[PATCH v2 00/10] Backport BRCMNAND changes from Linux

William Zhang william.zhang at broadcom.com
Wed Feb 22 02:28:37 CET 2023

Hi Linus.

On 02/11/2023 07:28 AM, Linus Walleij wrote:
> Hunting down a bug on my system I took to back-porting
> all reasonable changes from the Linux brcmnand driver that
> were not yet in the U-Boot derivative.
> I noticed that a simple diff -ur between brcmnand.c
> between the file in Linux and U-Boot was possible to see
> what differs. Combining this with some git log --oneline
> manual comparison, fuzzing and manual intervention I
> backported a set of relevant patches from Linux that
> compiles and WorksForMe(TM).
> The diff between Linux and U-Boot is much smaller after
> this, the main missing part are subsystem cosmetics
> changes and the EDU DMA mode support.
> This was as much as I could bite off in one go.
> All patches countersigned-off and marked as [backported].
> ChangeLog v1->v2:
> - Drop the patch to use the new OOB data layout helpers
>    "mtd: nand: brcm: switch to mtd_ooblayout_ops"
> - Drop all patches depending on the previous patch, in
>    total 4 patches.
> Claire Lin (1):
>    mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page
>      bitfips
> Kamal Dasu (3):
>    mtd: rawnand: brcmnand: Refactored code to introduce helper functions
>    mtd: rawnand: brcmnand: Add support for v7.3 controller
>    mtd: nand: brcmnand: Add support for flash-dma v0
> Álvaro Fernández Rojas (6):
>    mtd: rawnand: brcmnand: correctly verify erased pages
>    mtd: rawnand: brcmnand: rename v4 registers
>    mtd: rawnand: brcmnand: fix CS0 layout
>    mtd: rawnand: brcmnand: rename page sizes
>    mtd: rawnand: brcmnand: support v2.1-v2.2 controllers
>    mtd: rawnand: brcmnand: fix OOB R/W with Hamming ECC
>   drivers/mtd/nand/raw/brcmnand/brcmnand.c | 353 +++++++++++++++++------
>   1 file changed, 268 insertions(+), 85 deletions(-)

Sorry for the delay.  Finally I got some time to try your patches on a 
BCM63158 based board with NAND controller 7.1. It works fine.
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