The current logic hardcodes several values that are placed
inside troff's title header (.TH). Place them as parameters
to make the class more flexible.

While here, remove the extra unused "LINUX" parameter at the
end of the .TH header.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 tools/lib/python/kdoc/kdoc_output.py | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

diff --git a/tools/lib/python/kdoc/kdoc_output.py b/tools/lib/python/kdoc/kdoc_output.py
index 4210b91dde5f..fe3fc0dfd02b 100644
--- a/tools/lib/python/kdoc/kdoc_output.py
+++ b/tools/lib/python/kdoc/kdoc_output.py
@@ -607,7 +607,14 @@ class ManFormat(OutputFormat):
         "%m %d %Y",
     ]
 
-    def __init__(self, modulename):
+    def emit_th(self, name):
+        """Emit a title header line."""
+        name = name.strip()
+
+        self.data += f'.TH "{self.modulename}" {self.section} "{name}" '
+        self.data += f' "{self.date}" "{self.manual}"\n'
+
+    def __init__(self, modulename, section="9", manual="Kernel API Manual"):
         """
         Creates class variables.
 
@@ -616,7 +623,11 @@ class ManFormat(OutputFormat):
         """
 
         super().__init__()
+
         self.modulename = modulename
+        self.section = section
+        self.manual = manual
+
         self.symbols = []
 
         dt = None
@@ -632,7 +643,7 @@ class ManFormat(OutputFormat):
         if not dt:
             dt = datetime.now()
 
-        self.man_date = dt.strftime("%B %Y")
+        self.date = dt.strftime("%B %Y")
 
     def arg_name(self, args, name):
         """
@@ -724,7 +735,7 @@ class ManFormat(OutputFormat):
 
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         for section, text in args.sections.items():
             self.data += f'.SH "{section}"' + "\n"
@@ -734,7 +745,7 @@ class ManFormat(OutputFormat):
 
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{name}" 9 "{out_name}" "{self.man_date}" "Kernel Hacker\'s Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"{name} \\- {args['purpose']}\n"
@@ -780,7 +791,7 @@ class ManFormat(OutputFormat):
     def out_enum(self, fname, name, args):
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"enum {name} \\- {args['purpose']}\n"
@@ -813,7 +824,7 @@ class ManFormat(OutputFormat):
         out_name = self.arg_name(args, name)
         full_proto = args.other_stuff["full_proto"]
 
-        self.data += f'.TH "{self.modulename}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"{name} \\- {args['purpose']}\n"
@@ -834,7 +845,7 @@ class ManFormat(OutputFormat):
         purpose = args.get('purpose')
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{module}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"typedef {name} \\- {purpose}\n"
@@ -849,7 +860,7 @@ class ManFormat(OutputFormat):
         definition = args.get('definition')
         out_name = self.arg_name(args, name)
 
-        self.data += f'.TH "{module}" 9 "{out_name}" "{self.man_date}" "API Manual" LINUX' + "\n"
+        self.emit_th(out_name)
 
         self.data += ".SH NAME\n"
         self.data += f"{args.type} {name} \\- {purpose}\n"
-- 
2.52.0