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-rw-r--r--dma/nwl_engine.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/dma/nwl_engine.c b/dma/nwl_engine.c
index 277ad23..0b5924d 100644
--- a/dma/nwl_engine.c
+++ b/dma/nwl_engine.c
@@ -289,10 +289,12 @@ int dma_nwl_stream_read(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, uin
}
#endif /* NWL_FIX_EOP_FOR_BIG_PACKETS */
- //sync
+ pcilib_sync_kernel_memory(ctx->pcilib, info->pages, PCILIB_KMEM_SYNC_FROMDEVICE);
void *buf = pcilib_kmem_get_block_ua(ctx->pcilib, info->pages, bufnum);
ret = cb(cbattr, eop?PCILIB_DMA_FLAG_EOP:0, bufsize, buf);
+ pcilib_sync_kernel_memory(ctx->pcilib, info->pages, PCILIB_KMEM_SYNC_TODEVICE);
dma_nwl_return_buffer(ctx, info);
+
res += bufsize;