linux-kernel - Re: [PATCH] PCI: Clean up build for CONFIG_PCI

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Date:	Mon, 4 Jan 2010 11:55:14 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	unlisted-recipients:; (no To-header on input)
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>
Subject: Re: [PATCH] PCI: Clean up build for CONFIG_PCI_QUIRKS unset

On Mon, 4 Jan 2010 08:34:01 -0800
Jesse Barnes <jbarnes@...tuousgeek.org> wrote:

> On Sat, 2 Jan 2010 22:57:24 +0100
> "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> 
> > From: Rafael J. Wysocki <rjw@...k.pl>
> > 
> > Currently, drivers/pci/quirks.c is built unconditionally, but if
> > CONFIG_PCI_QUIRKS is unset, the only things actually built in this
> > file are definitions of global variables and empty functions (due to
> > the #ifdef CONFIG_PCI_QUIRKS embracing all of the code inside the
> > file).  This is not particularly nice and if someone overlooks
> > the #ifdef CONFIG_PCI_QUIRKS, build errors are introduced.
> > 
> > To clean that up, move the definitions of the global variables in
> > quirks.c that are always built to pci.c, move the definitions of
> > the empty functions (compiled when CONFIG_PCI_QUIRKS is unset) to
> > headers (additionally make these functions static inline) and modify
> > drivers/pci/Makefile so that quirks.c is only built if
> > CONFIG_PCI_QUIRKS is set.
> > 
> > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> > ---
> > 
> > I thought it might be useful to do something like this.
> > 
> > Please let me know what you think.
> 
> Thanks Rafael, I actually had a fix for this already from Dexuan, but
> I guess Linus applied yours instead.
> 
> Thanks for the fix.
> 

Oops this is a cleanup of the fix.  Will queue it up.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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