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-rw-r--r--tools/testing/selftests/gpio/Makefile1
-rwxr-xr-xtools/testing/selftests/gpio/gpio-mockup-sysfs.sh1
-rwxr-xr-xtools/testing/selftests/gpio/gpio-mockup.sh1
3 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 298929df97e6..1bbb47565c55 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
TEST_PROGS := gpio-mockup.sh
TEST_FILES := gpio-mockup-sysfs.sh $(BINARIES)
diff --git a/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh b/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
index 085d7a39899c..dd269d877562 100755
--- a/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
+++ b/tools/testing/selftests/gpio/gpio-mockup-sysfs.sh
@@ -1,4 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
is_consistent()
{
val=
diff --git a/tools/testing/selftests/gpio/gpio-mockup.sh b/tools/testing/selftests/gpio/gpio-mockup.sh
index b183439e058e..183fb932edbd 100755
--- a/tools/testing/selftests/gpio/gpio-mockup.sh
+++ b/tools/testing/selftests/gpio/gpio-mockup.sh
@@ -1,4 +1,5 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
#exit status
#1: run as non-root user