This reverts commit 92bb29f9b2c3d4a98eef5f0db935d4be291eec72.
We will replace the commit with the fix from Linux.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20201117165312.118257-15-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 scripts/kernel-doc | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 073f72c7da..cb603532ed 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -860,23 +860,7 @@ sub output_function_rst(%) {
 	output_highlight_rst($args{'purpose'});
 	$start = "\n\n**Syntax**\n\n  ``";
     } else {
-        if ((split(/\./, $sphinx_version))[0] >= 3) {
-            # Sphinx 3 and later distinguish macros and functions and
-            # complain if you use c:function with something that's not
-            # syntactically valid as a function declaration.
-            # We assume that anything with a return type is a function
-            # and anything without is a macro.
-            if ($args{'functiontype'} ne "") {
-                print ".. c:function:: ";
-            } else {
-                print ".. c:macro:: ";
-            }
-        } else {
-            # Older Sphinx don't support documenting macros that take
-            # arguments with c:macro, and don't complain about the use
-            # of c:function for this.
-            print ".. c:function:: ";
-        }
+	print ".. c:function:: ";
     }
     if ($args{'functiontype'} ne "") {
 	$start .= $args{'functiontype'} . " " . $args{'function'} . " (";
-- 
2.26.2