[PATCH v6 0/3] Introduce mtdblock device

[Alexey Romanov]

Hello, ping.

On Wed, Jun 26, 2024 at 01:44:37PM +0300, Alexey Romanov wrote:
> Hello!
> 
> This series adds support for the mtdblock 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 mtd 0 part_name
> 
> Tested only on SPI NAND, so bind is made only for
> SPI NAND drivers.
> 
> ---
> 
> Changes V1 -> V2 [1]:
> 
>   - Drop patch [2].
>   - Add warning if bind NAND mtdblock device.
>   - Move documentation of mtdblock implementation
>     from commit message to the source code.
>   - Remove __maybe_unused from mtd partition functions
>     description.
>   - Use blk_enabled() instead of #ifdefs.
> 
> Changes V2 -> V3 [2]:
> 
>   - Rebased over [3].
>   - Rename mtd_bread/bwrite -> mtd_blk_read/write.
>   - Fix GPL-2.0 license short name definiton in headers.
>   - Add empty line after MTD_ENTRY_NUMBERS define.
> 
> Changes V3 -> V4 [4]:
> 
>   - Fix build warnings: use LBAF printf format string for lbaint_t types.
> 
> Changes V4 -> V5 [5]:
> 
>   - Rebased over u-boot/master.
>   - Fix build errors and warnings if CONFIG_BLK isn't enabled.
>   - Fix failed tests in cases is mtdblock device isn't binded.
> 
> Changes V5 -> V6 [6]:
> 
>   - Rebased over u-boot/master.
>   - Fix build errors when CONFIG_MTD isn't enabled.
>   - Use auto blk device devnum generation when call
>     blk_create_devicef (pass -1 parameter instead of dev_seq(dev)).
> 
> Links:
> 
>   - [1] https://lore.kernel.org/all/20240227100441.1811047-1-avromanov@salutedevices.com/
>   - [2] https://lore.kernel.org/all/20240227100441.1811047-5-avromanov@salutedevices.com/
>   - [3] https://lore.kernel.org/u-boot/20240403114047.84030-1-heinrich.schuchardt@canonical.com/T/#u
>   - [4] https://lore.kernel.org/all/20240404105813.1520732-1-avromanov@salutedevices.com/
>   - [5] https://lore.kernel.org/all/20240524102920.2631731-1-avromanov@salutedevices.com/
>   - [6] https://lore.kernel.org/all/20240603155702.1840464-1-avromanov@salutedevices.com/
> 
> Alexey Romanov (3):
>   disk: support MTD partitions
>   drivers: introduce mtdblock abstraction
>   spinand: bind mtdblock
> 
>  disk/part.c                 |   3 +-
>  drivers/block/blk-uclass.c  |   1 +
>  drivers/mtd/Kconfig         |   1 +
>  drivers/mtd/Makefile        |   3 +
>  drivers/mtd/mtdblock.c      | 227 ++++++++++++++++++++++++++++++++++++
>  drivers/mtd/mtdpart.c       |  76 ++++++++++++
>  drivers/mtd/nand/spi/core.c |  20 ++++
>  include/linux/mtd/mtd.h     |  25 ++++
>  include/part.h              |   3 +
>  9 files changed, 358 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/mtd/mtdblock.c
> 
> -- 
> 2.34.1
> 

-- 
Thank you,
Alexey