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| author | Joerg Roedel <jroedel@suse.de> | 2014-08-05 19:34:25 +0400 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-08-26 13:37:52 +0400 |
| commit | cafd2545cfd36ef6fee14f9c36870b81d3c98de5 (patch) | |
| tree | 479f588a3ac2b7686479e7d890d47f080ab4307d /drivers | |
| parent | 397111abaaac259afcc48cd2fbfb78f63f27e797 (diff) | |
| download | linux-cafd2545cfd36ef6fee14f9c36870b81d3c98de5.tar.xz | |
iommu/amd: Remove device binding reference count
This reference count is not used anymore, as all devices in
an alias group are now attached and detached together.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index a5e6b0a2de16..989c1ae03979 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -96,7 +96,6 @@ struct iommu_dev_data { struct list_head alias_list; /* Link alias-groups together */ struct iommu_dev_data *alias_data;/* The alias dev_data */ struct protection_domain *domain; /* Domain the device is bound to */ - atomic_t bind; /* Domain attach reference count */ u16 devid; /* PCI Device ID */ bool iommu_v2; /* Device can make use of IOMMUv2 */ bool passthrough; /* Default for device is pt_domain */ @@ -139,7 +138,6 @@ static struct iommu_dev_data *alloc_dev_data(u16 devid) INIT_LIST_HEAD(&dev_data->alias_list); dev_data->devid = devid; - atomic_set(&dev_data->bind, 0); spin_lock_irqsave(&dev_data_list_lock, flags); list_add_tail(&dev_data->dev_data_list, &dev_data_list); @@ -3179,7 +3177,6 @@ static void cleanup_domain(struct protection_domain *domain) entry = list_first_entry(&domain->dev_list, struct iommu_dev_data, list); __detach_device(entry); - atomic_set(&entry->bind, 0); } write_unlock_irqrestore(&amd_iommu_devtable_lock, flags); |