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#
# Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
#
# Configure how the Linux checkpatch script should be invoked in the context of
# the Trusted Firmware source tree.
#
# This is not Linux so don't expect a Linux tree!
--no-tree
# The Linux kernel expects the SPDX license tag in the first line of each file.
# We don't follow this in the Trusted Firmware.
--ignore SPDX_LICENSE_TAG
# This clarifes the lines indications in the report.
#
# E.g.:
# Without this option, we have the following output:
# #333: FILE: drivers/arm/gic/arm_gic.c:160:
# So we have 2 lines indications (333 and 160), which is confusing.
# We only care about the position in the source file.
#
# With this option, it becomes:
# drivers/arm/gic/arm_gic.c:160:
--showfile
# Don't show some messages like the list of ignored types or the suggestion to
# use "--fix" or report changes to the maintainers.
--quiet
#
# Ignore the following message types, as they don't necessarily make sense in
# the context of the Trusted Firmware.
#
# COMPLEX_MACRO generates false positives.
--ignore COMPLEX_MACRO
# Commit messages might contain a Gerrit Change-Id.
--ignore GERRIT_CHANGE_ID
# Do not check the format of commit messages, as Gerrit's merge commits do not
# preserve it.
--ignore GIT_COMMIT_ID
# FILE_PATH_CHANGES reports this kind of message:
# "added, moved or deleted file(s), does MAINTAINERS need updating?"
# We do not use this MAINTAINERS file process in TF.
--ignore FILE_PATH_CHANGES
# AVOID_EXTERNS reports this kind of messages:
# "externs should be avoided in .c files"
# We don't follow this convention in TF.
--ignore AVOID_EXTERNS
# NEW_TYPEDEFS reports this kind of messages:
# "do not add new typedefs"
# We allow adding new typedefs in TF.
--ignore NEW_TYPEDEFS
# Avoid "Does not appear to be a unified-diff format patch" message
--ignore NOT_UNIFIED_DIFF
# VOLATILE reports this kind of messages:
# "Use of volatile is usually wrong: see Documentation/volatile-considered-harmful.txt"
# We allow the usage of the volatile keyword in TF.
--ignore VOLATILE
# BRACES reports this kind of messages:
# braces {} are not necessary for any arm of this statement
--ignore BRACES
# PREFER_KERNEL_TYPES reports this kind of messages (when using --strict):
# "Prefer kernel type 'u32' over 'uint32_t'"
--ignore PREFER_KERNEL_TYPES
# USLEEP_RANGE reports this kind of messages (when using --strict):
# "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt"
--ignore USLEEP_RANGE
# COMPARISON_TO_NULL reports this kind of messages (when using --strict):
# Comparison to NULL could be written ""
--ignore COMPARISON_TO_NULL
# UNNECESSARY_PARENTHESES reports this kind of messages (when using --strict):
# Unnecessary parentheses around ""
--ignore UNNECESSARY_PARENTHESES
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