diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-09-13 16:43:56 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-09-25 12:41:04 +0300 |
| commit | 3529375e7777b0f9b77c53df9a7da122bd165ae7 (patch) | |
| tree | 9e8369075a7cf29c8b3c311fcc7adc3d435baed1 /drivers/iommu/tegra-smmu.c | |
| parent | 4601cd2d7c4c82c4bafc822e1ff630a709eff206 (diff) | |
| download | linux-3529375e7777b0f9b77c53df9a7da122bd165ae7.tar.xz | |
iommu: Convert simple drivers with DOMAIN_DMA to domain_alloc_paging()
These drivers are all trivially converted since the function is only
called if the domain type is going to be
IOMMU_DOMAIN_UNMANAGED/DMA.
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Steven Price <steven.price@arm.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Tested-by: Yong Wu <yong.wu@mediatek.com> #For mtk_iommu.c
Link: https://lore.kernel.org/r/23-v8-81230027b2fa+9d-iommu_all_defdom_jgg@nvidia.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index b91ad1b5a20d..1764a63347b0 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -272,13 +272,10 @@ static void tegra_smmu_free_asid(struct tegra_smmu *smmu, unsigned int id) clear_bit(id, smmu->asids); } -static struct iommu_domain *tegra_smmu_domain_alloc(unsigned type) +static struct iommu_domain *tegra_smmu_domain_alloc_paging(struct device *dev) { struct tegra_smmu_as *as; - if (type != IOMMU_DOMAIN_UNMANAGED && type != IOMMU_DOMAIN_DMA) - return NULL; - as = kzalloc(sizeof(*as), GFP_KERNEL); if (!as) return NULL; @@ -991,7 +988,7 @@ static int tegra_smmu_def_domain_type(struct device *dev) static const struct iommu_ops tegra_smmu_ops = { .identity_domain = &tegra_smmu_identity_domain, .def_domain_type = &tegra_smmu_def_domain_type, - .domain_alloc = tegra_smmu_domain_alloc, + .domain_alloc_paging = tegra_smmu_domain_alloc_paging, .probe_device = tegra_smmu_probe_device, .device_group = tegra_smmu_device_group, .of_xlate = tegra_smmu_of_xlate, |