linux-kernel - Re: [PATCH] Staging: Comedi: Drivers: Fix coding style issues in dt2801.c

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Message-ID: <20100422041338.GE24384@pengutronix.de>
Date:	Thu, 22 Apr 2010 06:13:38 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Gustavo Silva <silvagustavosilva@...il.com>, gregkh@...e.de,
	abbotti@....co.uk, devel@...verdev.osuosl.org,
	fmhess@...rs.sourceforge.net, linux-kernel@...r.kernel.org,
	silvagustavo@...rs.sourceforge.net
Subject: Re: [PATCH] Staging: Comedi: Drivers: Fix coding style issues in
	dt2801.c

On Wed, Apr 21, 2010 at 09:00:11PM -0700, Joe Perches wrote:

> > @@ -374,8 +362,8 @@ static int dt2801_writecmd(struct comedi_device *dev, int command)
> >  
> >  	stat = inb_p(dev->iobase + DT2801_STATUS);
> >  	if (stat & DT_S_COMPOSITE_ERROR) {
> > -		printk
> > -		    ("dt2801: composite-error in dt2801_writecmd(), ignoring\n");
> > +		printk(KERN_INFO "dt2801: composite-error in dt2801_writecmd()"
> > +								", ignoring\n");
> 
> It's good to preface with KERN_, but better might be to use
> 	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
> and strip the "dt2801: " intro and use
> 	pr_<level>("%s(): composite-error, ignoring\n", __func__)
> 
> It's a bit shorter, always gets the appropriate prefix, and
> would emit the proper function name if ever refactored.

What about dev_* in case there are more than one of those devices?
Also, KERN_INFO doesn't look right, KERN_WARN?

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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