linux-kernel - Re: [PATCH 2/2] iomap: make IOPORT/PCI mapping functions conditional

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Date:	Sat, 02 Jul 2011 21:54:26 +0200
From:	Jonas Bonn <jonas@...thpole.se>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 2/2] iomap: make IOPORT/PCI mapping functions
 conditional


On Sat, 2011-07-02 at 21:46 +0200, Arnd Bergmann wrote:
> On Saturday 02 July 2011 17:53:26 Jonas Bonn wrote:
> > Use the CONFIG_HAS_IOPORT and CONFIG_PCI options to decide whether or
> > not functions for mapping these areas are provided.
> > 
> > Signed-off-by: Jonas Bonn <jonas@...thpole.se>
> 
> Good catch!
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>
> 
> Did you get a build error without the two options, or did you just have an
> idea to save a bit of code size?
> 

There was no build error; I just figured it would aid in debugging if
you got a compile-time error when trying to build drivers that use these
functions for a platform that lacked them.  Smaller code is always nice,
too.

/Jonas

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