diff options
| author | Franky Lin <[email protected]> | 2013-06-26 14:20:18 +0200 |
|---|---|---|
| committer | John W. Linville <[email protected]> | 2013-06-27 13:42:18 -0400 |
| commit | 3b81a6809480f3fc7d9d06562704c8df18ecec00 (patch) | |
| tree | 8272324d8c51da6b79ffaf57911ba4d973716f2e /tools/perf/scripts/python/Perf-Trace-Util/lib | |
| parent | 356bae6fb77b9ed74989bab4d919afd598f921a8 (diff) | |
brcmfmac: add broken scatter-gather DMA support
DMA engine of some old SDIO host controllers require block size alignment for
data length of each scatterlist item. This patch introduces an intermediate
buffer list to support this kind of platform. It decreases the throughput
because of an extra memcpy in critical data path. So don't turn this on unless
it's necessary.
Reviewed-by: Pieter-Paul Giesberts <[email protected]>
Reviewed-by: Arend van Spriel <[email protected]>
Signed-off-by: Franky Lin <[email protected]>
Signed-off-by: Arend van Spriel <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib')
0 files changed, 0 insertions, 0 deletions