checkpatch: remove obsolete CONFIG_EXPERIMENTAL checks

Config EXPERIMENTAL has been removed from kernel in 2013 (see commit
3d374d09f16f: "final removal of CONFIG_EXPERIMENTAL"), there is no any
reason to do these checks now.

Link: http://lkml.kernel.org/r/1488234097-20119-1-git-send-email-ruslan.bilovol@gmail.com
Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index baa3c7b..30eeba4 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2757,13 +2757,6 @@ sub process {
                        #print "is_start<$is_start> is_end<$is_end> length<$length>\n";
                }
 
-# discourage the addition of CONFIG_EXPERIMENTAL in Kconfig.
-               if ($realfile =~ /Kconfig/ &&
-                   $line =~ /.\s*depends on\s+.*\bEXPERIMENTAL\b/) {
-                       WARN("CONFIG_EXPERIMENTAL",
-                            "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n");
-               }
-
 # discourage the use of boolean for type definition attributes of Kconfig options
                if ($realfile =~ /Kconfig/ &&
                    $line =~ /^\+\s*\bboolean\b/) {
@@ -3157,12 +3150,6 @@ sub process {
                        }
                }
 
-# discourage the addition of CONFIG_EXPERIMENTAL in #if(def).
-               if ($line =~ /^\+\s*\#\s*if.*\bCONFIG_EXPERIMENTAL\b/) {
-                       WARN("CONFIG_EXPERIMENTAL",
-                            "Use of CONFIG_EXPERIMENTAL is deprecated. For alternatives, see https://lkml.org/lkml/2012/10/23/580\n");
-               }
-
 # check for RCS/CVS revision markers
                if ($rawline =~ /^\+.*\$(Revision|Log|Id)(?:\$|)/) {
                        WARN("CVS_KEYWORD",