Re: question on flow control in usb serial when suspending the system

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On Fri, Feb 06, 2009 at 10:08:37PM +0100, Oliver Neukum wrote:
> Am Friday 06 February 2009 22:01:43 schrieb Alan Cox:
> > On Fri, 6 Feb 2009 21:22:38 +0100
> > Oliver Neukum <oliver@xxxxxxxxxx> wrote:
> > 
> > > Hi,
> > > 
> > > should the usb serial layer attempt to do flow control when the
> > > system is supended?
> > 
> > Given you will drop power to the device in most cases I'm not sure it
> > matters whether it does or not. If you suspend you probably should drop
> > carrier etc as that is how some remote devices understand the other end
> > is no longer with them.
> 
> What about xoff/xon?

I would not expect this to be a requirement.

thanks,

greg k-h
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