amd-iommu: drop pointless iommu-loop in msi setup code

It is not necessary to loop again over all IOMMUs in this code. So drop
the loop.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 74f4f1fea93066d8baa318a743a6e8c4a932958f..cc99f6092230d2e13334542e860e16bbedb14305 100644 (file)
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -826,13 +826,6 @@ out_free:
 static int __init iommu_setup_msi(struct amd_iommu *iommu)
 {
        int r;
-       struct amd_iommu *curr;
-
-       for_each_iommu(curr) {
-               if (curr->dev == iommu->dev)
-                       curr->int_enabled = true;
-       }
-
 
        if (pci_enable_msi(iommu->dev))
                return 1;
@@ -847,6 +840,7 @@ static int __init iommu_setup_msi(struct amd_iommu *iommu)
                return 1;
        }
 
+       iommu->int_enabled = true;
        iommu_feature_enable(iommu, CONTROL_EVT_INT_EN);
 
        return 0;