linux-kernel - Re: [PATCH] checkpatch: prefer dev_<level>( to dev_printk(KERN

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Message-ID: <1357230494.25181.55.camel@joe-AO722>
Date:	Thu, 03 Jan 2013 08:28:14 -0800
From:	Joe Perches <joe@...ches.com>
To:	Andy Whitcroft <apw@...onical.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Lance Ortiz <lance.ortiz@...com>, bhelgaas@...gle.com,
	lance_ortiz@...mail.com, jiang.liu@...wei.com, tony.luck@...el.com,
	bp@...en8.de, rostedt@...dmis.org, mchehab@...hat.com,
	linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] checkpatch: prefer dev_<level>( to
 dev_printk(KERN_<LEVEL>

On Thu, 2013-01-03 at 10:08 +0000, Andy Whitcroft wrote:
> On Wed, Jan 02, 2013 at 04:06:34PM -0800, Joe Perches wrote:
> > Add YA check to printk style.
> > 
> > dev_<level> uses are functions and generate smaller
> > object code than dev_printk(KERN_<LEVEL>.
[]
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> > +		if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
> > +			my $orig = $1;
> > +			my $level = lc($orig);
> > +			$level = "warn" if ($level eq "warning");
> > +			my $level2 = $level;
> > +			$level2 = "dbg" if ($level eq "debug");
> 
> Is there some sublty I am not seeing here such that level2 is necessary?

No, your vision is 20/20, it's not necessary.

It was a copy/paste from the pr_<level> conversion above it
where 2 styles to convert to (dev_dbg and pr_debug) are used.

Here there is just one form and your review is appreciated.
I'll submit a V2 later.


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