diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/iommu/virtio-iommu.c | 41 |
1 files changed, 10 insertions, 31 deletions
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c index 80151176ba12..8b1b5c270e50 100644 --- a/drivers/iommu/virtio-iommu.c +++ b/drivers/iommu/virtio-iommu.c @@ -7,9 +7,7 @@ #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> #include <linux/freezer.h> #include <linux/interval_tree.h> @@ -17,7 +15,6 @@ #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> @@ -25,6 +22,8 @@ #include <uapi/linux/virtio_iommu.h> +#include "dma-iommu.h" + #define MSI_IOVA_BASE 0x8000000 #define MSI_IOVA_LENGTH 0x100000 @@ -491,11 +490,13 @@ static int viommu_add_resv_mem(struct viommu_endpoint *vdev, fallthrough; case VIRTIO_IOMMU_RESV_MEM_T_RESERVED: region = iommu_alloc_resv_region(start, size, 0, - IOMMU_RESV_RESERVED); + IOMMU_RESV_RESERVED, + GFP_KERNEL); break; case VIRTIO_IOMMU_RESV_MEM_T_MSI: region = iommu_alloc_resv_region(start, size, prot, - IOMMU_RESV_MSI); + IOMMU_RESV_MSI, + GFP_KERNEL); break; } if (!region) @@ -910,7 +911,8 @@ static void viommu_get_resv_regions(struct device *dev, struct list_head *head) */ if (!msi) { msi = iommu_alloc_resv_region(MSI_IOVA_BASE, MSI_IOVA_LENGTH, - prot, IOMMU_RESV_SW_MSI); + prot, IOMMU_RESV_SW_MSI, + GFP_KERNEL); if (!msi) return; @@ -925,7 +927,7 @@ static struct virtio_driver virtio_iommu_drv; static int viommu_match_node(struct device *dev, const void *data) { - return dev->parent->fwnode == data; + return device_match_fwnode(dev->parent, data); } static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode) @@ -1006,7 +1008,7 @@ static int viommu_of_xlate(struct device *dev, struct of_phandle_args *args) return iommu_fwspec_add_ids(dev, args->args, 1); } -static bool viommu_capable(enum iommu_cap cap) +static bool viommu_capable(struct device *dev, enum iommu_cap cap) { switch (cap) { case IOMMU_CAP_CACHE_COHERENCY: @@ -1156,26 +1158,6 @@ 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", @@ -1184,9 +1166,6 @@ 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); |