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From: Michal Simek <michal.simek@xilinx.com>
To: u-boot@lists.denx.de
Subject: [PATCH] env: Remove all dependencies for SYS_REDUNDAND_ENVIRONMENT
Date: Wed, 13 Jan 2021 15:24:24 +0100	[thread overview]
Message-ID: <e8e2727c-16ec-e26c-c380-4718a0f9ca92@xilinx.com> (raw)
In-Reply-To: <20210113140233.GG19813@bill-the-cat>



On 13. 01. 21 15:02, Tom Rini wrote:
> On Wed, Jan 13, 2021 at 01:26:27PM +0100, Michal Simek wrote:
> 
>> CONFIG_SYS_REDUNDAND_ENVIRONMENT is changing in env_internal.h how u-boot
>> works with variables. struct environment_s has one byte flags property
>> which also affects ENV_SIZE macro.
>>
>> I have reached the case where CONFIG_ENV_IS_NOWHERE is default setup
>> but custom scripts can be designed in a way that u-boot is asked to
>> import/export variables from/to file which can be in certain format.
>> That's why also for this configuration make sense to enable
>> CONFIG_SYS_REDUNDAND_ENVIRONMENT because it depends on environment file
>> format.
>>
>> The patch is removing dependency on this configuration to support selecting
>> environment file format without any specific dependency where variables are
>> stored.
> 
> Are you importing a binary of the environment in, which was generated
> with redundant env set, is what the problem is?
> 

Yes exactly.

Thanks,
Michal

  reply	other threads:[~2021-01-13 14:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13 12:26 [PATCH] env: Remove all dependencies for SYS_REDUNDAND_ENVIRONMENT Michal Simek
2021-01-13 14:02 ` Tom Rini
2021-01-13 14:24   ` Michal Simek [this message]
2021-01-13 14:43     ` Tom Rini
2021-01-13 14:50       ` Michal Simek
2021-01-14 19:42         ` Tom Rini

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