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Documentation/sphinx: allow "functions" with no parameters

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When kernel-doc:: specified in .rst document without explicit directives,
it outputs both comment and DOC: sections. If a DOC: section was explicitly
included in the same document it will be duplicated. For example, the
output generated for Documentation/core-api/idr.rst [1] has "IDA
description" in the "IDA usage" section and in the middle of the API
reference.

This patch enables using "functions" directive without parameters to output
all the documentation excluding DOC: sections.

[1] https://www.kernel.org/doc/html/v4.17/core-api/idr.html

Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mike Rapoport 2018-06-30 00:05:10 +03:00 committed by Jonathan Corbet
parent dad0513954
commit f2e8603604
2 changed files with 14 additions and 5 deletions
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9
Documentation/doc-guide/kernel-doc.rst
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@ -488,14 +488,19 @@ doc: *title*
.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
:doc: High Definition Audio over HDMI and Display Port
functions: *function* *[...]*
functions: *[ function ...]*
Include documentation for each *function* in *source*.
If no *function* if specified, the documentaion for all functions
and types in the *source* will be included.
Example::
Examples::
.. kernel-doc:: lib/bitmap.c
:functions: bitmap_parselist bitmap_parselist_user
.. kernel-doc:: lib/idr.c
:functions:
Without options, the kernel-doc directive includes all documentation comments
from the source file.

10
Documentation/sphinx/kerneldoc.py
View File

@ -47,7 +47,7 @@ class KernelDocDirective(Directive):
optional_arguments = 4
option_spec = {
'doc': directives.unchanged_required,
'functions': directives.unchanged_required,
'functions': directives.unchanged,
'export': directives.unchanged,
'internal': directives.unchanged,
}
@ -75,8 +75,12 @@ class KernelDocDirective(Directive):
elif 'doc' in self.options:
cmd += ['-function', str(self.options.get('doc'))]
elif 'functions' in self.options:
for f in str(self.options.get('functions')).split():
cmd += ['-function', f]
functions = self.options.get('functions').split()
if functions:
for f in functions:
cmd += ['-function', f]
else:
cmd += ['-no-doc-sections']
for pattern in export_file_patterns:
for f in glob.glob(env.config.kerneldoc_srctree + '/' + pattern):