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由 Stephan Olbrich 提交于
The tx empty irq can be disabled when all data was copied. This prevents unnecessary interrupts while the last bytes are sent. Signed-off-by: NStephan Olbrich <stephanolbrich@gmx.de> Reviewed-by: NEric Anholt <eric@anholt.net> Signed-off-by: NMark Brown <broonie@kernel.org>
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