[U-Boot] /chosen node not overwritten by bootm

[Stefan Roese <sr@denx.de>]

Hi Jerry,

Again I (and Wolfgang) stumbled about the problem, that the /chosen node is 
not overwritten by the bootm command when it already exists. This is really 
annoying, since we either:

a) Have to remove the chosen node from the dts files (which is not so easy
   if we try to stay in sync with the kernel.org version)

or

b) Have to manually use the U-Boot "fdt" commands to overwrite the chosen node

I can't remember why this current behavior is implemented this way. Jerry, 
can't we just overwrite this node even if it already exists? What would we 
loose by doing this?

Thanks.

Best regards,
Stefan

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