Hi Ben,

> Add another nand write. variant, trimffs. This command will request of
> nand_write_skip_bad() that all trailing all-0xff pages will be
> dropped from eraseblocks when they are written to flash as-per the
> reccommended behaviour of the UBI FAQ [1].
>
> The function that implements this timming is the drop_ffs() function
> by Artem Bityutskiy, ported from the mtd-utils tree.
>
> [1] http://www.linux-mtd.infradead.org/doc/ubi.html#L_flasher_algo
>
> Signed-off-by: Ben Gardiner <bengardi...@nanometrics.ca>
> CC: Artem Bityutskiy <dedeki...@gmail.com>
> CC: Detlev Zundel <d...@denx.de>
>
> ---
>
> Detlev,
> I did not do any erased-state checks since the implicit assumption
> in other nand commands is that the user is required to do their
> own erasing beforehand.

Yes, I have come to the same conclusion.

I have another request though - please add the new command to
doc/README.nand.  Thanks!

Cheers
  Detlev

-- 
Modern technique has made it possible for leisure, within limits, to be not
the prerogative of small privileged classes, but a right evenly distributed
throughout the community.  The morality of  work is the morality of slaves,
and the modern world has no need of slavery.            -- Bertrand Russell
--
DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich,  Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-40 Fax: (+49)-8142-66989-80 Email: d...@denx.de
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to