From def5c4926b3f691dfbcef39a94f206c0f0f3a92f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Arve=20Hj=C3=B8nnev=C3=A5g?= Date: Fri, 13 Dec 2013 14:24:40 -0800 Subject: [PATCH] gpu: ion: __dma_page_cpu_to_dev -> arm_dma_ops.sync_single_for_device hack MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Arve Hjønnevåg [jstultz: modified patch to apply to staging directory] Signed-off-by: John Stultz Signed-off-by: Greg Kroah-Hartman --- drivers/staging/android/ion/ion_chunk_heap.c | 10 ++++++---- drivers/staging/android/ion/ion_page_pool.c | 6 ++++-- drivers/staging/android/ion/ion_system_heap.c | 5 +++-- 3 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index 4c2f223..410c08e 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -105,8 +105,9 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) for_each_sg(table->sgl, sg, table->nents, i) { if (ion_buffer_cached(buffer)) - __dma_page_cpu_to_dev(sg_page(sg), 0, sg_dma_len(sg), - DMA_BIDIRECTIONAL); + arm_dma_ops.sync_single_for_device(NULL, + pfn_to_dma(NULL, page_to_pfn(sg_page(sg))), + sg_dma_len(sg), DMA_BIDIRECTIONAL); gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)), sg_dma_len(sg)); } @@ -177,8 +178,9 @@ struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *heap_data) } free_vm_area(vm_struct); - __dma_page_cpu_to_dev(phys_to_page(heap_data->base), 0, heap_data->size, - DMA_BIDIRECTIONAL); + arm_dma_ops.sync_single_for_device(NULL, + pfn_to_dma(NULL, page_to_pfn(phys_to_page(heap_data->base))), + heap_data->size, DMA_BIDIRECTIONAL); gen_pool_add(chunk_heap->pool, chunk_heap->base, heap_data->size, -1); chunk_heap->heap.ops = &chunk_heap_ops; chunk_heap->heap.type = ION_HEAP_TYPE_CHUNK; diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c index d624dee..855f30c 100644 --- a/drivers/staging/android/ion/ion_page_pool.c +++ b/drivers/staging/android/ion/ion_page_pool.c @@ -37,8 +37,10 @@ static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool) /* this is only being used to flush the page for dma, this api is not really suitable for calling from a driver but no better way to flush a page for dma exist at this time */ - __dma_page_cpu_to_dev(page, 0, PAGE_SIZE << pool->order, - DMA_BIDIRECTIONAL); + arm_dma_ops.sync_single_for_device(NULL, + pfn_to_dma(NULL, page_to_pfn(page)), + PAGE_SIZE << pool->order, + DMA_BIDIRECTIONAL); return page; } diff --git a/drivers/staging/android/ion/ion_system_heap.c b/drivers/staging/android/ion/ion_system_heap.c index fedbc0d..d4f0a56 100644 --- a/drivers/staging/android/ion/ion_system_heap.c +++ b/drivers/staging/android/ion/ion_system_heap.c @@ -78,8 +78,9 @@ static struct page *alloc_buffer_page(struct ion_system_heap *heap, page = alloc_pages(gfp_flags, order); if (!page) return 0; - __dma_page_cpu_to_dev(page, 0, PAGE_SIZE << order, - DMA_BIDIRECTIONAL); + arm_dma_ops.sync_single_for_device(NULL, + pfn_to_dma(NULL, page_to_pfn(page)), + PAGE_SIZE << order, DMA_BIDIRECTIONAL); } if (!page) return 0; -- 2.7.4