...r.kernel.org,
	jbarnes@...tuousgeek.org
Subject: Re: [PATCH] Document pci_ids.h addition policy.

On Thu, 6 Aug 2009 15:13:59 -0400
Dave Jones <davej@...hat.com> wrote:

> On Thu, Aug 06, 2009 at 11:33:26AM -0700, Greg Kroah-Hartman wrote:
>  
>  > > I agree. In fact, I'd go further, and say that the bulk of what
>  > > we have in pci_ids.h is also pointlessly shared. Only a tiny
>  > > fraction of the device entries in that file are used by multiple
>  > > files in the kernel.
>  > 
>  > I agree with that as well, which is why when I was PCI maintainer,
>  > I didn't allow any new additions to the pci_ids.h file, unless it
>  > was going to be an id that was shared by different drivers.  That
>  > cut the new additions down to about none :)
> 
> Perhaps documenting this is a good idea to prevent things being moved
> there, as it still seems to be happening judging from the git log.
> 
> Signed-off-by: Dave Jones <davej@...hat.com>
>  
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index 73b46b6..f9156fd 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2,6 +2,9 @@
>   *	PCI Class, Vendor and Device IDs
>   *
>   *	Please keep sorted.
> + *
> + *	Do not add new entries to this file unless the definitions
> + *	are shared between multiple drivers.
>   */
>  
>  /* Device classes and subclasses */
> 

Applied to linux-next, thanks.  I'll try to be more strict about this
too (I've reminded a few people of this informal policy already).

-- 
Jesse Barnes, Intel Open Source Technology Center
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