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Currently there is no automated checking for kernel-doc comments except
running 'kernel-doc -v -none <filename>'. Mention the possibility to run
kernel-doc to verify formatting of the comments in the kernel-doc guide.
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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It helps to give some examples about how to use in-line
comments also when nested union/structs are present. So add it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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We want to give some examples about how to do in-line comments
for nested structs. So, move it to be after nested structs/unions
chapter.
The section content was not changed on this patch.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Without ending with a ";", kernel-doc doesn't recognize it
as an struct, and it fails to parse the example.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There's a missing */ at the end of Kernel docs example.
Even adding it, it will still produce 3 warnings:
example:33: warning: Function parameter or member 'bar' not described in 'nested_foobar'
example:33: warning: Function parameter or member 'bar.st1' not described in 'nested_foobar'
example:33: warning: Function parameter or member 'bar.st2' not described in 'nested_foobar'
So, make the example more complete and add the missing end
of comment there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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I found the layout confusing with multiple introductions to what
kernel-doc is and how to use it.
I made the following changes:
- Moved the 'Including kernel-doc comments' section to the end of
the document -- we should explain what it *is* before we explain
how to integrate it.
- Moved the 'Recommendations' subsection to the top. We want people
to know what to document before telling them how to do it.
- Rewrite the 'Writing kernel-doc comments' section, integrating
the 'Recommendations' subsection and a paragraph from 'How to format
kernel-doc comments'.
- Remove the paragraph about the kernel-doc script; we're supposed to
be teaching people how to use punctuation to write pretty documentation,
not documenting the build tooling.
- Split the 'Parameters and member arguments' section into 'Function
parameters' and 'Members'. Structure members are not commonly
referred to as arguments.
- Integrate the 'private:' and 'public:' tag descriptions into the
'Members' section.
- Move the 'In-line member documentation comments' subsection up to be
with the 'Members' section.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Line up the second line in the way that the example purports to be
showing.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Instead of asking the user to copy and paste a small perl script from
the documentation, just distribute the perl script in the scripts
directory.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The author clearly meant to use the word 'which' here. Also replace
some tabs with spaces which fixes the syntax highlighting in my editor.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This section is mentioned in scripts/kernel-doc, so we should mention it
in doc-guide/kernel-doc.rst. There are close to 500 comments using the
Context section already, and almost 300 using a Locking section which
fulfills much the same purpose (and should probably be converted for
consistency).
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There are several places within the Kernel tree with nested
structs/unions, like this one:
struct ingenic_cgu_clk_info {
const char *name;
enum {
CGU_CLK_NONE = 0,
CGU_CLK_EXT = BIT(0),
CGU_CLK_PLL = BIT(1),
CGU_CLK_GATE = BIT(2),
CGU_CLK_MUX = BIT(3),
CGU_CLK_MUX_GLITCHFREE = BIT(4),
CGU_CLK_DIV = BIT(5),
CGU_CLK_FIXDIV = BIT(6),
CGU_CLK_CUSTOM = BIT(7),
} type;
int parents[4];
union {
struct ingenic_cgu_pll_info pll;
struct {
struct ingenic_cgu_gate_info gate;
struct ingenic_cgu_mux_info mux;
struct ingenic_cgu_div_info div;
struct ingenic_cgu_fixdiv_info fixdiv;
};
struct ingenic_cgu_custom_info custom;
};
};
Currently, such struct is documented as:
**Definition**
::
struct ingenic_cgu_clk_info {
const char * name;
};
**Members**
``name``
name of the clock
With is obvioulsy wrong. It also generates an error:
drivers/clk/ingenic/cgu.h:169: warning: No description found for parameter 'enum'
However, there's nothing wrong with this kernel-doc markup: everything
is documented there.
It makes sense to document all fields there. So, add a
way for the core to parse those structs.
With this patch, all documented fields will properly generate
documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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kernel-doc-nano-HOWTO.txt has a chapter about man pages
production. While we don't have a working "make manpages"
target, add it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Add documentation about typedefs for function prototypes and
move it to happen earlier.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There is a mess on this chapter: it suggests that even
enums and unions should be documented with "struct". That's
not the way it should be ;-)
Fix it and move it to happen earlier.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Move its contents to happen earlier and improve the description
of return values, adding a subsection to it. Most of the contents
there came from kernel-doc-nano-HOWTO.txt.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The private members section can now be moved to be together
with the arguments section. Move it there and add an example
about the usage of public:
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Add a new section to describe kernel-doc arguments,
adding examples about how identation should happen, as failing
to do that causes Sphinx to do the wrong thing.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Signed-off-by: Tom Saeger <tom.saeger@oracle.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Now that the PDF building issues with Sphinx 1.6 got fixed,
update the documentation and scripts accordingly.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Now that we have a script to check for Sphinx dependencies,
document it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Instead of having it on just one note, add a separate section.
This way, we could later improve it, providing a better
guide about the needed steps for PDF builds.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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As we now have a document describing the install
requirements for Sphinx, add there the need for GraphViz
and ImageMagick.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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There's no "Sphinx C Domain" reference at the Kernel
documentation. So, don't use references for it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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As the Sphinx build seems very fragile, specially for
PDF output, add a notice about how to use it on a virtual
environment.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The toolchain used by Sphinx is somewhat complex, and installing
it should be part of the doc-guide.
Move it out of changes.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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changeset b97f193abf83 ("scripts/kernel-doc: fix parser
for apostrophes") added support for ``literal`` inside
kernel-doc, in order to allow using the "%" symbol inside
a literal block, as this is used at printk() description.
Document it.
Fixes: b97f193abf83 ("scripts/kernel-doc: fix parser for apostrophes")
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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DocBook is mentioned several times at the documentation. Update
the obsolete references from it at the DocBook.
Acked-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that we don't have any DocBook anymore, remove it from
the building system.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch brings scalable figure, image handling and a concept to
embed *render* markups:
* DOT (http://www.graphviz.org)
* SVG
For image handling use the 'image' replacement::
.. kernel-image:: svg_image.svg
:alt: simple SVG image
For figure handling use the 'figure' replacement::
.. kernel-figure:: svg_image.svg
:alt: simple SVG image
SVG image example
Embed *render* markups (or languages) like Graphviz's **DOT** is
provided by the *render* directive.::
.. kernel-render:: DOT
:alt: foobar digraph
:caption: Embedded **DOT** (Graphviz) code.
digraph foo {
"bar" -> "baz";
}
The *render* directive is a concept to integrate *render* markups and
languages, yet supported markups:
* DOT: render embedded Graphviz's **DOT**
* SVG: render embedded Scalable Vector Graphics (**SVG**)
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> (v2 - v5)
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de> (v1, v6)
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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We're still pretty far away from anything like a consensus, but
there's clearly a lot of people who prefer an as-light as possible
approach to converting existing .txt files to .rst. Make sure this is
properly taken into account and clear.
Motivated by discussions with Peter and Christoph and others.
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Keeping both rst and in-file documentation in sync can be harsh.
So, simplify the script's internal documntation to a bare minimum,
and add a mention to the ReST file with its full documentation.
This way, a quick help is still available at the command line,
while the complete one is maintained at the ReST format.
As we won't be using pad2rst anymore, do a cleanup at the ReST
file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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The pod2rst tool generated a man page for parse-headers.pl
script, but it is better to put it into some context.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Provide a man page for parse-headers.pl, describing
how to use it.
The documentation on ReST format was generated via pod2rst:
http://search.cpan.org/~dowens/Pod-POM-View-Restructured-0.02/bin/pod2rst
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Having the kernel-documentation at the topmost level doesn't
allow generating a separate PDF file for it. Also, makes harder
to add extra contents. So, place it on a sub-dir.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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