> > | > > > 2. The new pl2303's set_termios() can (still) sleep. Serial Core's
> > | > > > documentation says that that method must not sleep, but I couldn't find
> > | > > > where in the Serial Core code it's called in atomic context. So, is this
> > | > > > still true? Isn't the Serial Core's documentation out of date?
For the tty layer at least this was fixed to be semaphore locked and I
think this is now a docs error. It was fixed precisely because the USB
people couldn't resolve termios setup without sleeping.
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