Re: [PATCH] Add the ability to layer another driver over the serialdriver

[Corey Minyard]

Alan wrote:
> > This is going to require some more thought.  But I believe it can be
> > done with adding a poll routine to the tty_operations structure 
> >     
>
> What status do you need to poll ?
>   
I need to poll for receive and transmit characters so I can do I/O
during panics (interrupts disabled).

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