This adds a simple check that any compatible strings in DeviceTree dts files are present in Documentation/devicetree/bindings and in dts/Bindings/. Vendor prefixes are also checked for existing in vendor-prefixes.txt. This code is based on linux v4.0-rc6 checkpatch.pl dt-checking code by Rob Herring & Florian Vaussard: Rob Herring (2): checkpatch: add DT compatible string documentation checks checkpatch: fix wildcard DT compatible string checking Florian Vaussard (3): checkpatch: fix spurious vendor compatible warnings checkpatch: check compatible strings in .c and .h too checkpatch: improve the compatible vendor match Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx> Cc: Rob Herring <robh@xxxxxxxxxx> Cc: Florian Vaussard <florian.vaussard@xxxxxxx> --- scripts/checkpatch.pl | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index a40d32c..8d96434 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1466,6 +1466,41 @@ sub process { #print "is_end<$is_end> length<$length>\n"; } +# check for DT compatible documentation + if (defined $root && + (($realfile =~ /\.dtsi?$/ && $line =~ /^\+\s*compatible\s*=\s*\"/) || + ($realfile =~ /\.[ch]$/ && $line =~ /^\+.*\.compatible\s*=\s*\"/))) { + + my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g; + + # linux device tree files + my $dt_path = $root . "/dts/Bindings/"; + my $vp_file = $dt_path . "vendor-prefixes.txt"; + + # barebox-specific bindings + $dt_path = $dt_path . " " . $root . "/Documentation/devicetree/bindings/"; + + foreach my $compat (@compats) { + my $compat2 = $compat; + $compat2 =~ s/\,[a-zA-Z0-9]*\-/\,<\.\*>\-/; + my $compat3 = $compat; + $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1<\.\*>\-/; + `grep -Erq "$compat|$compat2|$compat3" $dt_path`; + if ( $? >> 8 ) { + WARN( + "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $herecurr); + } + + next if $compat !~ /^([a-zA-Z0-9\-]+)\,/; + my $vendor = $1; + `grep -Eq "^$vendor\\b" $vp_file`; + if ( $? >> 8 ) { + WARN( + "DT compatible string vendor \"$vendor\" appears un-documented -- check $vp_file\n" . $herecurr); + } + } + } + # check we are in a valid source file if not then ignore this hunk next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); -- 2.1.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox