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checkpatch: fix spurious vendor compatible warnings

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With a compatible string like

  compatible = "foo";

checkpatch will currently try to find "foo" in vendor-prefixes.txt,
which is wrong since the vendor prefix is empty in this specific case.

Skip the vendor test if the compatible is not like

  compatible = "vendor,something";

Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Cc: Joe Perches <joe@perches.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Florian Vaussard 2014-04-03 14:49:25 -07:00 committed by Linus Torvalds
parent 8f0dbfaf27
commit 4fbf32a693
1 changed files with 2 additions and 2 deletions
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4
scripts/checkpatch.pl
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@ -2088,10 +2088,10 @@ sub process {
"DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $herecurr);
}
my $vendor = $compat;
my $vendor_path = $dt_path . "vendor-prefixes.txt";
next if (! -f $vendor_path);
$vendor =~ s/^([a-zA-Z0-9\-]+)\,.*/$1/;
next if $compat !~ /^([a-zA-Z0-9\-]+)\,/;
my $vendor = $1;
`grep -Eq "$vendor" $vendor_path`;
if ( $? >> 8 ) {
WARN("UNDOCUMENTED_DT_STRING",