The patch titled
Subject: checkpatch: allow certain SI units with three characters
has been added to the -mm tree. Its filename is
checkpatch-allow-certain-si-units-with-three-characters.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/checkpatch-allow-certain-si-units-with-three-characters.patch
echo and later at
echo http://ozlabs.org/~akpm/mmotm/broken-out/checkpatch-allow-certain-si-units-with-three-characters.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
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------------------------------------------------------
From: Julius Werner <jwerner@xxxxxxxxxxxx>
Subject: checkpatch: allow certain SI units with three characters
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.
Signed-off-by: Julius Werner <jwerner@xxxxxxxxxxxx>
Acked-by: Joe Perches <joe@xxxxxxxxxxx>
Cc: Andy Whitcroft <apw@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
scripts/checkpatch.pl | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN scripts/checkpatch.pl~checkpatch-allow-certain-si-units-with-three-characters scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-allow-certain-si-units-with-three-characters
+++ a/scripts/checkpatch.pl
@@ -4104,7 +4104,9 @@ 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]/);
_
Patches currently in -mm which might be from jwerner@xxxxxxxxxxxx are
checkpatch-allow-certain-si-units-with-three-characters.patch
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