[U-Boot-Users] NAND driver updates

[ksi at koi8.net]

On Tue, 15 Jan 2008, Stefan Roese wrote:

I totally agree. All those problems should be addressed first and all the
functionality must be restored before propagating it into the main branch.

> Hi All,
>
> On Saturday 05 January 2008, Stefan Roese wrote:
>> I just updated the master branch of the NAND custodian repository with
> the
>> patches from William Juul:
>>
>>
> http://www.denx.de/cgi-bin/gitweb.cgi?p=u-boot/u-boot-nand-flash.git;a=s
> hor
>> tlog;h=master
>>
>> This patchset brings the U-Boot NAND subsystem in sync again with the
> Linux
>> 2.6.22.1 NAND code. Thanks go to William Juul and his colleagues for
> the
>> hard
>
> As it seems the current status of the new NAND subsystem provided by
> William
> Juul and his colleges, has still some problems. As far as I see it right
> now
> here a list (please let me know if I missed something):
>
> - DOC support broken and removed for now
>  - needs to be ported and tested on HW with DOC
> - 'nand read.jffs2/.i' not implemented at all
> - 'nand write.jffs2/.i' not implemented correctly
>  - Doesn't skip bad blocks
>  - From my quick first look, it doesn't write the OOB correctly
> - Extensive testing on other platforms needed
>
> So with all these flaws, it doesn't make sense from my point of view, to
> pull
> these changes into the official U-Boot repository in this merge window.
> I
> think we should delay this merge for 1 or 2 U-Boot versions, until the
> problems mentioned above are resolved.
>
> Any thoughts/comments on this?
>
> If we agree on this merge delay, then I suggest that I move this mtd
> update
> into a different branch (it's currently in the master branch :-() of the
> u-boot-nand-flash repository and base the master branch on the master
> branch
> of Wolfgang's official repository. This way updates and fixes to the
> "old"
> NAND subsystem can be handled better.
>
> Again, any comments?
>
> Thanks.
>
> Best regards,
> Stefan
>
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