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Message-ID: <1357231792.25181.62.camel@joe-AO722>
Date:	Thu, 03 Jan 2013 08:49:52 -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: [PATCH V2] checkpatch: prefer dev_<level>( to
 dev_printk(KERN_<LEVEL>

Add YA check to printk style.

dev_<level> uses are functions and generate smaller
object code than dev_printk(KERN_<LEVEL>.

Signed-off-by: Joe Perches <joe@...ches.com>
---
V2: Remove unnecessary copy/paste logic from pr_<level>
    conversion above it.

 scripts/checkpatch.pl | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9de3a69..9a1ae72 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2425,6 +2425,15 @@ sub process {
 			     "Prefer pr_warn(... to pr_warning(...\n" . $herecurr);
 		}
 
+		if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
+			my $orig = $1;
+			my $level = lc($orig);
+			$level = "warn" if ($level eq "warning");
+			$level = "dbg" if ($level eq "debug");
+			WARN("PREFER_DEV_LEVEL",
+			     "Prefer dev_$level(... to dev_printk(KERN_$orig, ...\n" . $herecurr);
+		}
+
 # function brace can't be on same line, except for #defines of do while,
 # or if closed on same line
 		if (($line=~/$Type\s*$Ident\(.*\).*\s{/) and



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