[U-Boot] [PATCH] CONFIG_BOOTDELAY default should not affect runtime

[Wolfgang Denk]

Dear Otavio Salvador,

In message <CAP9ODKqs5Fsw+NVQzNvm6+4VVK6jfC1vD6eZQfumdKvxzCqsjQ at mail.gmail.com> you wrote:
> 
> > Careful!! This is probably changing behaviour of a number of boards
> > significantly.
> >
> > we have to check if we really want this, and if yes, we have to
> > announce it and provide a grace period (eventually using
> > doc/feature-removal-schedule.txt ?)
> 
> It seems the CONFIG_BOOTDELAY as < 0 is not very common:

You do not know all the many out-of-tree ports...

[OK, we don't care much about these, true...]

> ~/hacking/u-boot% git grep CONFIG_BOOTDELAY | egrep 'BOOTDELAY\s* \-[0-9]'
> include/configs/RPXsuper.h:#define CONFIG_BOOTDELAY        -1
> include/configs/ep8260.h:#define CONFIG_BOOTDELAY        -1
> include/configs/espt.h:#define CONFIG_BOOTDELAY        -1
> include/configs/scb9328.h:#define CONFIG_BOOTDELAY   -1
> include/configs/sh7763rdp.h:#define CONFIG_BOOTDELAY        -1
> 
> So maybe those could have CONFIG_BOOTDELAY undefined keeping them
> working as before?

Yes, they could.  But it is a change of a long-standing behaviour, and
we try to avoid breaking existing boards.  At minimum this needs to be
announced, the respective board maintainers need to be modified, and
given sufficient time to react.

Best regards,

Wolfgang Denk

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
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