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-rwxr-xr-xscripts/checkpatch.pl22
1 files changed, 14 insertions, 8 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index fcc74fe7b4d9..8489c35799e8 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1514,6 +1514,14 @@ sub rtrim {
return $string;
}
+sub string_find_replace {
+ my ($string, $find, $replace) = @_;
+
+ $string =~ s/$find/$replace/g;
+
+ return $string;
+}
+
sub tabify {
my ($leading) = @_;
@@ -3733,14 +3741,6 @@ sub process {
}
}
-sub string_find_replace {
- my ($string, $find, $replace) = @_;
-
- $string =~ s/$find/$replace/g;
-
- return $string;
-}
-
# check for bad placement of section $InitAttribute (e.g.: __initdata)
if ($line =~ /(\b$InitAttribute\b)/) {
my $attr = $1;
@@ -4198,6 +4198,12 @@ sub string_find_replace {
"usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_possible_cpu(), etc\n" . $herecurr);
}
+# Use of __ARCH_HAS_<FOO> or ARCH_HAVE_<BAR> is wrong.
+ if ($line =~ /\+\s*#\s*define\s+((?:__)?ARCH_(?:HAS|HAVE)\w*)\b/) {
+ ERROR("DEFINE_ARCH_HAS",
+ "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . $herecurr);
+ }
+
# check for %L{u,d,i} in strings
my $string;
while ($line =~ /(?:^|")([X\t]*)(?:"|$)/g) {