81 lines
1.9 KiB
Bash
Executable File
81 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Copyright (c) 2023 Collabora Ltd
|
|
#
|
|
# Based on Frank Rowand's dt_stat script.
|
|
#
|
|
# This script tests for devices that were declared on the Devicetree and are
|
|
# expected to bind to a driver, but didn't.
|
|
#
|
|
# To achieve this, two lists are used:
|
|
# * a list of the compatibles that can be matched by a Devicetree node
|
|
# * a list of compatibles that should be ignored
|
|
#
|
|
|
|
DIR="$(dirname $(readlink -f "$0"))"
|
|
|
|
source "${DIR}"/../kselftest/ktap_helpers.sh
|
|
|
|
PDT=/proc/device-tree/
|
|
COMPAT_LIST="${DIR}"/compatible_list
|
|
IGNORE_LIST="${DIR}"/compatible_ignore_list
|
|
|
|
ktap_print_header
|
|
|
|
if [[ ! -d "${PDT}" ]]; then
|
|
ktap_skip_all "${PDT} doesn't exist."
|
|
exit "${KSFT_SKIP}"
|
|
fi
|
|
|
|
nodes_compatible=$(
|
|
for node in $(find ${PDT} -type d); do
|
|
[ ! -f "${node}"/compatible ] && continue
|
|
# Check if node is available
|
|
if [[ -e "${node}"/status ]]; then
|
|
status=$(tr -d '\000' < "${node}"/status)
|
|
[[ "${status}" != "okay" && "${status}" != "ok" ]] && continue
|
|
fi
|
|
echo "${node}" | sed -e 's|\/proc\/device-tree||'
|
|
done | sort
|
|
)
|
|
|
|
nodes_dev_bound=$(
|
|
IFS=$'\n'
|
|
for dev_dir in $(find /sys/devices -type d); do
|
|
[ ! -f "${dev_dir}"/uevent ] && continue
|
|
[ ! -d "${dev_dir}"/driver ] && continue
|
|
|
|
grep '^OF_FULLNAME=' "${dev_dir}"/uevent | sed -e 's|OF_FULLNAME=||'
|
|
done
|
|
)
|
|
|
|
num_tests=$(echo ${nodes_compatible} | wc -w)
|
|
ktap_set_plan "${num_tests}"
|
|
|
|
retval="${KSFT_PASS}"
|
|
for node in ${nodes_compatible}; do
|
|
if ! echo "${nodes_dev_bound}" | grep -E -q "(^| )${node}( |\$)"; then
|
|
compatibles=$(tr '\000' '\n' < "${PDT}"/"${node}"/compatible)
|
|
|
|
for compatible in ${compatibles}; do
|
|
if grep -x -q "${compatible}" "${IGNORE_LIST}"; then
|
|
continue
|
|
fi
|
|
|
|
if grep -x -q "${compatible}" "${COMPAT_LIST}"; then
|
|
ktap_test_fail "${node}"
|
|
retval="${KSFT_FAIL}"
|
|
continue 2
|
|
fi
|
|
done
|
|
ktap_test_skip "${node}"
|
|
else
|
|
ktap_test_pass "${node}"
|
|
fi
|
|
|
|
done
|
|
|
|
ktap_print_totals
|
|
exit "${retval}"
|