How to trun off udbg0 during bootup?

[景文林]

2010/1/21 SHAN Gavin <Gavin.Shan at alcatel-lucent.com>

>
>
> Hi,
>
>  I `m working on a freescale-MPC8379eRDB like board.And I want to trun off
> kernel message during bootup.
>
>  I tried to  modify "console = XXX" argument in uboot but it did not
> work(It
> works on ARM). Kernel always print:
>
> "console [udbg0] enabled"    or   "console handover: boot [*udbg0*] -> real
> [ttyS1]"
>
> Does anybody know how can I turn off this udbg0?
>
> You may check arch/powerpc/kernel/udbg.c and disable registering the early
> debug console driver. Then you can not see the output before the message
> line like "-> real [ttyS1]"
>
> Good luck,
> Gavin
>
>   I assigned 1 to "static int early_console_initialized". The driver did
not register early debug console.
It`s worked.

Thank you!

Regards
jing wenlin
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