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| author | Christoph Hellwig <hch@lst.de> | 2021-04-01 17:52:40 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-04-07 10:56:51 +0200 |
| commit | c8224508074e7d13fc31e8ca3d24e4f159983cb3 (patch) | |
| tree | 871600b73d0f42e5b149b76101193b647c945f3f /drivers/iommu/fsl_pamu_domain.c | |
| parent | iommu/fsl_pamu: remove support for setting DOMAIN_ATTR_GEOMETRY (diff) | |
| download | linux-c8224508074e7d13fc31e8ca3d24e4f159983cb3.tar.xz linux-c8224508074e7d13fc31e8ca3d24e4f159983cb3.zip | |
iommu/fsl_pamu: merge iommu_alloc_dma_domain into fsl_pamu_domain_alloc
Keep the functionality to allocate the domain together.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Li Yang <leoyang.li@nxp.com>
Link: https://lore.kernel.org/r/20210401155256.298656-5-hch@lst.de
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/fsl_pamu_domain.c')
| -rw-r--r-- | drivers/iommu/fsl_pamu_domain.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index 7bd08ddad077..a4da5597755d 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -292,25 +292,6 @@ static int check_size(u64 size, dma_addr_t iova) return 0; } -static struct fsl_dma_domain *iommu_alloc_dma_domain(void) -{ - struct fsl_dma_domain *domain; - - domain = kmem_cache_zalloc(fsl_pamu_domain_cache, GFP_KERNEL); - if (!domain) - return NULL; - - domain->stash_id = ~(u32)0; - domain->snoop_id = ~(u32)0; - domain->win_cnt = pamu_get_max_subwin_cnt(); - - INIT_LIST_HEAD(&domain->devices); - - spin_lock_init(&domain->domain_lock); - - return domain; -} - static void remove_device_ref(struct device_domain_info *info, u32 win_cnt) { unsigned long flags; @@ -412,12 +393,17 @@ static struct iommu_domain *fsl_pamu_domain_alloc(unsigned type) if (type != IOMMU_DOMAIN_UNMANAGED) return NULL; - dma_domain = iommu_alloc_dma_domain(); - if (!dma_domain) { - pr_debug("dma_domain allocation failed\n"); + dma_domain = kmem_cache_zalloc(fsl_pamu_domain_cache, GFP_KERNEL); + if (!dma_domain) return NULL; - } - /* defaul geometry 64 GB i.e. maximum system address */ + + dma_domain->stash_id = ~(u32)0; + dma_domain->snoop_id = ~(u32)0; + dma_domain->win_cnt = pamu_get_max_subwin_cnt(); + INIT_LIST_HEAD(&dma_domain->devices); + spin_lock_init(&dma_domain->domain_lock); + + /* default geometry 64 GB i.e. maximum system address */ dma_domain->iommu_domain. geometry.aperture_start = 0; dma_domain->iommu_domain.geometry.aperture_end = (1ULL << 36) - 1; dma_domain->iommu_domain.geometry.force_aperture = true; |