diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_types.h | 4 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 4 | ||||
| -rw-r--r-- | drivers/iommu/iommu-sysfs.c | 32 |
3 files changed, 26 insertions, 14 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 294a409e283b..d6b873b57054 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -574,7 +574,9 @@ struct amd_iommu { static inline struct amd_iommu *dev_to_amd_iommu(struct device *dev) { - return container_of(dev, struct amd_iommu, iommu.dev); + struct iommu_device *iommu = dev_to_iommu_device(dev); + + return container_of(iommu, struct amd_iommu, iommu); } #define ACPIHID_UID_LEN 256 diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 687f18f65cea..3e8636f1220e 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4736,7 +4736,9 @@ static void intel_disable_iommus(void) static inline struct intel_iommu *dev_to_intel_iommu(struct device *dev) { - return container_of(dev, struct intel_iommu, iommu.dev); + struct iommu_device *iommu_dev = dev_to_iommu_device(dev); + + return container_of(iommu_dev, struct intel_iommu, iommu); } static ssize_t intel_iommu_show_version(struct device *dev, diff --git a/drivers/iommu/iommu-sysfs.c b/drivers/iommu/iommu-sysfs.c index c58351ed61c1..36d1a7ce7fc4 100644 --- a/drivers/iommu/iommu-sysfs.c +++ b/drivers/iommu/iommu-sysfs.c @@ -62,32 +62,40 @@ int iommu_device_sysfs_add(struct iommu_device *iommu, va_list vargs; int ret; - device_initialize(&iommu->dev); + iommu->dev = kzalloc(sizeof(*iommu->dev), GFP_KERNEL); + if (!iommu->dev) + return -ENOMEM; - iommu->dev.class = &iommu_class; - iommu->dev.parent = parent; - iommu->dev.groups = groups; + device_initialize(iommu->dev); + + iommu->dev->class = &iommu_class; + iommu->dev->parent = parent; + iommu->dev->groups = groups; va_start(vargs, fmt); - ret = kobject_set_name_vargs(&iommu->dev.kobj, fmt, vargs); + ret = kobject_set_name_vargs(&iommu->dev->kobj, fmt, vargs); va_end(vargs); if (ret) goto error; - ret = device_add(&iommu->dev); + ret = device_add(iommu->dev); if (ret) goto error; + dev_set_drvdata(iommu->dev, iommu); + return 0; error: - put_device(&iommu->dev); + put_device(iommu->dev); return ret; } void iommu_device_sysfs_remove(struct iommu_device *iommu) { - device_unregister(&iommu->dev); + dev_set_drvdata(iommu->dev, NULL); + device_unregister(iommu->dev); + iommu->dev = NULL; } /* * IOMMU drivers can indicate a device is managed by a given IOMMU using @@ -102,14 +110,14 @@ int iommu_device_link(struct iommu_device *iommu, struct device *link) if (!iommu || IS_ERR(iommu)) return -ENODEV; - ret = sysfs_add_link_to_group(&iommu->dev.kobj, "devices", + ret = sysfs_add_link_to_group(&iommu->dev->kobj, "devices", &link->kobj, dev_name(link)); if (ret) return ret; - ret = sysfs_create_link_nowarn(&link->kobj, &iommu->dev.kobj, "iommu"); + ret = sysfs_create_link_nowarn(&link->kobj, &iommu->dev->kobj, "iommu"); if (ret) - sysfs_remove_link_from_group(&iommu->dev.kobj, "devices", + sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link)); return ret; @@ -121,5 +129,5 @@ void iommu_device_unlink(struct iommu_device *iommu, struct device *link) return; sysfs_remove_link(&link->kobj, "iommu"); - sysfs_remove_link_from_group(&iommu->dev.kobj, "devices", dev_name(link)); + sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link)); } |