checkpatch.pl: Request if() instead #ifdef
There is a lot of use of #ifdefs in U-Boot. In an effort reduce this,
suggest using the compile-time construct.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index cf620c8..17d4182 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2261,6 +2261,12 @@
WARN("CMD_TEST",
"Possible new command - make sure you add a test\n" . $herecurr);
}
+
+ # use if instead of #if
+ if ($line =~ /^\+#if.*CONFIG.*/) {
+ WARN("PREFER_IF",
+ "Use 'if (IS_ENABLED(CONFIG...))' instead of '#if or #ifdef' where possible\n" . $herecurr);
+ }
}
sub process {