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| author |  Robin Murphy <robin.murphy@arm.com>
| 2022-08-15 17:20:16 +0100 |
|---|---|---|
| committer |  Joerg Roedel <jroedel@suse.de>
| 2022-09-07 14:26:16 +0200 |
| commit | 19d3607c74bc0332f0ee3a2d54ead6e792c0dce9 (patch) | |
| tree | f4b438dffc52793e74774879aa5832559fac9697 /drivers/iommu/virtio-iommu.c | |
| parent | iommu/tegra-smmu: Clean up bus_set_iommu() (diff) | |
| download | linux-19d3607c74bc0332f0ee3a2d54ead6e792c0dce9.tar.gz linux-19d3607c74bc0332f0ee3a2d54ead6e792c0dce9.tar.bz2 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>
Diffstat (limited to 'drivers/iommu/virtio-iommu.c')
| -rw-r--r-- | drivers/iommu/virtio-iommu.c | 25 |
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); |