netdev - Re: [PATCH 2/2] device.h drivers/base/core.c Convert dev

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Message-Id: <20100304170030.f97c6630.akpm@linux-foundation.org>
Date:	Thu, 4 Mar 2010 17:00:30 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Joe Perches <joe@...ches.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Nick Andrew <nick@...k-andrew.net>,
	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] device.h drivers/base/core.c Convert dev_<level>
 macros to functions

On Thu, 4 Mar 2010 16:56:09 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Wed,  3 Mar 2010 22:27:23 -0800 Joe Perches <joe@...ches.com> wrote:
> 
> > Save ~60k in a defconfig
> > 
> > Use %pV and struct va_format
> > Format arguments are verified before printk
> 
> Well that doesn't work very well.
> 
> drivers/net/pcmcia/pcnet_cs.c:117: error: 'dev_info' redeclared as different kind of symbol
> include/linux/device.h:645: error: previous declaration of 'dev_info' was here
> 
> there are lots of other dev_info's which will fail plus perhaps
> dev_err's, etc.
> 

btw, this may be kludgeable aroundable by doing

int _dev_info(const struct device *dev, const char *fmt, ...);

#define dev_info(...) _dev_info(...)

which will use the preprocessor's separation of `foo' from `foo()' to
fix things up.

But it would be better to rename all those dev_info's to device_info or
whatever, IMO.

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