Messages in this thread | | | Subject | Re: [PATCHv2] checkpatch: Allow certain SI units with three characters | From | Joe Perches <> | Date | Mon, 10 Nov 2014 11:50:17 -0800 |
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On Mon, 2014-11-10 at 11:39 -0800, Julius Werner wrote: > Checkpatch flags CamelCase identifiers in strict mode, but it has a > feature to ignore parts with only two characters to allow for SI units > like mV or uA. Unfortunately, not all SI units fit in two characters, > and not all are lower case followed by upper case. > > This patch adds hardcoded detection for frequency and 1024-based size > units (Hz/KHz/MHz/GHz/THz and KiB/MiB/GiB/TiB), since allowing any three > character combinations might be too lenient. The list can later be > expanded as needed.
Seems sensible enough, thanks.
Acked-by: Joe Perches <joe@perches.com>
> Signed-off-by: Julius Werner <jwerner@chromium.org> > --- > scripts/checkpatch.pl | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > index 374abf4..b947c75 100755 > --- a/scripts/checkpatch.pl > +++ b/scripts/checkpatch.pl > @@ -4056,7 +4056,9 @@ sub process { > #Ignore Page<foo> variants > $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ && > #Ignore SI style variants like nS, mV and dB (ie: max_uV, regulator_min_uA_show) > - $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/) { > + $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/ && > +#Ignore some three character SI units explicitly, like MiB and KHz > + $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(?:_[a-z_]+)?$/) { > while ($var =~ m{($Ident)}g) { > my $word = $1; > next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
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