[PATCH v6 0/6] Introduce UBI block device

[Michael Nazzareno Trimarchi]

Hi Alexey

On Thu, Jul 18, 2024 at 7:45 AM Alexey Romanov
<avromanov at salutedevices.com> wrote:
>
> Hello!
>
> This series adds support for the UBI block device, which
> allows to read/write data block by block. For example,
> it can now be used for BCB or Android AB command:
>
>   $ bcb load ubi 0 part_name
>
> Tested only on SPI NAND, so bind is made only for
> SPI NAND drivers. Can be used with mtdblock device [1].
>

Did you run the CI on it? It's important not only that review get pass
but even we don't
create regression on other build

Michael

> ---
>
> Changes V1 -> V2 [2]:
>
>  - Rebased over mtdblock v2 patchset [3].
>  - Compile UBI partitions support only if CONFIG_BLK option
>    is enabled.
>
> Changes V2 -> V3 [4]:
>
>  - Fix build warnings: use LBAF printf format string for lbaint_t types.
>
> Changes V3 -> V4 [5]:
>
>  - Rebased over u-boot/master.
>  - Fix build errors and warnings if CONFIG_BLK isn't enabled.
>  - Fix failed tests in cases is ubiblock device isn't binded.
>
> Changes V4 -> V5 [6]:
>
>   - Rebased over u-boot/master.
>   - Fix build errors when CONFIG_MTD and CONFIG_MTD_UBI isn't enabled.
>   - Use auto blk device devnum generation when call
>     blk_create_devicef (pass -1 parameter instead of dev_seq(dev)).
>
> Changes V5 -> V6 [7]:
>
>   - Rebased over u-boot/master.
>   - Introduce CONFIG_UBI_BLOCK which is disabled by default.
>   - Fix undefined reference to `__aeabi_ldivmod' compiler error for 32-bit ARM targets.
>
> Links:
>
>   [1] https://lore.kernel.org/all/20240227100441.1811047-1-avromanov@salutedevices.com/
>   [2] https://lore.kernel.org/all/20240306134906.1179285-1-avromanov@salutedevices.com/
>   [3] https://lore.kernel.org/all/20240307130726.1582487-1-avromanov@salutedevices.com/
>   [4] https://lore.kernel.org/all/20240325144148.3738195-1-avromanov@salutedevices.com/
>   [5] https://lore.kernel.org/all/20240524111319.3512009-1-avromanov@salutedevices.com/
>   [6] https://lore.kernel.org/all/20240603155740.1840571-1-avromanov@salutedevices.com/
>   [7] https://lore.kernel.org/all/20240626104527.2811828-1-avromanov@salutedevices.com/
>
> Alexey Romanov (6):
>   ubi: allow to read from volume with offset
>   ubi: allow to write to volume with offset
>   drivers: introduce UBI block abstraction
>   disk: don't try search for partition type if already set
>   disk: support UBI partitions
>   spinand: bind UBI block
>
>  cmd/ubi.c                   |  78 ++++++++++++++++++++--
>  disk/part.c                 |   7 ++
>  drivers/block/blk-uclass.c  |   1 +
>  drivers/mtd/nand/spi/core.c |  12 +++-
>  drivers/mtd/ubi/Kconfig     |   7 ++
>  drivers/mtd/ubi/Makefile    |   1 +
>  drivers/mtd/ubi/block.c     | 130 ++++++++++++++++++++++++++++++++++++
>  drivers/mtd/ubi/part.c      |  99 +++++++++++++++++++++++++++
>  env/ubi.c                   |  16 ++---
>  include/part.h              |   2 +
>  include/ubi_uboot.h         |  13 +++-
>  11 files changed, 348 insertions(+), 18 deletions(-)
>  create mode 100644 drivers/mtd/ubi/block.c
>  create mode 100644 drivers/mtd/ubi/part.c
>
> --
> 2.34.1
>


-- 
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael at amarulasolutions.com
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