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authorSuren A. Chilingaryan <csa@dside.dyndns.org>2011-10-23 03:19:34 +0200
committerSuren A. Chilingaryan <csa@dside.dyndns.org>2011-10-23 03:19:34 +0200
commit95b5fb80dbe71ef58d235c26c9e73849fb07f84c (patch)
tree4d9442e3927e5066926509eedea878a4bb345f53
parent122da21966aa8beb2f1cfb739ae6e76bcdba2d4c (diff)
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Do not sync to device, looks like it is not required
-rw-r--r--dma/nwl_engine.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/dma/nwl_engine.c b/dma/nwl_engine.c
index d90dbef..1fc147f 100644
--- a/dma/nwl_engine.c
+++ b/dma/nwl_engine.c
@@ -292,7 +292,8 @@ int dma_nwl_stream_read(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, uin
pcilib_kmem_sync_block(ctx->pcilib, info->pages, PCILIB_KMEM_SYNC_FROMDEVICE, bufnum);
void *buf = pcilib_kmem_get_block_ua(ctx->pcilib, info->pages, bufnum);
ret = cb(cbattr, eop?PCILIB_DMA_FLAG_EOP:0, bufsize, buf);
- pcilib_kmem_sync_block(ctx->pcilib, info->pages, PCILIB_KMEM_SYNC_TODEVICE, bufnum);
+// DS: Fixme, it looks like we can avoid calling this for the sake of performance
+// pcilib_kmem_sync_block(ctx->pcilib, info->pages, PCILIB_KMEM_SYNC_TODEVICE, bufnum);
dma_nwl_return_buffer(ctx, info);