[RFC] dfu: remove UPDATE_TFTP

[Heinrich Schuchardt]

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On 15.07.20 13:24, Lukasz Majewski wrote:
> Hi Heinrich,
>
>> Using UPDATE_TFTP the firmware can be updated from tFTP by
>> writing to NOR flash. The same is possible by defining a dfu
>> command in CONFIG_PREBOOT.
>>
>> The dfu command cannot only write to NOR but also to other
>> devices. In README.dfutfp UPDATE_TFTP has been marked as
>> deprecated.
>
> Could you also write in the proper README the steps necessary to
> have the same functionality as with UPDATE_TFTP with dfu and
> preboot? I think that it would be good to have it written down in
> ./doc.
>

doc/README.dfutftp already describes the necessary steps as:

* enable CONFIG_DFU_TFTP
* enable CONFIG_PREBOOT
* put a string like "dfu tftp 0 mmc 0" into the "preboot" env variable

Do you want me to explicitly write that "dfu tftp 0 mtd 0" replaces
the former auto-update functionality?

Best regards

Heinrich


>> It is not used by any board.
>>
>> Remove tFTP update via CONFIG_UPDATE_TFTP.
>>
>> Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de> ---
>> Currently Gitlab CI lacks a test for dfu tftp. I will try to set
>> one up. When it is properly tested I will send a final patch
>> series. But beforehand I would like to know if eliminating
>> UPDATE_TFTP is ok.
>>
>> Best regards
>>
>> Heinrich
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