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

[Wolfgang Denk]

Dear Otavio Salvador,

In message <CAP9ODKr3xaU_Vg7YgjYOsntD03YvLaygRdSZC-Y4jQgDi+D7sw at mail.gmail.com> you wrote:
>
> >> 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.
> 
> Yes; I agree but breaking out of tree boards ... well, it is the price
> of not working upstream so I think it cannot be a blocker for U-Boot
> improvements and cleanups.

You also change behaviour (and thus potentially break) at least 5
boards in mainline.  See also [1] about breaking user space in Linux
(which is pretty much equivalent to what would happen here).

[1] http://article.gmane.org/gmane.linux.kernel/1414106

Best regards,

Wolfgang Denk

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