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SubjectRe: [PATCH 1/3] TTY: add support for "tty slave" devices.
Hi!

> index 8c4fd0332028..b59501ee2f21 100644
> --- a/Documentation/devicetree/bindings/serial/of-serial.txt
> +++ b/Documentation/devicetree/bindings/serial/of-serial.txt
> @@ -39,6 +39,10 @@ Optional properties:
> driver is allowed to detect support for the capability even without this
> property.
>
> +Optional child node:
> +- a platform device listed as a child node will be probed and
> + powered-on whenever the tty is in use (open).
> +
> Example:
>
> uart@80230000 {

Hmm. Other devices may want it the other way around: probe the device
behind the uart, make it control power and open/close of the uart, and
hide the /dev/ttyXX from userspace...
Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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