linux-kernel - [PATCH] checkpatch: Update suggested printk conversions

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Message-ID: <1347376767.3985.7.camel@joe2Laptop>
Date:	Tue, 11 Sep 2012 08:19:27 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Andy Whitcroft <apw@...onical.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] checkpatch: Update suggested printk conversions

Direct conversion of printk(KERN_<LEVEL>... to pr_<level> isn't
the preferred conversion when a struct net_device or struct device
is available.

Hint that using netdev_<level> or dev_<level> is preferred to using
pr_<level>.  Add netdev_dbg and dev_dbg variants too.

Miscellaneous whitespace neatening of a misplaced close brace.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ca05ba2..e1f4390 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -421,7 +421,7 @@ sub top_of_kernel_tree {
 		}
 	}
 	return 1;
-    }
+}
 
 sub parse_email {
 	my ($formatted_email) = @_;
@@ -2390,8 +2390,10 @@ sub process {
 			my $orig = $1;
 			my $level = lc($orig);
 			$level = "warn" if ($level eq "warning");
+			my $level2 = $level;
+			$level2 = "dbg" if ($level eq "debug");
 			WARN("PREFER_PR_LEVEL",
-			     "Prefer pr_$level(... to printk(KERN_$1, ...\n" . $herecurr);
+			     "Prefer netdev_$level2(netdev, ... then dev_$level2(dev, ... then pr_$level(...  to printk(KERN_$orig ...\n" . $herecurr);
 		}
 
 		if ($line =~ /\bpr_warning\s*\(/) {


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