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-rw-r--r--drivers/cpuidle/dt_idle_states.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/cpuidle/dt_idle_states.h b/drivers/cpuidle/dt_idle_states.h
index 4818134bc65b..14ae88cef1de 100644
--- a/drivers/cpuidle/dt_idle_states.h
+++ b/drivers/cpuidle/dt_idle_states.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __DT_IDLE_STATES
#define __DT_IDLE_STATES
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