On Tuesday 15 January 2008, Stefan Roese wrote:
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.
I just updated the NAND custodian git repository. It got completely reset because I had to restructure the master branch to not include the new MTD infrastructure for now. So I suggest, anybody using the u-boot-nand-flash custodian repository should clone this repository from scratch.
Here is the new repository layout:
master branch: Changed, additions and bug fixes to the current "stable" nand subsystem
mtd-2.6.22.1 branch: Merge of the Linux 2.6.22.1 MTD subsystem with additional changes and YAFFS2 support
But please keep on testing the new mtd branch and please also send fixes for the still missing/broken issues, so that we can merge it into mainline in the not too far future.
Thanks.
Best regards, Stefan
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