[U-Boot] [RFC] FIT: use default configuration, if given configuration is not found

[Yegor Yefremov]

Hi Joe,

On Tue, May 12, 2015 at 10:18 PM, Joe Hershberger
<joe.hershberger at gmail.com> wrote:
> Hi Yegor,
>
> On Tue, May 12, 2015 at 1:43 AM, Yegor Yefremov
> <yegorslists at googlemail.com> wrote:
>> Hi Joe,
>>
>> On Mon, May 4, 2015 at 8:16 PM, Joe Hershberger
>> <joe.hershberger at gmail.com> wrote:
>>> Hi Yegor,
>>>
>>> On Mon, May 4, 2015 at 2:53 AM,  <yegorslists at googlemail.com> wrote:
>>>> From: Yegor Yefremov <yegorslists at googlemail.com>
>>>>
>>>> Signed-off-by: Yegor Yefremov <yegorslists at googlemail.com>
>>>> ---
>>>>  common/image-fit.c |    4 ++++
>>>>  1 files changed, 4 insertions(+), 0 deletions(-)
>>>>
>>>> diff --git a/common/image-fit.c b/common/image-fit.c
>>>> index c61be65..b892d06 100644
>>>> --- a/common/image-fit.c
>>>> +++ b/common/image-fit.c
>>>> @@ -1547,6 +1547,10 @@ int fit_image_load(bootm_headers_t *images, ulong addr,
>>>>                 } else {
>>>>                         cfg_noffset = fit_conf_get_node(fit,
>>>>                                                         fit_uname_config);
>>>> +
>>>> +                       if (cfg_noffset < 0) {
>>>> +                               cfg_noffset = fit_conf_get_node(fit, NULL);
>>>> +                       }
>>>
>>> It seems if you ask for a specific configuration that is not
>>> available, you should get an error.
>>>
>>> You can accomplish similar behavior you are implementing here by using
>>> the shell to try the default if the specified one returns an error.
>>
>> Thanks. It is working:
>>
>> bootm ${loadaddr}#conf${board_name}; if test $? -ne 0; then echo
>> "Using default FIT configuration"; bootm ${loadaddr}; fi;
>
> Great!
>
>> Now I have another question, how can I split long line in uEnv.txt? Is
>> it possible at all?
>
> I assume you are loading it and eventually calling env import on the memory?
>
> Have you tried passing the -t switch to the env import command?
>
> Or are you talking about a single variable value that is a long line?

Yes, I'm talking about a single variable with very long value.

Yegor