[U-Boot] dfu: dfu and UBI Volumes

[Heiko Schocher]

Hello,

just digging in DFU support in U-Boot for an upcoming board support
based on an AM335x. This board support uses for example a rootfs in
an UBI Volume on a NAND flash, and this should be updated with dfu ...

How To do this? Current state on this board is to erase the rootfs
mtd partition with a nand erase and write the new image using
dfu_nand.c ... which calls in the end nand_write ... which is ...
lets say ... not the prefered way on an UBI volume ...

How to solve this? Any ideas?

bye,
Heiko
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