Re: [PATCH v4 0/5] spi: add support for Mediatek SPI-NAND controller

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On Thu, Apr 07, 2022 at 11:06:47PM +0800, Chuanhong Guo wrote:
> Mediatek has an extended version of their NAND Flash Interface which
> has a SPI-NAND mode. In this mode, the controller can perform 1-bit
> spi-mem ops for up-to 0xa0 bytes and typical SPI-NAND single, dual
> and quad IO page cache ops with 2-byte address. Additionally, the
> page cache ops can be performed with ECC and auto data formatting
> using the ECC engine of the controller.
> 
> This patchset implements support of this mode as a separated SPI-MEM
> driver with piplined ECC engine.
              ^^^^^^^^
missing 'e':  pipelined

For the whole series:
Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>

> 
> Changes since v1:
>  add a blank line between properties in dt binding doc
>  rename ecc-engine to nand-ecc-engine for the generic properties
>  fix warnings/errors from the CI
> 
> Changes since v2:
>  use streamed DMA api to avoid an extra memory copy during read
>  make ECC engine config a per-nand context
>  take user-requested ECC strength into account
> 
> Change since v3:
>  fix a missed ecc-engine rename in doc from v1
> 
> Chuanhong Guo (5):
>   mtd: nand: make mtk_ecc.c a separated module
>   spi: add driver for MTK SPI NAND Flash Interface
>   mtd: nand: mtk-ecc: also parse nand-ecc-engine if available
>   dt-bindings: spi: add binding doc for spi-mtk-snfi
>   arm64: dts: mediatek: add mtk-snfi for mt7622
> 
>  .../bindings/spi/mediatek,spi-mtk-snfi.yaml   |   88 +
>  arch/arm64/boot/dts/mediatek/mt7622.dtsi      |   12 +
>  drivers/mtd/nand/Kconfig                      |    7 +
>  drivers/mtd/nand/Makefile                     |    1 +
>  drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} |    8 +-
>  drivers/mtd/nand/raw/Kconfig                  |    1 +
>  drivers/mtd/nand/raw/Makefile                 |    2 +-
>  drivers/mtd/nand/raw/mtk_nand.c               |    2 +-
>  drivers/spi/Kconfig                           |   10 +
>  drivers/spi/Makefile                          |    1 +
>  drivers/spi/spi-mtk-snfi.c                    | 1442 +++++++++++++++++
>  .../linux/mtd/nand-ecc-mtk.h                  |    0
>  12 files changed, 1569 insertions(+), 5 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/spi/mediatek,spi-mtk-snfi.yaml
>  rename drivers/mtd/nand/{raw/mtk_ecc.c => ecc-mtk.c} (98%)
>  create mode 100644 drivers/spi/spi-mtk-snfi.c
>  rename drivers/mtd/nand/raw/mtk_ecc.h => include/linux/mtd/nand-ecc-mtk.h (100%)
> 
> -- 
> 2.35.1
> 
> 
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