linux-kernel - Re: Coding style question

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Message-ID: <45CC9B12.7040808@s5r6.in-berlin.de>
Date:	Fri, 09 Feb 2007 17:02:26 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Pavel Pisa <pisa@....felk.cvut.cz>
CC:	Russell King - ARM Linux <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pierre Ossman <drzeus@...eus.cx>
Subject: Re: Coding style question

Pavel Pisa wrote:
> There are tightly copled two macros for preparation
> and acquisition of muti-bit masked fields values
> 
> #define __val2mfld(mask,val) (((mask)&~((mask)<<1))*(val)&(mask))
> 
> #define __mfld2val(mask,val) (((val)&(mask))/((mask)&~((mask)<<1)))

The macro names are awkward.
http://lxr.linux.no/source/Documentation/CodingStyle?v=2.6.18#L133

Consider longer names (and to partially counteract column consumption,
omit the leading underscores) or at least spell their purpose out in a
short comment at the macro definitions.
-- 
Stefan Richter
-=====-=-=== --=- -=--=
http://arcgraph.de/sr/
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