Re: [PATCH] usb: cp210x: Added support for GPIO (CP2103/4/5)

From: Greg KH
Date: Sat May 05 2012 - 10:57:33 EST


On Sat, May 05, 2012 at 12:01:37PM +0100, Alan Cox wrote:
> > Will the new ldisc mess with the tty stuff to prevent "normal" serial
> > data and line settings from being handled properly? If not, that all
> > looks very good to me, thanks for working this out.
>
> It'll have no effect on that. What it will do is provide a way for things
> like ISO7816 ldiscs to use the extra pins (as they can call from the
> ldisc into the gpio layer) and to know the mapping of the extra control
> wires, which varies by device.

Ok, that sounds good to me.
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