[RFC] dfu: remove UPDATE_TFTP

[Lukasz Majewski]

Hi Heinrich,

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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?

No, this is fine. Thanks.

> 
> 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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Best regards,

Lukasz Majewski

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