diff options
| author | Radu Pirea <radu_nicolae.pirea@upb.ro> | 2019-05-05 21:06:46 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-08 17:45:26 +0900 |
| commit | c3fdefc2d79e38d20e955d2d3ad48261d99c2936 (patch) | |
| tree | 1a8ed609a597a247338c5e9ab60e77af0c09a084 /tools/perf/scripts/python | |
| parent | f7b99e5948e6be8b850eecbb2de1986d26a76b36 (diff) | |
spi: at91-usart: add DMA support
This patch adds support for DMA. Transfers are done with dma only if
they are longer than 16 bytes in order to achieve a better performance.
DMA setup introduces a little overhead and for transfers shorter than 16
bytes there is no performance improvement.
Signed-off-by: Radu Pirea <radu_nicolae.pirea@upb.ro>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions