checkpatch: ignore SI unit CamelCase variants like "_uV"

Many existing variable names use SI like variants that should be otherwise obvious and acceptable. Whitelist them from the CamelCase message. Signed-off-by: Joe Perches <[email protected]> Suggested-by: Phil Carmody <[email protected]> Acked-by: Phil Carmody <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
slyon · Jul 3, 2013 · 22735ce · 22735ce
1 parent 786b632
commit 22735ce
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
@@ -3195,7 +3195,10 @@ sub process {
 #CamelCase
 			if ($var !~ /^$Constant$/ &&
 			    $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
+#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)
+			    $var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/ &&
 			    !defined $camelcase{$var}) {
 				$camelcase{$var} = 1;
 				CHK("CAMELCASE",