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kselftest: dt: Ignore nodes that have ancestors disabled

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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>
This commit is contained in:
Nícolas F. R. A. Prado 2024-07-29 16:56:02 -04:00 committed by Rob Herring (Arm)
parent c65d679667
commit 05144ab7b7
1 changed files with 14 additions and 1 deletions
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15
tools/testing/selftests/dt/test_unprobed_devices.sh
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@ -34,8 +34,21 @@ nodes_compatible=$(
# Check if node is available
if [[ -e "${node}"/status ]]; then
status=$(tr -d '\000' < "${node}"/status)
[[ "${status}" != "okay" && "${status}" != "ok" ]] && continue
if [[ "${status}" != "okay" && "${status}" != "ok" ]]; then
if [ -n "${disabled_nodes_regex}" ]; then
disabled_nodes_regex="${disabled_nodes_regex}|${node}"
else
disabled_nodes_regex="${node}"
fi
continue
fi
fi
# Ignore this node if one of its ancestors was disabled
if [ -n "${disabled_nodes_regex}" ]; then
echo "${node}" | grep -q -E "${disabled_nodes_regex}" && continue
fi
echo "${node}" | sed -e 's|\/proc\/device-tree||'
done | sort
)