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| author | Radu Pirea <radu_nicolae.pirea@upb.ro> | 2019-05-05 20:06:46 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-08 10:45:26 +0200 |
| commit | c3fdefc2d79e38d20e955d2d3ad48261d99c2936 (patch) | |
| tree | 1a8ed609a597a247338c5e9ab60e77af0c09a084 /net/l3mdev | |
| parent | dt-bindings: mfd: atmel-usart: add DMA bindings for USART in SPI mode (diff) | |
| download | linux-c3fdefc2d79e38d20e955d2d3ad48261d99c2936.tar.xz linux-c3fdefc2d79e38d20e955d2d3ad48261d99c2936.zip | |
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 'net/l3mdev')
0 files changed, 0 insertions, 0 deletions