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-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_iommu.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
index 33084cbc8b27..2ffdb27e4ac2 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_iommu.c
@@ -42,7 +42,6 @@ struct etnaviv_iommu_domain {
void *bad_page_cpu;
dma_addr_t bad_page_dma;
struct etnaviv_iommu_domain_pgtable pgtable;
- spinlock_t map_lock;
};
static struct etnaviv_iommu_domain *to_etnaviv_domain(struct iommu_domain *domain)
@@ -81,8 +80,6 @@ static int __etnaviv_iommu_init(struct etnaviv_iommu_domain *etnaviv_domain)
etnaviv_domain->pgtable.pgtable[i] =
etnaviv_domain->bad_page_dma;
- spin_lock_init(&etnaviv_domain->map_lock);
-
return 0;
}
@@ -110,9 +107,7 @@ static int etnaviv_iommuv1_map(struct iommu_domain *domain, unsigned long iova,
if (size != SZ_4K)
return -EINVAL;
- spin_lock(&etnaviv_domain->map_lock);
etnaviv_domain->pgtable.pgtable[index] = paddr;
- spin_unlock(&etnaviv_domain->map_lock);
return 0;
}
@@ -126,9 +121,7 @@ static size_t etnaviv_iommuv1_unmap(struct iommu_domain *domain,
if (size != SZ_4K)
return -EINVAL;
- spin_lock(&etnaviv_domain->map_lock);
etnaviv_domain->pgtable.pgtable[index] = etnaviv_domain->bad_page_dma;
- spin_unlock(&etnaviv_domain->map_lock);
return SZ_4K;
}