Each text file under Documentation follows a different
format. Some doesn't even have titles!

Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:

- Add markups for section titles;
- Use :Author: for authorship;
- Mark literal block as such and ident it.
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

Fix minor typo so that can pass correct pointer variable for
container_of().
Signed-off-by: NLeo Yan <leo.yan@linaro.org>
[jc: tweaked formatting]
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

This patch fix a typo in Documentation/mailbox.txt
"bool async" is defined in struct demo_client.
Signed-off-by: NMasanari Iida <standby24x7@gmail.com>
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

 Some explanations with examples of how to write to implement users
and providers of the mailbox framework.
Signed-off-by: NJassi Brar <jaswinder.singh@linaro.org>