diff options
Diffstat (limited to 'drivers/iommu/msm_iommu.c')
| -rw-r--r-- | drivers/iommu/msm_iommu.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c index 2cd83295a841..ccfc7ed230ef 100644 --- a/drivers/iommu/msm_iommu.c +++ b/drivers/iommu/msm_iommu.c @@ -168,28 +168,16 @@ fail: return; } -static void __flush_iotlb_sync(void *cookie) -{ - /* - * Nothing is needed here, the barrier to guarantee - * completion of the tlb sync operation is implicitly - * taken care when the iommu client does a writel before - * kick starting the other master. - */ -} - static void __flush_iotlb_walk(unsigned long iova, size_t size, size_t granule, void *cookie) { __flush_iotlb_range(iova, size, granule, false, cookie); - __flush_iotlb_sync(cookie); } static void __flush_iotlb_leaf(unsigned long iova, size_t size, size_t granule, void *cookie) { __flush_iotlb_range(iova, size, granule, true, cookie); - __flush_iotlb_sync(cookie); } static void __flush_iotlb_page(unsigned long iova, size_t granule, void *cookie) @@ -202,7 +190,6 @@ static const struct iommu_flush_ops msm_iommu_flush_ops = { .tlb_flush_walk = __flush_iotlb_walk, .tlb_flush_leaf = __flush_iotlb_leaf, .tlb_add_page = __flush_iotlb_page, - .tlb_sync = __flush_iotlb_sync, }; static int msm_iommu_alloc_ctx(unsigned long *map, int start, int end) @@ -712,6 +699,13 @@ static struct iommu_ops msm_iommu_ops = { .detach_dev = msm_iommu_detach_dev, .map = msm_iommu_map, .unmap = msm_iommu_unmap, + /* + * Nothing is needed here, the barrier to guarantee + * completion of the tlb sync operation is implicitly + * taken care when the iommu client does a writel before + * kick starting the other master. + */ + .iotlb_sync = NULL, .iova_to_phys = msm_iommu_iova_to_phys, .add_device = msm_iommu_add_device, .remove_device = msm_iommu_remove_device, |