[U-Boot] [PATCH 3/6] autoboot: remove CONFIG_ZERO_BOOTDELAY_CHECK

[Stefan Roese <sr@denx.de>]

Hi Masahiro,

On 21.06.2016 07:32, Masahiro Yamada wrote:
> As the help message of CONFIG_BOOTDELAY says, CONFIG_BOOTDELAY=-2
> means the autoboot with no delay, with no abort check even if
> CONFIG_ZERO_BOOTDELAY_CHECK is defined.
>
> To sum up, the autoboot behaves as follows:
>
>   [1] CONFIG_BOOTDELAY=0 && CONFIG_ZERO_BOOTDELAY_CHECK=y
>      autoboot with no delay, but you can abort it by key input
>
>   [2] CONFIG_BOOTDELAY=0 && CONFIG_ZERO_BOOTDELAY_CHECK=n
>      autoboot with no delay, with no check for abort
>
>   [3] CONFIG_BOOTDELAY=-1
>      disable autoboot
>
>   [4] CONFIG_BOOTDELAY=-2
>      autoboot with no delay, with no check for abort
>
> As you notice, [2] and [4] come to the same result, which means we
> do not need CONFIG_ZERO_BOOTDELAY_CHECK.  We can control all the
> cases only by CONFIG_BOOTDELAY, like this:
>
>   [1] CONFIG_BOOTDELAY=0
>      autoboot with no delay, but you can abort it by key input
>
>   [2] CONFIG_BOOTDELAY=-1
>      disable autoboot
>
>   [3] CONFIG_BOOTDELAY=-2
>      autoboot with no delay, with no check for abort
>
> This commit converts the logic as follow:
>    CONFIG_BOOTDELAY=0 && CONFIG_ZERO_BOOTDELAY_CHECK=n
>      --> CONFIG_BOOTDELAY=-2
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

Looks good, thanks for working on this cleanup.

Reviewed-by: Stefan Roese <sr@denx.de>

Thanks,
Stefan