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authorJoerg Roedel <jroedel@suse.de>2015-05-28 18:41:43 +0200
committerJoerg Roedel <jroedel@suse.de>2015-06-11 09:42:23 +0200
commit343e9cac9c4a2715e8fa6b89b04e31e9fcbae5e3 (patch)
treed37a9ccae7e9fb6218c47cad880b1ba7502c936c /drivers/iommu
parentiommu/amd: Put IOMMUv2 devices in a direct mapped domain (diff)
downloadlinux-343e9cac9c4a2715e8fa6b89b04e31e9fcbae5e3.tar.xz
linux-343e9cac9c4a2715e8fa6b89b04e31e9fcbae5e3.zip
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>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c40
1 files changed, 1 insertions, 39 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 623be17e28d7..fadda2c0cd18 100644
--- 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)