doc: shorten overlong title underlines
Title underlines should match the length of the title. Unfortunately
docutils only catches underlines that are too short.
Add some missing empty lines after titles.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/doc/develop/driver-model/nvmxip.rst b/doc/develop/driver-model/nvmxip.rst
index e85dc22..4a7650c 100644
--- a/doc/develop/driver-model/nvmxip.rst
+++ b/doc/develop/driver-model/nvmxip.rst
@@ -1,7 +1,7 @@
.. SPDX-License-Identifier: GPL-2.0+
NVM XIP Block Storage Emulation Driver
-=======================================
+======================================
Summary
-------
@@ -54,12 +54,12 @@
The implementation is generic and can be used by different platforms.
Supported hardware
---------------------------------
+------------------
Any plaform supporting readq().
Configuration
-----------------------
+-------------
config NVMXIP
This option allows the emulation of a block storage device
@@ -77,7 +77,7 @@
write their own driver (same as nvmxip_qspi in addition to the custom settings).
Device Tree nodes
---------------------
+-----------------
Multiple QSPI XIP flash devices can be used at the same time by describing them through DT
nodes.