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path: root/drivers/tty/serial/serial_txx9.c
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Diffstat (limited to 'drivers/tty/serial/serial_txx9.c')
-rw-r--r--drivers/tty/serial/serial_txx9.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c
index f80fead6c5fc..256c61d1c6a6 100644
--- a/drivers/tty/serial/serial_txx9.c
+++ b/drivers/tty/serial/serial_txx9.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Derived from many drivers using generic_serial interface,
* especially serial_tx3912.c by Steven J. Hill and r39xx_serial.c