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

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Date:	Thu, 04 Mar 2010 18:46:11 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>
Cc:	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

dOn Thu, 2010-03-04 at 17:00 -0800, Andrew Morton wrote:
> 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.

Perhaps using the function name _dev_info() and adding
the macro above is an acceptable workaround until the
dev_info struct names or local variable names could be
renamed if necessary.

dev_err and dev_warn exist in source comments only and
don't seem to be a problem.

David Miller?  Do you have an opinion on the renaming
of dev_info local variables and structs?

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