[PATCH v2 0/5] mtd: rawnand: sunxi: Fix user data length for H6

[Andre Przywara]

Hi Michael,

On 4/27/26 14:31, Michael Nazzareno Trimarchi wrote:
> Hi Andre
> 
> On Mon, Apr 27, 2026 at 2:28 PM Andre Przywara <andre.przywara at arm.com 
> <mailto:andre.przywara at arm.com>> wrote:
> 
>     Dario, Michael,
> 
>     are you going to take those patches eventually, or are they supposed to
>     go through the sunxi tree? Somehow patchwork put this on my plate, but
>     MAINTAINERS says it's yours.
> 
>     I will have a final look at those patches, but I think they are fine
>     since their counterparts passed the kernel reviews ;-)
> 
> 
> Company projects are stressing me out. I will check today with Dario

Sorry to hear that! I can easily take care of this series, if you are 
fine with that. It would touch only those sunxi specific files anyway.

Cheers,
Andre

> Michael
> 
>     Cheers,
>     Andre
> 
>     On 3/27/26 15:05, Richard Genoud wrote:
>      > This series introduces the correct usage of user data length for
>      > H6/H616.
>      > If the older SoCs must use a fixed value of 4 user data bytes for
>     each
>      > ECC step, the H6 can have a different value for each step.
>      >
>      > In the first round, the behavior was kept as the one used by A10.
>      > But we have multiple choices:
>      > - do like A10 like before (and not use all OOB)
>      > - do like the vendor kernel (different from A10, but not using
>     all OOB)
>      > - use the whole OOB for user data bytes
>      >
>      > In this second round, the third approach is implemented.
>      >
>      > All patches but the 4th are code cleaning.
>      > The 4th patch enables using a variable user data length for H6/H616
>      > along with maximizing it.
>      >
>      > A similar series has been accepted for Linux:
>      > https://lore.kernel.org/lkml/20260317142437.580204-1-
>     richard.genoud at bootlin.com/ <https://lore.kernel.org/
>     lkml/20260317142437.580204-1-richard.genoud at bootlin.com/>
>      >
>      > Changes from v1:
>      > - gather reviewed-by
>      > - clean sunxi_nand_chip_init()
>      > - use all possible remaining OOB space for user data bytes
>      >
>      > Richard Genoud (5):
>      >    mtd: rawnand: sunxi: Replace hard coded value by a define
>      >    mtd: rawnand: sunxi: make the code mode self-explanatory
>      >    mtd: rawnand: sunxi: clean sunxi_nand_chip_init()
>      >    mtd: rawnand: sunxi: introduce variable user data length
>      >    mtd: nand: raw: sunxi_spl: remove user data length reset
>      >
>      >   drivers/mtd/nand/raw/sunxi_nand.c     | 292 ++++++++++++++++++
>     +-------
>      >   drivers/mtd/nand/raw/sunxi_nand.h     |   3 +
>      >   drivers/mtd/nand/raw/sunxi_nand_spl.c | 129 +++++++++---
>      >   3 files changed, 324 insertions(+), 100 deletions(-)
>      >
>      >
>      > base-commit: ba7bf918dafcd093ad733b07ba490baeb20cf5da
> 
> 
> 
> -- 
> Michael Nazzareno Trimarchi
> Co-Founder & Chief Executive Officer
> M. +39 347 913 2170
> michael at amarulasolutions.com <mailto:michael at amarulasolutions.com>
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