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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-09-28 02:47:37 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-10-26 17:54:25 +0300 |
| commit | 9c3ef90c4ccbee0a000b0f6b1b28c38773de87c7 (patch) | |
| tree | 50b3aa89d92d2c5a7426c56dc339d727ed347570 /drivers/iommu/apple-dart.c | |
| parent | 17ef8d6876e01165836790d83d908eb21da3f08e (diff) | |
| download | linux-9c3ef90c4ccbee0a000b0f6b1b28c38773de87c7.tar.xz | |
iommu/dart: Convert to domain_alloc_paging()
Since the IDENTITY and BLOCKED behaviors were moved to global statics all
that remains is the paging domain. Rename to
apple_dart_attach_dev_paging() and remove the left over type check.
Reviewed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/7-v2-bff223cf6409+282-dart_paging_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/apple-dart.c')
| -rw-r--r-- | drivers/iommu/apple-dart.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c index a34812e8c9ea..2566cf3111c7 100644 --- a/drivers/iommu/apple-dart.c +++ b/drivers/iommu/apple-dart.c @@ -651,8 +651,8 @@ static int apple_dart_domain_add_streams(struct apple_dart_domain *domain, true); } -static int apple_dart_attach_dev(struct iommu_domain *domain, - struct device *dev) +static int apple_dart_attach_dev_paging(struct iommu_domain *domain, + struct device *dev) { int ret, i; struct apple_dart_stream_map *stream_map; @@ -748,13 +748,10 @@ static void apple_dart_release_device(struct device *dev) kfree(cfg); } -static struct iommu_domain *apple_dart_domain_alloc(unsigned int type) +static struct iommu_domain *apple_dart_domain_alloc_paging(struct device *dev) { struct apple_dart_domain *dart_domain; - if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - dart_domain = kzalloc(sizeof(*dart_domain), GFP_KERNEL); if (!dart_domain) return NULL; @@ -975,7 +972,7 @@ static void apple_dart_get_resv_regions(struct device *dev, static const struct iommu_ops apple_dart_iommu_ops = { .identity_domain = &apple_dart_identity_domain, .blocked_domain = &apple_dart_blocked_domain, - .domain_alloc = apple_dart_domain_alloc, + .domain_alloc_paging = apple_dart_domain_alloc_paging, .probe_device = apple_dart_probe_device, .release_device = apple_dart_release_device, .device_group = apple_dart_device_group, @@ -985,7 +982,7 @@ static const struct iommu_ops apple_dart_iommu_ops = { .pgsize_bitmap = -1UL, /* Restricted during dart probe */ .owner = THIS_MODULE, .default_domain_ops = &(const struct iommu_domain_ops) { - .attach_dev = apple_dart_attach_dev, + .attach_dev = apple_dart_attach_dev_paging, .map_pages = apple_dart_map_pages, .unmap_pages = apple_dart_unmap_pages, .flush_iotlb_all = apple_dart_flush_iotlb_all, |