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-rw-r--r--drivers/rtc/rtc-core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-core.h b/drivers/rtc/rtc-core.h
index ecab76a3207c..513b9bedd2c8 100644
--- a/drivers/rtc/rtc-core.h
+++ b/drivers/rtc/rtc-core.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifdef CONFIG_RTC_INTF_DEV
extern void __init rtc_dev_init(void);