Re: [PATCH v2 0/1] fix OOB size decoding on SK Hynix H27UCG8T2BTR

[Miquel Raynal <miquel.raynal@bootlin.com>]

Hi Martin,

On Sun, 24 Jun 2018 22:53:54 +0200, Martin Blumenstingl
<martin.blumenstingl@googlemail.com> wrote:

> The OOB size of the SK Hynix H27UCG8T2BTR is currently detected to be
> 640 bytes, while the datasheet states that it should be 1280 bytes.
> 
> I only have one single device with a SK Hynix NAND flash, so I cannot
> say whether this fix may or may not break other chips. other datasheets
> I have checked:
> - H27UBG8T2B uses a page size of 8KiB -> not applicable
> - H27UBG8T2A also uses a page size of 8KiB -> not applicable either
> 
> so I would appreciate if someone else could confirm (even if it's
> "just" by looking at a datasheet) that this patch should work for other
> SK Hynix NAND chips with 16KiB page size.
> 
> I decided not to add a "Fixes" tag because it seems H27UCG8T2BTR was
> not supported properly at any point in the past (upstream at least).
> 
> 
> changes since v1 at [0]:
> - don't apply the fix for all Hynix chips with 16KiB page size as
>   suggested by Miquel Raynal
> - added an inline comment what the new logic is supposed to do
> - I asked Hynix for feedback on my initial patch, unfortunately it
>   seems that they cannot disclose any information from the datasheets
>   publicly
> 
> 
> [0] https://patchwork.ozlabs.org/cover/916836/
> 
> 
> Martin Blumenstingl (1):
>   mtd: rawnand: hynix: fix decoding the OOB size on H27UCG8T2BTR
> 
>  drivers/mtd/nand/raw/nand_hynix.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 

Applied to nand/next.

Thanks,
Miquèl