Re: [PATCH] checkpatch.pl: Update DT vendor prefix check

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On Wed, May 22, 2019 at 12:16 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
>
> On Wed, 2019-05-22 at 10:12 -0500, Rob Herring wrote:
> > In commit 8122de54602e ("dt-bindings: Convert vendor prefixes to
> > json-schema"), vendor-prefixes.txt has been converted to a DT schema.
> > Update the checkpatch.pl DT check to extract vendor prefixes from the new
> > vendor-prefixes.yaml file.
> >
> > Fixes: 8122de54602e ("dt-bindings: Convert vendor prefixes to json-schema")
> > Cc: Joe Perches <joe@xxxxxxxxxxx>
> > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> > ---
> >  scripts/checkpatch.pl | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> > index bb28b178d929..073051a4471b 100755
> > --- a/scripts/checkpatch.pl
> > +++ b/scripts/checkpatch.pl
> > @@ -3027,7 +3027,7 @@ sub process {
> >                       my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g;
> >
> >                       my $dt_path = $root . "/Documentation/devicetree/bindings/";
> > -                     my $vp_file = $dt_path . "vendor-prefixes.txt";
> > +                     my $vp_file = $dt_path . "vendor-prefixes.yaml";
> >
> >                       foreach my $compat (@compats) {
> >                               my $compat2 = $compat;
> > @@ -3042,7 +3042,7 @@ sub process {
> >
> >                               next if $compat !~ /^([a-zA-Z0-9\-]+)\,/;
> >                               my $vendor = $1;
> > -                             `grep -Eq "^$vendor\\b" $vp_file`;
> > +                             `grep -oE "\\"\\^[a-zA-Z0-9]+" $vp_file | grep -q "$vendor"`;
>
> I think this does't work well as it loses the -
> in various vendor prefixes:
>
>   "^active-semi,.*":
>   "^asahi-kasei,.*":
>   "^ebs-systart,.*":
>   "^inside-secure,.*":
>   "^multi-inno,.*":
>   "^netron-dy,.*":
>   "^si-en,.*":
>   "^si-linux,.*":
>   "^tbs-biometrics,.*":
>   "^u-blox,.*":
>   "^x-powers,.*":

Ah, indeed.

> Perhaps the grep should be something like: (untested)
>
>         `grep -Eq "\\"\\^\Q$vendor\E,\\.\\*\\":" $vp_file`;

That works. Thanks.

Rob



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