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| author | Dmitry Osipenko <digetx@gmail.com> | 2020-01-12 19:09:19 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-14 14:07:50 +0100 |
| commit | 5c116fdf561f0e0e549f10c97c3ddb843b3334a0 (patch) | |
| tree | ce559109a0f80031a703ddc5ab16ffcac04042c3 /.cocciconfig | |
| parent | tty: serial: tegra: Activate RX DMA transfer by request (diff) | |
| download | linux-5c116fdf561f0e0e549f10c97c3ddb843b3334a0.tar.xz linux-5c116fdf561f0e0e549f10c97c3ddb843b3334a0.zip | |
tty: serial: tegra: Optimize DMA buffer synchronization
Synchronize only the dirty part of DMA buffer in order to avoid
unnecessary overhead of syncing of the clean part, which is the case
of every serial DMA transfer in practice.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20200112180919.5194-3-digetx@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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0 files changed, 0 insertions, 0 deletions