diff options
| -rw-r--r-- | drivers/iommu/dmar.c | 3 | ||||
| -rw-r--r-- | include/linux/intel-iommu.h | 2 |
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 095022923258..54f27dd9f156 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1087,6 +1087,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) raw_spin_lock_init(&iommu->register_lock); drhd->iommu = iommu; + iommu->drhd = drhd; if (intel_iommu_enabled && !drhd->ignored) iommu->iommu_dev = iommu_device_create(NULL, iommu, @@ -1104,7 +1105,7 @@ error: static void free_iommu(struct intel_iommu *iommu) { - if (intel_iommu_enabled && iommu->iommu_dev) + if (intel_iommu_enabled && !iommu->drhd->ignored) iommu_device_destroy(iommu->iommu_dev); if (iommu->irq) { diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index d86ac620f0aa..188bd1768971 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -447,6 +447,8 @@ struct intel_iommu { struct device *iommu_dev; /* IOMMU-sysfs device */ int node; u32 flags; /* Software defined flags */ + + struct dmar_drhd_unit *drhd; }; static inline void __iommu_flush_cache( |