[U-Boot] [PATCH 2/2] RFC: Add XON/XOFF support

[Mike Frysinger]

On Monday 24 October 2011 23:52:24 Simon Glass wrote:
> This is just for testing - please try it out and report back with results.
> For me it works on Minicom but not ser2net.
> 
> This needs to be controlled by an environment variable, CONFIG option or
> both. We may need a way of specifying flow control on a per-device basis.
> We may need to do something special for X-modem transfers, etc. This might
> turn out to be a can of worms.

we have CONFIG_HWFLOW already, so CONFIG_SWFLOW would probably be the natural 
choice.  and then have the funcs be named swflow_xxx (although the hwflow code 
does it via one and uses its arg to figure out what to do).
-mike
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