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-rw-r--r--dma/nwl_engine_buffers.h14
1 files changed, 0 insertions, 14 deletions
diff --git a/dma/nwl_engine_buffers.h b/dma/nwl_engine_buffers.h
index 517e690..8f31bb6 100644
--- a/dma/nwl_engine_buffers.h
+++ b/dma/nwl_engine_buffers.h
@@ -2,17 +2,6 @@
#define NWL_RING_SET(data, offset, val) *(uint32_t*)(((char*)(data)) + (offset)) = (val)
#define NWL_RING_UPDATE(data, offset, mask, val) *(uint32_t*)(((char*)(data)) + (offset)) = ((*(uint32_t*)(((char*)(data)) + (offset)))&(mask))|(val)
-int dma_nwl_sync_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_description_t *info, pcilib_kmem_handle_t *kmem) {
- switch (info->desc.direction) {
- case PCILIB_DMA_FROM_DEVICE:
- return pcilib_sync_kernel_memory(ctx->pcilib, kmem, PCILIB_KMEM_SYNC_FROMDEVICE);
- case PCILIB_DMA_TO_DEVICE:
- return pcilib_sync_kernel_memory(ctx->pcilib, kmem, PCILIB_KMEM_SYNC_TODEVICE);
- }
-
- return 0;
-}
-
static int dma_nwl_compute_read_s2c_pointers(nwl_dma_t *ctx, pcilib_nwl_engine_description_t *info, unsigned char *ring, uint32_t ring_pa) {
size_t pos;
uint32_t val;
@@ -109,9 +98,6 @@ static int dma_nwl_allocate_engine_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_des
pcilib_kmem_handle_t *ring = pcilib_alloc_kernel_memory(ctx->pcilib, PCILIB_KMEM_TYPE_CONSISTENT, 1, PCILIB_NWL_DMA_PAGES * PCILIB_NWL_DMA_DESCRIPTOR_SIZE, PCILIB_NWL_ALIGNMENT, PCILIB_KMEM_USE(PCILIB_KMEM_USE_DMA_RING, sub_use), flags);
pcilib_kmem_handle_t *pages = pcilib_alloc_kernel_memory(ctx->pcilib, type, PCILIB_NWL_DMA_PAGES, 0, 0, PCILIB_KMEM_USE(PCILIB_KMEM_USE_DMA_PAGES, sub_use), flags);
-// if ((ring)&&(pages)) err = dma_nwl_sync_buffers(ctx, info, pages);
-// else err = PCILIB_ERROR_FAILED;
-
if (err) {
if (pages) pcilib_free_kernel_memory(ctx->pcilib, pages, 0);
if (ring) pcilib_free_kernel_memory(ctx->pcilib, ring, 0);