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iommu/vt-d: Clear the redundant assignment in dmar_enable_qi

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__dmar_enable_qi() will initialize free_head,free_tail and
free_cnt for q_inval. Remove the redundant initialization
in dmar_enable_qi().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yijing Wang 2014-05-20 20:37:49 +08:00 committed by Joerg Roedel
parent 3a74ca0140
commit 435bbb4633
1 changed files with 0 additions and 3 deletions
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3
drivers/iommu/dmar.c
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@ -1339,9 +1339,6 @@ int dmar_enable_qi(struct intel_iommu *iommu)
return -ENOMEM;
}
qi->free_head = qi->free_tail = 0;
qi->free_cnt = QI_LENGTH;
raw_spin_lock_init(&qi->q_lock);
__dmar_enable_qi(iommu);