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| author | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-10-23 02:43:20 +0200 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@dside.dyndns.org> | 2011-10-23 02:43:20 +0200 |
| commit | 8af9de82916ff76129d01ede66fc4406818c525c (patch) | |
| tree | 3327adb667efa9426b630ba841a16a598c0f9e0c /dma/nwl_engine.c | |
| parent | 24f29cbd62e9b2f30aba8f2357084baf6b70fa17 (diff) | |
| download | pcitool-8af9de82916ff76129d01ede66fc4406818c525c.tar.gz pcitool-8af9de82916ff76129d01ede66fc4406818c525c.tar.bz2 pcitool-8af9de82916ff76129d01ede66fc4406818c525c.tar.xz pcitool-8af9de82916ff76129d01ede66fc4406818c525c.zip | |
Properly perform synchronization of DMA buffers
Diffstat (limited to 'dma/nwl_engine.c')
| -rw-r--r-- | dma/nwl_engine.c | 4 |
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; |