[PATCH 12/12] iommu/vt-d: remove prepare identity map during boot

[Lu Baolu]

---
 drivers/iommu/intel-iommu.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index aa33f65b32cc..e7a94bb927c4 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2839,18 +2839,10 @@ static int __init dev_prepare_static_identity_mapping(struct device *dev, int hw
 
 static int __init iommu_prepare_static_identity_mapping(int hw)
 {
-	struct pci_dev *pdev = NULL;
 	struct dmar_drhd_unit *drhd;
 	struct intel_iommu *iommu;
 	struct device *dev;
-	int i;
-	int ret = 0;
-
-	for_each_pci_dev(pdev) {
-		ret = dev_prepare_static_identity_mapping(&pdev->dev, hw);
-		if (ret)
-			return ret;
-	}
+	int i, ret = 0;
 
 	for_each_active_iommu(iommu, drhd)
 		for_each_active_dev_scope(drhd->devices, drhd->devices_cnt, i, dev) {
-- 
2.17.1


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