[PATCH 2/2] selftests: tpm2: test_smoke: Run only when TPM2 is avaialable.

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Since Linux 5.6 tpm_version_major sysfs file is avaialble which gives
the TPM version.

Using this file the test can be skipped on systems with TPM 1.2.

Signed-off-by: Michal Suchanek <msuchanek@xxxxxxx>
---
 tools/testing/selftests/tpm2/test_smoke.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index 58af963e5b55..e5e3386077d9 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -5,5 +5,7 @@
 ksft_skip=4
 
 [ -e /dev/tpm0 ] || exit $ksft_skip
+read tpm_version < /sys/class/tpm/tpm0/tpm_version_major
+[ "$tpm_version" == 2 ] || exit $ksft_skip
 
 python3 -m unittest -v tpm2_tests.SmokeTest
-- 
2.46.0





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