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-rw-r--r--include/acpi/acpi_bus.h2
-rw-r--r--include/linux/device.h1
-rw-r--r--include/linux/device/bus.h5
-rw-r--r--include/linux/dma-map-ops.h1
4 files changed, 3 insertions, 6 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 1216d72c650f..89079787905d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -627,6 +627,8 @@ struct acpi_pci_root {
/* helper */
+struct iommu_ops;
+
bool acpi_dma_supported(const struct acpi_device *adev);
enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev);
int acpi_iommu_fwspec_init(struct device *dev, u32 id,
diff --git a/include/linux/device.h b/include/linux/device.h
index d7a72a8749ea..0314dbbdb534 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -42,7 +42,6 @@ struct class;
struct subsys_private;
struct device_node;
struct fwnode_handle;
-struct iommu_ops;
struct iommu_group;
struct dev_pin_info;
struct dev_iommu;
diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
index ae10c4322754..e25aab08f873 100644
--- a/include/linux/device/bus.h
+++ b/include/linux/device/bus.h
@@ -62,9 +62,6 @@ struct fwnode_handle;
* this bus.
* @pm: Power management operations of this bus, callback the specific
* device driver's pm-ops.
- * @iommu_ops: IOMMU specific operations for this bus, used to attach IOMMU
- * driver implementations to a bus and allow the driver to do
- * bus-specific setup
* @need_parent_lock: When probing or removing a device on this bus, the
* device core should lock the device's parent.
*
@@ -104,8 +101,6 @@ struct bus_type {
const struct dev_pm_ops *pm;
- const struct iommu_ops *iommu_ops;
-
bool need_parent_lock;
};
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index f2fc203fb8a1..a52e508d1869 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -11,6 +11,7 @@
#include <linux/slab.h>
struct cma;
+struct iommu_ops;
/*
* Values for struct dma_map_ops.flags: