bootretry enviroment variable

Hi,

paste from the doc/README.autoboot

CONFIG_BOOT_RETRY_TIME
CONFIG_BOOT_RETRY_MIN

bootretry environment variable

These options determine what happens after autoboot is stopped and U-Boot is waiting for commands.

CONFIG_BOOT_RETRY_TIME must be defined to enable the boot retry feature. If the environment variable 'bootretry' is found then its value is used, otherwise the retry timeout is CONFIG_BOOT_RETRY_TIME. CONFIG_BOOT_RETRY_MIN is optional and defaults to CONFIG_BOOT_RETRY_TIME. All times are in seconds.

If the retry timeout is negative, the U-Boot command prompt never times out. Otherwise it is forced to be at least CONFIG_BOOT_RETRY_MIN seconds. If no valid U-Boot command is entered before the specified time the boot delay sequence is restarted. Each command that U-Boot executes restarts the timeout.
end of paste from the doc/README.autoboot

Currently is used function simple_strtoul() for parsing the bootretry enviroment variable. It fails if the bootretry is negative. The attached patch should fix it.

Pavel Bartusek <[email protected]>
Software Engineering

SYSGO Real-Time Solutions AG | Embedded and Real-Time Software
Lise-Meitner-Str.15
89081 Ulm, Germany

Voice: +49-731-9533-1295
FAX:   +49-731-94683-10
www.sysgo.com | www.elinos.com | www.osek.de
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