linux-kernel - Re: [PATCH 4/6] include linux pci_id-h add amd northbridge defines

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Message-ID: <830935.77535.qm@web50107.mail.re2.yahoo.com>
Date:	Tue, 12 Jun 2007 22:10:58 -0700 (PDT)
From:	Doug Thompson <norsk5@...oo.com>
To:	Dave Jones <davej@...hat.com>, Greg KH <greg@...ah.com>
Cc:	dougthompson@...ssion.com, alan@...rguk.ukuu.org.uk,
	linux-kernel@...r.kernel.org, akpm@...l.org
Subject: Re: [PATCH 4/6] include linux pci_id-h add amd northbridge defines


--- Dave Jones <davej@...hat.com> wrote:

> On Mon, Jun 11, 2007 at 04:49:47PM -0700, Greg Kroah-Hartman wrote:
>  > On Mon, Jun 11, 2007 at 04:30:11PM -0700, Doug Thompson wrote:
>  > > I am working with the k8 driver and its dealing with a race with the mcelog device as both
> access
>  > > the K8 NB. The K8 driver does use these regs and it currently has #ifndef s in it for both
> of
>  > > them.
>  > > 
>  > > I guess I could have submitted the patch when the K8 driver was submitted.
>  > 
>  > That would be preferable, thanks.
> 
> Even better (IMO), if they're not used by any other driver (which seems
> to be the case), keep the defines local to the driver.
> 
> 	Dave

There are 4 K8 Memory Controller registers, 2 of which are already in pci_ids.h (and are used by
others) and 2 more that I need. I define the 2 I need now in the file, but was worried when
someone else might add them to the pci_ids.h file.  Just figured that it would be better to keep
all 4 together.

So is the model of such placement to locate the #define near to the sole consumer of that item? 

And if used by others, to move it to the pci_ids.h file?

thanks

doug t

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