[PATCH] doc: thermal: add cpu-idle-cooling to index tree

[Wang Wenhu]

Add cpu-idle-cooling.rst to the index list for user reference through
self-compiled htmldocs or online documentation tree of kernel.

Like: https://www.kernel.org/doc/html/latest/driver-api/thermal/index.html

Signed-off-by: Wang Wenhu <wenhu.wang@xxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
---
 Documentation/driver-api/thermal/cpu-idle-cooling.rst | 3 +++
 Documentation/driver-api/thermal/index.rst            | 1 +
 2 files changed, 4 insertions(+)

diff --git a/Documentation/driver-api/thermal/cpu-idle-cooling.rst b/Documentation/driver-api/thermal/cpu-idle-cooling.rst
index a1c3edecae00..b9f34ceb2a38 100644
--- a/Documentation/driver-api/thermal/cpu-idle-cooling.rst
+++ b/Documentation/driver-api/thermal/cpu-idle-cooling.rst
@@ -1,3 +1,6 @@
+================
+CPU Idle Cooling
+================
 
 Situation:
 ----------
diff --git a/Documentation/driver-api/thermal/index.rst b/Documentation/driver-api/thermal/index.rst
index 5ba61d19c6ae..4cb0b9b6bfb8 100644
--- a/Documentation/driver-api/thermal/index.rst
+++ b/Documentation/driver-api/thermal/index.rst
@@ -8,6 +8,7 @@ Thermal
    :maxdepth: 1
 
    cpu-cooling-api
+   cpu-idle-cooling
    sysfs-api
    power_allocator
 
-- 
2.17.1