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05144ab7b7
Filter out nodes that have one of its ancestors disabled as they aren't
expected to probe.
This removes the following false-positive failures on the
sc7180-trogdor-lazor-limozeen-nots-r5 platform:
/soc@0/geniqup@8c0000/i2c@894000/proximity@28
/soc@0/geniqup@ac0000/spi@a90000/ec@0
/soc@0/remoteproc@62400000/glink-edge/apr
/soc@0/remoteproc@62400000/glink-edge/apr/service@3
/soc@0/remoteproc@62400000/glink-edge/apr/service@4
/soc@0/remoteproc@62400000/glink-edge/apr/service@4/clock-controller
/soc@0/remoteproc@62400000/glink-edge/apr/service@4/dais
/soc@0/remoteproc@62400000/glink-edge/apr/service@7
/soc@0/remoteproc@62400000/glink-edge/apr/service@7/dais
/soc@0/remoteproc@62400000/glink-edge/apr/service@8
/soc@0/remoteproc@62400000/glink-edge/apr/service@8/routing
/soc@0/remoteproc@62400000/glink-edge/fastrpc
/soc@0/remoteproc@62400000/glink-edge/fastrpc/compute-cb@3
/soc@0/remoteproc@62400000/glink-edge/fastrpc/compute-cb@4
/soc@0/remoteproc@62400000/glink-edge/fastrpc/compute-cb@5
/soc@0/spmi@c440000/pmic@0/pon@800/pwrkey
Fixes: 14571ab1ad ("kselftest: Add new test for detecting unprobed Devicetree devices")
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20240729-dt-kselftest-parent-disabled-v2-1-d7a001c4930d@collabora.com
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
93 lines
2.2 KiB
Bash
Executable file
93 lines
2.2 KiB
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Copyright (c) 2023 Collabora Ltd
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#
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# Based on Frank Rowand's dt_stat script.
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#
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# This script tests for devices that were declared on the Devicetree and are
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# expected to bind to a driver, but didn't.
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#
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# To achieve this, two lists are used:
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# * a list of the compatibles that can be matched by a Devicetree node
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# * a list of compatibles that should be ignored
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#
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DIR="$(dirname $(readlink -f "$0"))"
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source "${DIR}"/../kselftest/ktap_helpers.sh
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PDT=/proc/device-tree/
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COMPAT_LIST="${DIR}"/compatible_list
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IGNORE_LIST="${DIR}"/compatible_ignore_list
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ktap_print_header
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if [[ ! -d "${PDT}" ]]; then
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ktap_skip_all "${PDT} doesn't exist."
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exit "${KSFT_SKIP}"
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fi
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nodes_compatible=$(
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for node in $(find ${PDT} -type d); do
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[ ! -f "${node}"/compatible ] && continue
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# Check if node is available
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if [[ -e "${node}"/status ]]; then
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status=$(tr -d '\000' < "${node}"/status)
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if [[ "${status}" != "okay" && "${status}" != "ok" ]]; then
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if [ -n "${disabled_nodes_regex}" ]; then
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disabled_nodes_regex="${disabled_nodes_regex}|${node}"
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else
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disabled_nodes_regex="${node}"
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fi
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continue
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fi
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fi
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# Ignore this node if one of its ancestors was disabled
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if [ -n "${disabled_nodes_regex}" ]; then
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echo "${node}" | grep -q -E "${disabled_nodes_regex}" && continue
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fi
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echo "${node}" | sed -e 's|\/proc\/device-tree||'
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done | sort
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)
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nodes_dev_bound=$(
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IFS=$'\n'
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for dev_dir in $(find /sys/devices -type d); do
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[ ! -f "${dev_dir}"/uevent ] && continue
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[ ! -d "${dev_dir}"/driver ] && continue
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grep '^OF_FULLNAME=' "${dev_dir}"/uevent | sed -e 's|OF_FULLNAME=||'
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done
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)
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num_tests=$(echo ${nodes_compatible} | wc -w)
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ktap_set_plan "${num_tests}"
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retval="${KSFT_PASS}"
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for node in ${nodes_compatible}; do
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if ! echo "${nodes_dev_bound}" | grep -E -q "(^| )${node}( |\$)"; then
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compatibles=$(tr '\000' '\n' < "${PDT}"/"${node}"/compatible)
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for compatible in ${compatibles}; do
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if grep -x -q "${compatible}" "${IGNORE_LIST}"; then
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continue
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fi
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if grep -x -q "${compatible}" "${COMPAT_LIST}"; then
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ktap_test_fail "${node}"
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retval="${KSFT_FAIL}"
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continue 2
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fi
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done
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ktap_test_skip "${node}"
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else
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ktap_test_pass "${node}"
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fi
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done
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ktap_print_totals
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exit "${retval}"
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