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-rw-r--r--drivers/iommu/amd_iommu_init.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 500e7f15f5c2..0a2ea317120a 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1131,9 +1131,6 @@ static int __init amd_iommu_init_pci(void)
break;
}
- /* Make sure ACS will be enabled */
- pci_request_acs();
-
ret = amd_iommu_init_devices();
print_iommu_info();
@@ -1652,6 +1649,9 @@ static bool detect_ivrs(void)
early_acpi_os_unmap_memory((char __iomem *)ivrs_base, ivrs_size);
+ /* Make sure ACS will be enabled during PCI probe */
+ pci_request_acs();
+
return true;
}