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

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Date:	Mon, 4 Jan 2010 08:34:01 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	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 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.

-- 
Jesse Barnes, Intel Open Source Technology Center
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