[PATCH v2] Revert "mtd: rawnand: add support for Toshiba TC58NVG0S3HTA00 NAND flash"

Miquel Raynal miquel.raynal at bootlin.com
Thu Jun 9 06:10:36 PDT 2022


On Tue, 2022-06-07 at 18:59:18 UTC, Christian Lamparter wrote:
> This reverts commit 3380557fc7e28d9bce7607e16d98f123d36da4ca.
> 
> It turned out this "4-byte" ID might have been an honest mistake.
> Regrettably, the chip Andreas has might be a counterfeit or is
> damaged in some other way and shouldn't have ended up in a router.
> 
> Andreas reported his chip is returning just four bytes:
> "98 f1 80 15 00 00 00 00".
> 
> However, according to Kioxia/Toshiba's datasheet, there should
> have been at least another byte that would have contained the
> correct OOB size that Andreas needed.
> 
> Miquel and Andreas are both favoring reverting the patch over
> further, possibly hacky modifications:
> "[Reverting] is the safest option here. Apart from this device, we
> do not know how many devices have these damaged/counterfeit chips.
> If it is just a couple and only on Fritzboxes, as suggested in the
> Github issue the patch could be carried through OpenWrt[...]"
> 
> Thanks to several users on the openwrt forum and github issue,
> who stayed along for the ride:
>  - Peter-vdL for reporting the issue and testing patches.
>  - neg2led and Hannu Nyman who did all the
>    datasheet digging and debugging.
> 
> Cc: Andreas Boehler <dev at aboehler.at>
> Suggested-by: Andreas Boehler <dev at aboehler.at>
> Suggested-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Link: https://github.com/openwrt/openwrt/issues/9962
> Signed-off-by: Christian Lamparter <chunkeey at gmail.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes, thanks.

Miquel



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