diff options
| -rw-r--r-- | drivers/iommu/iommu.c | 4 | ||||
| -rw-r--r-- | drivers/iommu/tegra-gart.c | 7 | ||||
| -rw-r--r-- | include/linux/iommu.h | 3 |
3 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index c304a6a30d42..3d099a31ddca 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -2443,7 +2443,7 @@ static int _iommu_map(struct iommu_domain *domain, unsigned long iova, ret = __iommu_map(domain, iova, paddr, size, prot, GFP_KERNEL); if (ret == 0 && ops->iotlb_sync_map) - ops->iotlb_sync_map(domain); + ops->iotlb_sync_map(domain, iova, size); return ret; } @@ -2575,7 +2575,7 @@ static size_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova, } if (ops->iotlb_sync_map) - ops->iotlb_sync_map(domain); + ops->iotlb_sync_map(domain, iova, mapped); return mapped; out_err: diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index fac720273889..05e8e19b8269 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -261,7 +261,8 @@ static int gart_iommu_of_xlate(struct device *dev, return 0; } -static void gart_iommu_sync_map(struct iommu_domain *domain) +static void gart_iommu_sync_map(struct iommu_domain *domain, unsigned long iova, + size_t size) { FLUSH_GART_REGS(gart_handle); } @@ -269,7 +270,9 @@ static void gart_iommu_sync_map(struct iommu_domain *domain) static void gart_iommu_sync(struct iommu_domain *domain, struct iommu_iotlb_gather *gather) { - gart_iommu_sync_map(domain); + size_t length = gather->end - gather->start; + + gart_iommu_sync_map(domain, gather->start, length); } static const struct iommu_ops gart_iommu_ops = { diff --git a/include/linux/iommu.h b/include/linux/iommu.h index b3f0e2018c62..9ce0aa9e236b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -246,7 +246,8 @@ struct iommu_ops { size_t (*unmap)(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather); void (*flush_iotlb_all)(struct iommu_domain *domain); - void (*iotlb_sync_map)(struct iommu_domain *domain); + void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova, + size_t size); void (*iotlb_sync)(struct iommu_domain *domain, struct iommu_iotlb_gather *iotlb_gather); phys_addr_t (*iova_to_phys)(struct iommu_domain *domain, dma_addr_t iova); |