Re: [PATCH] AT91 Serial: update the powersave handler to matchserial core

[Alan Cox]

> Maybe the tty layer ensures that the buffer is empty before
> suspending...would be interesting to know. In any case, any such bug

It doesn't - but calling tty_wait_until_sent(tty, some_timeout) will do
that for you providing you call it in a sleep capable context.

Alan
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