[U-Boot] [PATCH v2 1/4] ns16550: Add function to drain serial output

[Mike Frysinger]

On Friday 09 March 2012 15:32:55 Simon Glass wrote:
> Sometimes we want to be sure that the output FIFO has fully drained (e.g.
> because we are about to reset or the port or reset the board).

imo, we shouldn't be draining fifos before a reset in hardware that doesn't 
matter -- it's just a waste of time.  if it were a CONFIG knob for people, i 
wouldn't complain too much, but i still wouldn't see the point ... you'd lose 
like maybe 2 or 3 chars at the end of a msg ?  not that big of a deal.
-mike
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