diff options
| author | Laura Abbott <labbott@redhat.com> | 2017-04-03 11:57:50 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-08 12:36:11 +0200 |
| commit | 5dc3bafb4217e021a38fe67445dac5b659909c36 (patch) | |
| tree | afe549c579762c8626a2ea445fa5a20a85c9262f /drivers/staging/android/ion/ion_chunk_heap.c | |
| parent | 0499a61425384acbfb96e30aaa9fe82d3a9f3f51 (diff) | |
staging: android: ion: Remove crufty cache support
Now that we call dma_map in the dma_buf API callbacks there is no need
to use the existing cache APIs. Remove the sync ioctl and the existing
bad dma_sync calls. Explicit caching can be handled with the dma_buf
sync API.
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/android/ion/ion_chunk_heap.c')
| -rw-r--r-- | drivers/staging/android/ion/ion_chunk_heap.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/staging/android/ion/ion_chunk_heap.c b/drivers/staging/android/ion/ion_chunk_heap.c index 8c418896d433..46e13f604e22 100644 --- a/drivers/staging/android/ion/ion_chunk_heap.c +++ b/drivers/staging/android/ion/ion_chunk_heap.c @@ -101,10 +101,6 @@ static void ion_chunk_heap_free(struct ion_buffer *buffer) ion_heap_buffer_zero(buffer); - if (ion_buffer_cached(buffer)) - dma_sync_sg_for_device(NULL, table->sgl, table->nents, - DMA_BIDIRECTIONAL); - for_each_sg(table->sgl, sg, table->nents, i) { gen_pool_free(chunk_heap->pool, page_to_phys(sg_page(sg)), sg->length); @@ -132,8 +128,6 @@ struct ion_heap *ion_chunk_heap_create(struct ion_platform_heap *heap_data) page = pfn_to_page(PFN_DOWN(heap_data->base)); size = heap_data->size; - ion_pages_sync_for_device(NULL, page, size, DMA_BIDIRECTIONAL); - ret = ion_heap_pages_zero(page, size, pgprot_writecombine(PAGE_KERNEL)); if (ret) return ERR_PTR(ret); |