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| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-09-13 10:43:56 -0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2023-09-25 11:41:04 +0200 |
| commit | 3529375e7777b0f9b77c53df9a7da122bd165ae7 (patch) | |
| tree | 9e8369075a7cf29c8b3c311fcc7adc3d435baed1 /drivers/iommu/sprd-iommu.c | |
| parent | 4601cd2d7c4c82c4bafc822e1ff630a709eff206 (diff) | |
| download | lwn-3529375e7777b0f9b77c53df9a7da122bd165ae7.tar.gz lwn-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/sprd-iommu.c')
| -rw-r--r-- | drivers/iommu/sprd-iommu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/iommu/sprd-iommu.c b/drivers/iommu/sprd-iommu.c index 2fa9afebd4f5..0642f0a3a32a 100644 --- a/drivers/iommu/sprd-iommu.c +++ b/drivers/iommu/sprd-iommu.c @@ -134,13 +134,10 @@ sprd_iommu_pgt_size(struct iommu_domain *domain) SPRD_IOMMU_PAGE_SHIFT) * sizeof(u32); } -static struct iommu_domain *sprd_iommu_domain_alloc(unsigned int domain_type) +static struct iommu_domain *sprd_iommu_domain_alloc_paging(struct device *dev) { struct sprd_iommu_domain *dom; - if (domain_type != IOMMU_DOMAIN_DMA && domain_type != IOMMU_DOMAIN_UNMANAGED) - return NULL; - dom = kzalloc(sizeof(*dom), GFP_KERNEL); if (!dom) return NULL; @@ -421,7 +418,7 @@ static int sprd_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) static const struct iommu_ops sprd_iommu_ops = { - .domain_alloc = sprd_iommu_domain_alloc, + .domain_alloc_paging = sprd_iommu_domain_alloc_paging, .probe_device = sprd_iommu_probe_device, .device_group = sprd_iommu_device_group, .of_xlate = sprd_iommu_of_xlate, |