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-rw-r--r--drivers/iommu/Makefile1
-rw-r--r--drivers/iommu/intel_irq_remapping.c1
-rw-r--r--drivers/iommu/io-pgtable.h1
-rw-r--r--drivers/iommu/iommu-traces.c1
-rw-r--r--drivers/iommu/s390-iommu.c1
5 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile
index b910aea813a1..1fb695854809 100644
--- a/drivers/iommu/Makefile
+++ b/drivers/iommu/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_IOMMU_API) += iommu.o
obj-$(CONFIG_IOMMU_API) += iommu-traces.o
obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index a5b89f6bcdbf..25842b566c39 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#define pr_fmt(fmt) "DMAR-IR: " fmt
diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h
index a3e667077b14..cd2e1eafffe6 100644
--- a/drivers/iommu/io-pgtable.h
+++ b/drivers/iommu/io-pgtable.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __IO_PGTABLE_H
#define __IO_PGTABLE_H
#include <linux/bitops.h>
diff --git a/drivers/iommu/iommu-traces.c b/drivers/iommu/iommu-traces.c
index bf3b317ff0c1..1e9ca7789de1 100644
--- a/drivers/iommu/iommu-traces.c
+++ b/drivers/iommu/iommu-traces.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* iommu trace points
*
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c
index 0e2f31f9032b..22d4db302c1c 100644
--- a/drivers/iommu/s390-iommu.c
+++ b/drivers/iommu/s390-iommu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* IOMMU API for s390 PCI devices
*