ppcboot, ebony , change baudrate function has bug.

[caixupeng]

when you set a new baudrate,

=> setenv  baudrate 38400
## Switch baudrate to 38400 bps and press ENTER ...


it will hang .

I find a way  to avoid it.
first, clear the baudrate with "setenv baudrate=xxxx"----it's wrong ,

but it can clear it.

and then "setenv baudrate 38400"
"saveenv"
reset and change the hyperterminal baudrate, it's run , and ok.

because it doesn't invoke the baudrate changing function.

                    edmoon

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