[U-Boot] [PATCH 3/6] autoboot: remove CONFIG_ZERO_BOOTDELAY_CHECK
Vladimir Zapolskiy
vz at mleia.com
Wed Jun 22 07:30:20 CEST 2016
On 21.06.2016 08:32, 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 at socionext.com>
> ---
> include/configs/devkit3250.h | 1 -
For devikit3250 board
Acked-by: Vladimir Zapolskiy <vz at mleia.com>
> diff --git a/include/configs/devkit3250.h b/include/configs/devkit3250.h
> index 73f53d4..22f4322 100644
> --- a/include/configs/devkit3250.h
> +++ b/include/configs/devkit3250.h
> @@ -178,7 +178,6 @@
> */
> #define CONFIG_CMDLINE_TAG
> #define CONFIG_SETUP_MEMORY_TAGS
> -#define CONFIG_ZERO_BOOTDELAY_CHECK
>
> #define CONFIG_BOOTFILE "uImage"
> #define CONFIG_BOOTARGS "console=ttyS0,115200n8"
--
Best wishes,
Vladimir
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