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doc: fix doc/develop/logging.rst

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Sphinx 3 builds fail due to doc/develop/logging.rst producing duplicate
labels.

Include logging.h only once in the API section and use cross-references for
the enums log_level_t and log_category_t.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2021-01-25 21:06:57 +01:00
parent c7d2b2ccd3
commit a6aaeb2a91
3 changed files with 10 additions and 10 deletions
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1
doc/api/index.rst
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@ -10,6 +10,7 @@ U-Boot API documentation
efi
getopt
linker_lists
logging
pinctrl
rng
sandbox

6
doc/api/logging.rst Normal file
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@ -0,0 +1,6 @@
.. SPDX-License-Identifier: GPL-2.0+
Logging API
===========
.. kernel-doc:: include/log.h

13
doc/develop/logging.rst
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@ -26,8 +26,7 @@ Logging levels
There are a number logging levels available.
.. kernel-doc:: include/log.h
:identifiers: log_level_t
See enum :c:type:`log_level_t`
Logging category
----------------
@ -36,8 +35,7 @@ Logging can come from a wide variety of places within U-Boot. Each log message
has a category which is intended to allow messages to be filtered according to
their source.
.. kernel-doc:: include/log.h
:identifiers: log_category_t
See enum :c:type:`log_category_t`
Enabling logging
----------------
@ -67,7 +65,7 @@ to enable building in of all logging statements in a single file. Put it at
the top of the file, before any #includes.
To actually get U-Boot to output this you need to also set the default logging
level - e.g. set CONFIG_LOG_DEFAULT_LEVEL to 7 (:c:type:`LOGL_DEBUG`) or more.
level - e.g. set CONFIG_LOG_DEFAULT_LEVEL to 7 (:c:data:`LOGL_DEBUG`) or more.
Otherwise debug output is suppressed and will not be generated.
Using DEBUG
@ -290,8 +288,3 @@ number dropped due to them being generated before the log system was ready.
Add a printf() format string pragma so that log statements are checked properly
Add a command to delete existing log records.
Logging API
-----------
.. kernel-doc:: include/log.h
:internal: