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authorRobin Murphy <robin.murphy@arm.com>2022-08-15 18:20:16 +0200
committerJoerg Roedel <jroedel@suse.de>2022-09-07 14:26:16 +0200
commit19d3607c74bc0332f0ee3a2d54ead6e792c0dce9 (patch)
treef4b438dffc52793e74774879aa5832559fac9697
parentiommu/tegra-smmu: Clean up bus_set_iommu() (diff)
downloadlinux-19d3607c74bc0332f0ee3a2d54ead6e792c0dce9.tar.xz
linux-19d3607c74bc0332f0ee3a2d54ead6e792c0dce9.zip
iommu/virtio: Clean up bus_set_iommu()
Stop calling bus_set_iommu() since it's now unnecessary, and simplify the probe failure path accordingly. Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/0ff6f9166081724510e6772e43d45b317cab8c58.1660572783.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/virtio-iommu.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 08eeafc9529f..31ab9d622b67 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -7,7 +7,6 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <linux/amba/bus.h>
#include <linux/delay.h>
#include <linux/dma-iommu.h>
#include <linux/dma-map-ops.h>
@@ -17,7 +16,6 @@
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/pci.h>
-#include <linux/platform_device.h>
#include <linux/virtio.h>
#include <linux/virtio_config.h>
#include <linux/virtio_ids.h>
@@ -1145,26 +1143,6 @@ static int viommu_probe(struct virtio_device *vdev)
iommu_device_register(&viommu->iommu, &viommu_ops, parent_dev);
-#ifdef CONFIG_PCI
- if (pci_bus_type.iommu_ops != &viommu_ops) {
- ret = bus_set_iommu(&pci_bus_type, &viommu_ops);
- if (ret)
- goto err_unregister;
- }
-#endif
-#ifdef CONFIG_ARM_AMBA
- if (amba_bustype.iommu_ops != &viommu_ops) {
- ret = bus_set_iommu(&amba_bustype, &viommu_ops);
- if (ret)
- goto err_unregister;
- }
-#endif
- if (platform_bus_type.iommu_ops != &viommu_ops) {
- ret = bus_set_iommu(&platform_bus_type, &viommu_ops);
- if (ret)
- goto err_unregister;
- }
-
vdev->priv = viommu;
dev_info(dev, "input address: %u bits\n",
@@ -1173,9 +1151,6 @@ static int viommu_probe(struct virtio_device *vdev)
return 0;
-err_unregister:
- iommu_device_sysfs_remove(&viommu->iommu);
- iommu_device_unregister(&viommu->iommu);
err_free_vqs:
vdev->config->del_vqs(vdev);