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  1. 01 Sep, 2016 3 commits
    • Markus Heiser's avatar
      docs: sphinx-extensions: add metadata parallel-safe · b62b9d81
      Markus Heiser authored 
      The setup() function of a Sphinx-extension can return a dictionary. This
is treated by Sphinx as metadata of the extension [1].

With metadata "parallel_read_safe = True" a extension is marked as
save for "parallel reading of source". This is needed if you want
build in parallel with N processes. E.g.:

  make SPHINXOPTS=-j4 htmldocs

will no longer log warnings like:

  WARNING: the foobar extension does not declare if it is safe for
  parallel reading, assuming it isn't - please ask the extension author
  to check and make it explicit.

Add metadata to extensions:

* kernel-doc
* flat-table
* kernel-include

[1] http://www.sphinx-doc.org/en/stable/extdev/#extension-metadataSigned-off-by: default avatarMarkus Heiser <markus.heiser@darmarIT.de>
Tested-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
      b62b9d81
    • Mauro Carvalho Chehab's avatar
      docs-rst: kernel-doc: fix typedef output in RST format · 82801d06
      Mauro Carvalho Chehab authored 
      When using a typedef function like this one:
	typedef bool v4l2_check_dv_timings_fnc (const struct v4l2_dv_timings * t, void * handle);

The Sphinx C domain expects it to create a c:type: reference,
as that's the way it creates the type references when parsing
a c:function:: declaration.

So, a declaration like:

	.. c:function:: bool v4l2_valid_dv_timings (const struct v4l2_dv_timings * t, const struct v4l2_dv_timings_cap * cap, v4l2_check_dv_timings_fnc fnc, void * fnc_handle)

Will create a cross reference for :c:type:`v4l2_check_dv_timings_fnc`.

So, when outputting such typedefs in RST format, we need to handle
this special case, as otherwise it will produce those warnings:

	./include/media/v4l2-dv-timings.h:43: WARNING: c:type reference target not found: v4l2_check_dv_timings_fnc
	./include/media/v4l2-dv-timings.h:60: WARNING: c:type reference target not found: v4l2_check_dv_timings_fnc
	./include/media/v4l2-dv-timings.h:81: WARNING: c:type reference target not found: v4l2_check_dv_timings_fnc

So, change the kernel-doc script to produce a RST output for the
above typedef as:
	.. c:type:: v4l2_check_dv_timings_fnc

	   **Typedef**: timings check callback

	**Syntax**

	  ``bool v4l2_check_dv_timings_fnc (const struct v4l2_dv_timings * t, void * handle);``
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
      82801d06
    • Mauro Carvalho Chehab's avatar
      docs-rst: improve typedef parser · d37c43ce
      Mauro Carvalho Chehab authored 
      Improve the parser to handle typedefs like:

	typedef bool v4l2_check_dv_timings_fnc(const struct v4l2_dv_timings *t, void *handle);
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
      d37c43ce
  3. 25 Aug, 2016 1 commit
  5. 24 Aug, 2016 1 commit
    • Mauro Carvalho Chehab's avatar
      docs-rst: kernel-doc: better output struct members · 6d232c80
      Mauro Carvalho Chehab authored 
      Right now, for a struct, kernel-doc produces the following output:

	.. c:type:: struct v4l2_prio_state

	   stores the priority states

	**Definition**

	::

	  struct v4l2_prio_state {
	    atomic_t prios[4];
	  };

	**Members**

	``atomic_t prios[4]``
	  array with elements to store the array priorities

Putting a member name in verbatim and adding a continuation line
causes the LaTeX output to generate something like:
	item[atomic_t prios\[4\]] array with elements to store the array priorities

Everything inside "item" is non-breakable, with may produce
lines bigger than the column width.

Also, for function members, like:

        int (* rx_read) (struct v4l2_subdev *sd, u8 *buf, size_t count,ssize_t *num);

It puts the name of the member at the end, like:

        int (*) (struct v4l2_subdev *sd, u8 *buf, size_t count,ssize_t *num) read

With is very confusing.

The best is to highlight what really matters: the member name.
is a secondary information.

So, change kernel-doc, for it to produce the output on a different way:

	**Members**

	``prios[4]``

	  array with elements to store the array priorities

Also, as the type is not part of LaTeX "item[]", LaTeX will split it into
multiple lines, if needed.

So, both LaTeX/PDF and HTML outputs will look good.

It should be noticed, however, that the way Sphinx LaTeX output handles
things like:

	Foo
	   bar

is different than the HTML output. On HTML, it will produce something
like:

	**Foo**
	   bar

While, on LaTeX, it puts both foo and bar at the same line, like:

	**Foo** bar
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
      6d232c80
  7. 22 Aug, 2016 10 commits
  9. 19 Aug, 2016 1 commit
  11. 18 Aug, 2016 24 commits
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