checkpatch: warn on unnecessary __dev<foo> section markings

Get people to stop adding __devinit and __devexit section markings.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f9afd075e109..3dcfbc9c6db4 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1931,6 +1931,12 @@ sub process {
                               "use the SSYNC() macro in asm/blackfin.h\n" . $herevet);
                 }
 
+# check for old HOTPLUG __dev<foo> section markings
+                if ($line =~ /\b(__dev(init|exit)(data|const|))\b/) {
+                        WARN("HOTPLUG_SECTION",
+                             "Using $1 is unnecessary\n" . $herecurr);
+                }
+
 # Check for potential 'bare' types
                 my ($stat, $cond, $line_nr_next, $remain_next, $off_next,
                     $realline_next);