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authorLuis R. Rodriguez <mcgrof@kernel.org>2017-01-23 08:11:09 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-25 11:52:34 +0100
commiteb67bc3ffd1796e198fc923da2ba15beb7965529 (patch)
treee585f7b28d09cb3e0dd79aed341c5fef6d1f2346 /tools/testing/selftests/firmware
parent823b0221a522bb22dcd278a06fca308a95545471 (diff)
tools: firmware: add fallback cancelation testing
Add a test case for cancelling the sync fallback mechanism. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/firmware')
-rwxr-xr-xtools/testing/selftests/firmware/fw_fallback.sh32
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/testing/selftests/firmware/fw_fallback.sh b/tools/testing/selftests/firmware/fw_fallback.sh
index f694afb7d12d..68e27e5f27a4 100755
--- a/tools/testing/selftests/firmware/fw_fallback.sh
+++ b/tools/testing/selftests/firmware/fw_fallback.sh
@@ -58,6 +58,31 @@ load_fw()
wait
}
+load_fw_cancel()
+{
+ local name="$1"
+ local file="$2"
+
+ # This will block until our load (below) has finished.
+ echo -n "$name" >"$DIR"/trigger_request 2>/dev/null &
+
+ # Give kernel a chance to react.
+ local timeout=10
+ while [ ! -e "$DIR"/"$name"/loading ]; do
+ sleep 0.1
+ timeout=$(( $timeout - 1 ))
+ if [ "$timeout" -eq 0 ]; then
+ echo "$0: firmware interface never appeared" >&2
+ exit 1
+ fi
+ done
+
+ echo -1 >"$DIR"/"$name"/loading
+
+ # Wait for request to finish.
+ wait
+}
+
trap "test_finish" EXIT
# This is an unlikely real-world firmware content. :)
@@ -118,7 +143,14 @@ if ! diff -q "$FW" /dev/test_firmware >/dev/null ; then
exit 1
else
echo "$0: fallback mechanism works"
+fi
+load_fw_cancel "nope-$NAME" "$FW"
+if diff -q "$FW" /dev/test_firmware >/dev/null ; then
+ echo "$0: firmware was expected to be cancelled" >&2
+ exit 1
+else
+ echo "$0: cancelling fallback mechanism works"
fi
exit 0