diff options
Diffstat (limited to 'tools/testing/selftests/dt')
| -rw-r--r-- | tools/testing/selftests/dt/.gitignore | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/dt/Makefile | 21 | ||||
| -rw-r--r-- | tools/testing/selftests/dt/compatible_ignore_list | 1 | ||||
| -rw-r--r-- | tools/testing/selftests/dt/ktap_helpers.sh | 70 | ||||
| -rwxr-xr-x | tools/testing/selftests/dt/test_unprobed_devices.sh | 84 |
5 files changed, 177 insertions, 0 deletions
diff --git a/tools/testing/selftests/dt/.gitignore b/tools/testing/selftests/dt/.gitignore new file mode 100644 index 0000000000..f6476c9f28 --- /dev/null +++ b/tools/testing/selftests/dt/.gitignore @@ -0,0 +1 @@ +compatible_list diff --git a/tools/testing/selftests/dt/Makefile b/tools/testing/selftests/dt/Makefile new file mode 100644 index 0000000000..62dc00ee49 --- /dev/null +++ b/tools/testing/selftests/dt/Makefile @@ -0,0 +1,21 @@ +PY3 = $(shell which python3 2>/dev/null) + +ifneq ($(PY3),) + +TEST_PROGS := test_unprobed_devices.sh +TEST_GEN_FILES := compatible_list +TEST_FILES := compatible_ignore_list ktap_helpers.sh + +include ../lib.mk + +$(OUTPUT)/compatible_list: + $(top_srcdir)/scripts/dtc/dt-extract-compatibles -d $(top_srcdir) > $@ + +else + +all: no_py3_warning + +no_py3_warning: + @echo "Missing python3. This test will be skipped." + +endif diff --git a/tools/testing/selftests/dt/compatible_ignore_list b/tools/testing/selftests/dt/compatible_ignore_list new file mode 100644 index 0000000000..1323903fec --- /dev/null +++ b/tools/testing/selftests/dt/compatible_ignore_list @@ -0,0 +1 @@ +simple-mfd diff --git a/tools/testing/selftests/dt/ktap_helpers.sh b/tools/testing/selftests/dt/ktap_helpers.sh new file mode 100644 index 0000000000..8dfae51bb4 --- /dev/null +++ b/tools/testing/selftests/dt/ktap_helpers.sh @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2023 Collabora Ltd +# +# Helpers for outputting in KTAP format +# +KTAP_TESTNO=1 +KTAP_CNT_PASS=0 +KTAP_CNT_FAIL=0 +KTAP_CNT_SKIP=0 + +ktap_print_header() { + echo "TAP version 13" +} + +ktap_set_plan() { + num_tests="$1" + + echo "1..$num_tests" +} + +ktap_skip_all() { + echo -n "1..0 # SKIP " + echo $@ +} + +__ktap_test() { + result="$1" + description="$2" + directive="$3" # optional + + local directive_str= + [[ ! -z "$directive" ]] && directive_str="# $directive" + + echo $result $KTAP_TESTNO $description $directive_str + + KTAP_TESTNO=$((KTAP_TESTNO+1)) +} + +ktap_test_pass() { + description="$1" + + result="ok" + __ktap_test "$result" "$description" + + KTAP_CNT_PASS=$((KTAP_CNT_PASS+1)) +} + +ktap_test_skip() { + description="$1" + + result="ok" + directive="SKIP" + __ktap_test "$result" "$description" "$directive" + + KTAP_CNT_SKIP=$((KTAP_CNT_SKIP+1)) +} + +ktap_test_fail() { + description="$1" + + result="not ok" + __ktap_test "$result" "$description" + + KTAP_CNT_FAIL=$((KTAP_CNT_FAIL+1)) +} + +ktap_print_totals() { + echo "# Totals: pass:$KTAP_CNT_PASS fail:$KTAP_CNT_FAIL xfail:0 xpass:0 skip:$KTAP_CNT_SKIP error:0" +} diff --git a/tools/testing/selftests/dt/test_unprobed_devices.sh b/tools/testing/selftests/dt/test_unprobed_devices.sh new file mode 100755 index 0000000000..7fae90293a --- /dev/null +++ b/tools/testing/selftests/dt/test_unprobed_devices.sh @@ -0,0 +1,84 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Copyright (c) 2023 Collabora Ltd +# +# Based on Frank Rowand's dt_stat script. +# +# This script tests for devices that were declared on the Devicetree and are +# expected to bind to a driver, but didn't. +# +# To achieve this, two lists are used: +# * a list of the compatibles that can be matched by a Devicetree node +# * a list of compatibles that should be ignored +# + +DIR="$(dirname $(readlink -f "$0"))" + +source "${DIR}"/ktap_helpers.sh + +PDT=/proc/device-tree/ +COMPAT_LIST="${DIR}"/compatible_list +IGNORE_LIST="${DIR}"/compatible_ignore_list + +KSFT_PASS=0 +KSFT_FAIL=1 +KSFT_SKIP=4 + +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}" |