iommu/amd: Get rid of device_dma_ops_init()

With device intialization done in the add_device call-back
now there is no reason for this function anymore.

Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 623be17..fadda2c 100644 (file)
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2268,6 +2268,7 @@ static int amd_iommu_add_device(struct device *dev)
        ret = iommu_init_device(dev);
        if (ret == -ENOTSUPP) {
                iommu_ignore_device(dev);
+               dev->archdata.dma_ops = &nommu_dma_ops;
                goto out;
        }
        init_iommu_group(dev);
@@ -2840,36 +2841,6 @@ static struct dma_map_ops amd_iommu_dma_ops = {
        .dma_supported = amd_iommu_dma_supported,
 };
 
-static unsigned device_dma_ops_init(void)
-{
-       struct iommu_dev_data *dev_data;
-       struct pci_dev *pdev = NULL;
-       unsigned unhandled = 0;
-
-       for_each_pci_dev(pdev) {
-               if (!check_device(&pdev->dev)) {
-
-                       iommu_ignore_device(&pdev->dev);
-
-                       unhandled += 1;
-                       continue;
-               }
-
-               dev_data = get_dev_data(&pdev->dev);
-
-               if (!dev_data->passthrough)
-                       pdev->dev.archdata.dma_ops = &amd_iommu_dma_ops;
-               else
-                       pdev->dev.archdata.dma_ops = &nommu_dma_ops;
-       }
-
-       return unhandled;
-}
-
-/*
- * The function which clues the AMD IOMMU driver into dma_ops.
- */
-
 void __init amd_iommu_init_api(void)
 {
        bus_set_iommu(&pci_bus_type, &amd_iommu_ops);
@@ -2877,18 +2848,9 @@ void __init amd_iommu_init_api(void)
 
 int __init amd_iommu_init_dma_ops(void)
 {
-       int unhandled;
-
        iommu_detected = 1;
        swiotlb = 0;
 
-       /* Make the driver finally visible to the drivers */
-       unhandled = device_dma_ops_init();
-       if (unhandled && max_pfn > MAX_DMA32_PFN) {
-               /* There are unhandled devices - initialize swiotlb for them */
-               swiotlb = 1;
-       }
-
        amd_iommu_stats_init();
 
        if (amd_iommu_unmap_flush)