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-rw-r--r--arch/mips/include/asm/io.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 4df9853680..0d228aa0f5 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
/*
* Stolen from the linux-2.6/include/asm-generic/io.h
*/