License cleanup: add SPDX GPL-2.0 license identifier to files with no license

[linux-block.git] / include / acpi / acpi_io.h

diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h
index 303315b9693fc999022b192f91b4681505f3c571..d0633fc1fc156eee7432a34481d64483a54964a6 100644 (file)
--- a/include/acpi/acpi_io.h
+++ b/include/acpi/acpi_io.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _ACPI_IO_H_
 #define _ACPI_IO_H_