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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-09-13 15:43:56 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-09-25 11:41:04 +0200 |
| commit | 3529375e7777b0f9b77c53df9a7da122bd165ae7 (patch) | |
| tree | 9e8369075a7cf29c8b3c311fcc7adc3d435baed1 /drivers/iommu/exynos-iommu.c | |
| parent | iommu: Add ops->domain_alloc_paging() (diff) | |
| download | linux-3529375e7777b0f9b77c53df9a7da122bd165ae7.tar.xz linux-3529375e7777b0f9b77c53df9a7da122bd165ae7.zip | |
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/exynos-iommu.c')
| -rw-r--r-- | drivers/iommu/exynos-iommu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 5e12b85dfe87..d6dead2ed10c 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -887,7 +887,7 @@ static inline void exynos_iommu_set_pte(sysmmu_pte_t *ent, sysmmu_pte_t val) DMA_TO_DEVICE); } -static struct iommu_domain *exynos_iommu_domain_alloc(unsigned type) +static struct iommu_domain *exynos_iommu_domain_alloc_paging(struct device *dev) { struct exynos_iommu_domain *domain; dma_addr_t handle; @@ -896,9 +896,6 @@ static struct iommu_domain *exynos_iommu_domain_alloc(unsigned type) /* Check if correct PTE offsets are initialized */ BUG_ON(PG_ENT_SHIFT < 0 || !dma_dev); - if (type != IOMMU_DOMAIN_DMA && type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - domain = kzalloc(sizeof(*domain), GFP_KERNEL); if (!domain) return NULL; @@ -1472,7 +1469,7 @@ static int exynos_iommu_of_xlate(struct device *dev, static const struct iommu_ops exynos_iommu_ops = { .identity_domain = &exynos_identity_domain, - .domain_alloc = exynos_iommu_domain_alloc, + .domain_alloc_paging = exynos_iommu_domain_alloc_paging, .device_group = generic_device_group, .probe_device = exynos_iommu_probe_device, .release_device = exynos_iommu_release_device, |