linux-kernel - Re: Dropped characters in serial connection without flow control

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Date:	Wed, 28 Oct 2009 19:19:46 +0100
From:	Peter Stuge <peter@...ge.se>
To:	Greg KH <greg@...ah.com>
Cc:	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: Dropped characters in serial connection without flow control

Greg KH wrote:
> > There is no(!) support for flow control in the hardware.
> > 
> > Is there anything I can do
> 
> What's wrong with XON/XOFF?

That was my thought also. I asked about flow control, both hardware
and software, and got word from the firmware developer that the
device firmware can not be changed to support hardware flow control.
I didn't get a comment on XON/XOFF and have already asked again.
Meanwhile I wanted to also check here.

> And since when is adding a UART to a hardware chip expensive these
> days?

I agree. I'm trying to work toward a more advanced hardware solution.

//Peter
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