[PATCH 6/6] 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 ---

scripts/checkpatch.pl | 6 ++++++ 1 file changed, 6 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 22869992e90..33ec4e2bfd4 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2259,6 +2259,12 @@ sub u_boot_line { 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 {