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| author | Peter Crosthwaite <peter.crosthwaite@xilinx.com> | 2014-01-06 10:16:40 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-01-07 19:18:07 +0000 |
| commit | 294cdac2a02d3172b69c84dec727d6ac6006bb59 (patch) | |
| tree | c4a72fb0a8f23c45ec384e4bae6a7bd168b86d71 /scripts/switch-timer-api | |
| parent | a33f37a1784691556ed6fd3f58badfce22b761ad (diff) | |
| download | qemu-294cdac2a02d3172b69c84dec727d6ac6006bb59.zip qemu-294cdac2a02d3172b69c84dec727d6ac6006bb59.tar.gz qemu-294cdac2a02d3172b69c84dec727d6ac6006bb59.tar.bz2 | |
char/cadence_uart: Implement Tx flow control
If the UART back-end blocks, buffer in the Tx FIFO to try again later.
This stops the IO-thread busy waiting on char back-ends (which causes
all sorts of performance problems).
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 4bea048b3ab38425701d82ccc1ab92545c26b79c.1388626249.git.peter.crosthwaite@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'scripts/switch-timer-api')
0 files changed, 0 insertions, 0 deletions