Analyze coding style of patches individually
[project/bcm63xx/atf.git] / .checkpatch.conf
1 #
2 # Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
3 #
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions are met:
6 #
7 # Redistributions of source code must retain the above copyright notice, this
8 # list of conditions and the following disclaimer.
9 #
10 # Redistributions in binary form must reproduce the above copyright notice,
11 # this list of conditions and the following disclaimer in the documentation
12 # and/or other materials provided with the distribution.
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14 # Neither the name of ARM nor the names of its contributors may be used
15 # to endorse or promote products derived from this software without specific
16 # prior written permission.
17 #
18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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24 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 # POSSIBILITY OF SUCH DAMAGE.
29 #
30
31 #
32 # Configure how the Linux checkpatch script should be invoked in the context of
33 # the Trusted Firmware source tree.
34 #
35
36 # This is not Linux so don't expect a Linux tree!
37 --no-tree
38
39 # This clarifes the lines indications in the report.
40 #
41 # E.g.:
42 # Without this option, we have the following output:
43 # #333: FILE: drivers/arm/gic/arm_gic.c:160:
44 # So we have 2 lines indications (333 and 160), which is confusing.
45 # We only care about the position in the source file.
46 #
47 # With this option, it becomes:
48 # drivers/arm/gic/arm_gic.c:160:
49 --showfile
50
51 # Don't show some messages like the list of ignored types or the suggestion to
52 # use "--fix" or report changes to the maintainers.
53 --quiet
54
55 #
56 # Ignore the following message types, as they don't necessarily make sense in
57 # the context of the Trusted Firmware.
58 #
59
60 # COMPLEX_MACRO generates false positives.
61 --ignore COMPLEX_MACRO
62
63 # Commit messages might contain a Gerrit Change-Id.
64 --ignore GERRIT_CHANGE_ID
65
66 # Do not check the format of commit messages, as Github's merge commits do not
67 # observe it.
68 --ignore GIT_COMMIT_ID
69
70 # FILE_PATH_CHANGES reports this kind of message:
71 # "added, moved or deleted file(s), does MAINTAINERS need updating?"
72 # We do not use this MAINTAINERS file process in TF.
73 --ignore FILE_PATH_CHANGES
74
75 # AVOID_EXTERNS reports this kind of messages:
76 # "externs should be avoided in .c files"
77 # We don't follow this convention in TF.
78 --ignore AVOID_EXTERNS
79
80 # NEW_TYPEDEFS reports this kind of messages:
81 # "do not add new typedefs"
82 # We allow adding new typedefs in TF.
83 --ignore NEW_TYPEDEFS
84
85 # Avoid "Does not appear to be a unified-diff format patch" message
86 --ignore NOT_UNIFIED_DIFF
87
88 # VOLATILE reports this kind of messages:
89 # "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt"
90 # We allow the usage of the volatile keyword in TF.
91 --ignore VOLATILE