doc-rst: parse-headers: add an option to ignore enum symbols

At videodev2.h, we have hundreds of symbols that don't
currently have a reference yet. Let's ignore for how, while
we don't improve those cross-refs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/Documentation/sphinx/parse-headers.pl b/Documentation/sphinx/parse-headers.pl
index fc18eac1552cde9283eb7ad5a6de53e237f3d06f..16ea28b0d2e19978f9c0f5a5d6ecea9faa429829 100755 (executable)
--- a/Documentation/sphinx/parse-headers.pl
+++ b/Documentation/sphinx/parse-headers.pl
@@ -163,6 +163,10 @@ if ($file_exceptions) {
                        delete $structs{$1} if (exists($structs{$1}));
                        next;
                }
+               if (m/^ignore\s+symbol\s+(\S+)/) {
+                       delete $enum_symbols{$1} if (exists($enum_symbols{$1}));
+                       next;
+               }
 
                # Parsers to replace a symbol