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path: root/drivers/iommu/intel-iommu.c
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Diffstat (limited to 'drivers/iommu/intel-iommu.c')
-rw-r--r--drivers/iommu/intel-iommu.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 5619f264862d..a27d6cb1a793 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3865,8 +3865,7 @@ static int device_notifier(struct notifier_block *nb,
if (iommu_dummy(dev))
return 0;
- if (action != BUS_NOTIFY_UNBOUND_DRIVER &&
- action != BUS_NOTIFY_DEL_DEVICE)
+ if (action != BUS_NOTIFY_REMOVED_DEVICE)
return 0;
/*
@@ -4415,17 +4414,14 @@ static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
return phys;
}
-static int intel_iommu_domain_has_cap(struct iommu_domain *domain,
- unsigned long cap)
+static bool intel_iommu_capable(enum iommu_cap cap)
{
- struct dmar_domain *dmar_domain = domain->priv;
-
if (cap == IOMMU_CAP_CACHE_COHERENCY)
- return dmar_domain->iommu_snooping;
+ return domain_update_iommu_snooping(NULL) == 1;
if (cap == IOMMU_CAP_INTR_REMAP)
- return irq_remapping_enabled;
+ return irq_remapping_enabled == 1;
- return 0;
+ return false;
}
static int intel_iommu_add_device(struct device *dev)
@@ -4464,6 +4460,7 @@ static void intel_iommu_remove_device(struct device *dev)
}
static const struct iommu_ops intel_iommu_ops = {
+ .capable = intel_iommu_capable,
.domain_init = intel_iommu_domain_init,
.domain_destroy = intel_iommu_domain_destroy,
.attach_dev = intel_iommu_attach_device,
@@ -4471,7 +4468,6 @@ static const struct iommu_ops intel_iommu_ops = {
.map = intel_iommu_map,
.unmap = intel_iommu_unmap,
.iova_to_phys = intel_iommu_iova_to_phys,
- .domain_has_cap = intel_iommu_domain_has_cap,
.add_device = intel_iommu_add_device,
.remove_device = intel_iommu_remove_device,
.pgsize_bitmap = INTEL_IOMMU_PGSIZES,