Revert "x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature"

[mirror_ubuntu-artful-kernel.git] / include / linux / iommu.h

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 2cb54adc4a334aa3f3a1732c35eaf9749d64b9e8..176f7569d87408c1e57bf09846809bfef5b0b7c8 100644 (file)
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -240,7 +240,7 @@ struct iommu_device {
        struct list_head list;
        const struct iommu_ops *ops;
        struct fwnode_handle *fwnode;
-       struct device dev;
+       struct device *dev;
 };
 
 int  iommu_device_register(struct iommu_device *iommu);
@@ -265,6 +265,11 @@ static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
        iommu->fwnode = fwnode;
 }
 
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+       return (struct iommu_device *)dev_get_drvdata(dev);
+}
+
 #define IOMMU_GROUP_NOTIFY_ADD_DEVICE          1 /* Device added */
 #define IOMMU_GROUP_NOTIFY_DEL_DEVICE          2 /* Pre Device removed */
 #define IOMMU_GROUP_NOTIFY_BIND_DRIVER         3 /* Pre Driver bind */
@@ -589,6 +594,11 @@ static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
 {
 }
 
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+       return NULL;
+}
+
 static inline void iommu_device_unregister(struct iommu_device *iommu)
 {
 }