linux-kernel - Re: [PATCH 1/4] mfd: Kontron PLD mfd driver

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Message-ID: <20130418184003.GA8251@roeck-us.net>
Date:	Thu, 18 Apr 2013 11:40:03 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Joe Perches <joe@...ches.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Kevin Strasser <kevin.strasser@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	Michael Brunner <michael.brunner@...tron.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Wolfram Sang <wsa@...-dreams.de>,
	Ben Dooks <ben-linux@...ff.org>, linux-i2c@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Linus Walleij <linus.walleij@...aro.org>,
	Wim Van Sebroeck <wim@...ana.be>,
	linux-watchdog@...r.kernel.org,
	Darren Hart <dvhart@...ux.intel.com>,
	Michael Brunner <mibru@....de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 1/4] mfd: Kontron PLD mfd driver

On Thu, Apr 18, 2013 at 09:42:17AM -0700, Joe Perches wrote:
> On Thu, 2013-04-18 at 06:35 -0700, Guenter Roeck wrote:
> > On Wed, Apr 17, 2013 at 09:40:53PM -0700, Joe Perches wrote:
> > > On Wed, 2013-04-17 at 21:19 -0700, Guenter Roeck wrote:
> > > > On Sat, Apr 13, 2013 at 10:38:07PM +0200, Thomas Gleixner wrote:
> > > > > > + return kempld_read8(pld, index) | kempld_read8(pld, index+1) << 8;
> > > > >                                                         index + 1)
> > > > > Please
> > > > Wondering .... why does checkpatch not report those ?
> > > 
> > > because checkpatch doesn't care about spacing around
> > > arithmetic as long as it's consistent.
> > > 
> > > Documentation/CodingStyle doesn't say anything about
> > > it either.
> > > 
> > Hi Joe,
> > 
> > "Use one space around (on each side of) most binary and ternary operators"
> > 
> > doesn't apply, then ? When does it apply ? I always thought it would apply
> > to cases such as the above.
> 
> There's a _lot_ of code that doesn't follow the
> "single space around binary operators" style,
> it's contentious, and was determined when Andy
> did the original checkpatch implementation to not
> be a valuable addition or worth the complaint pain.
> 
Looks like it is contentious either way.

Thanks a lot for the clarification.

Guenter
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