[PATCH 5/8] docs: maintainers_include: use a better title for profiles

[Mauro Carvalho Chehab]

As we're picking the name of the subsystem from MAINTAINERS,
also use its subsystem name for the titles.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
---
 Documentation/sphinx/maintainers_include.py | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/Documentation/sphinx/maintainers_include.py b/Documentation/sphinx/maintainers_include.py
index 1dac83bf1a65..cf428db7599c 100755
--- a/Documentation/sphinx/maintainers_include.py
+++ b/Documentation/sphinx/maintainers_include.py
@@ -36,7 +36,7 @@ class MaintainersParser:
     """Parse MAINTAINERS file(s) content"""
 
     def __init__(self, base_path, path):
-        self.profiles = list()
+        self.profiles = {}
 
         result = list()
         result.append(".. _maintainers:")
@@ -54,6 +54,7 @@ class MaintainersParser:
         prev = None
         field_prev = ""
         field_content = ""
+        subsystem_name = None
 
         for line in open(path):
             # Have we reached the end of the preformatted Descriptions text?
@@ -75,7 +76,10 @@ class MaintainersParser:
             if match:
                 fname = os.path.relpath(match.group(1), base_path)
                 if fname not in self.profiles:
-                    self.profiles.append(fname)
+                    if self.profiles.get(fname) is None:
+                        self.profiles[fname] = subsystem_name
+                    else:
+                        self.profiles[fname] += f", {subsystem_name}"
 
             # Linkify all non-wildcard refs to ReST files in Documentation/.
             pat = r'(Documentation/([^\s\?\*]*)\.rst)'
@@ -112,6 +116,8 @@ class MaintainersParser:
                     output = field_content + "\n\n"
                     field_content = ""
 
+                    subsystem_name = line.title()
+
                     # Collapse whitespace in subsystem name.
                     heading = re.sub(r"\s+", " ", line)
                     output = output + "%s\n%s" % (heading, "~" * len(heading))
@@ -217,7 +223,13 @@ class MaintainersProfile(Include):
 
         output  = ".. toctree::\n"
         output += "   :maxdepth: 2\n\n"
-        output += indent("\n".join(profiles), "   ")
+
+        items = sorted(profiles.items(), key=lambda kv: (kv[1] or "", kv[0]))
+        for fname, profile in items:
+            if profile:
+                output += f"   {profile} <{fname}>\n"
+            else:
+                output += f"   {fname}\n"
 
         self.state_machine.insert_input(statemachine.string2lines(output), path)
 
-- 
2.53.0