[PATCH v5 0/3] Introduce mtdblock device
Simon Glass
sjg at chromium.org
Wed Jun 5 15:17:34 CEST 2024
Hi Alexey,
On Wed, 5 Jun 2024 at 04:09, Alexey Romanov <avromanov at salutedevices.com> wrote:
>
> Hi Simon,
> your message is empty.
>
> On Tue, Jun 04, 2024 at 08:13:34PM -0600, Simon Glass wrote:
> > Hi Alexey,
> >
> > On Mon, Jun 3, 2024, 09:57 Alexey Romanov <avromanov at salutedevices.com>
> > 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.
> > >
> > > 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/
> > >
> > > 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 | 1 +
> > > drivers/mtd/mtdblock.c | 227 ++++++++++++++++++++++++++++++++++++
> > > drivers/mtd/mtdpart.c | 76 ++++++++++++
> > > drivers/mtd/nand/spi/core.c | 20 ++++
> > > include/linux/mtd/mtd.h | 21 ++++
> > > include/part.h | 3 +
> > > 9 files changed, 352 insertions(+), 1 deletion(-)
> > > create mode 100644 drivers/mtd/mtdblock.c
> > >
> > > --
> > > 2.34.1
> > >
> > >
>
Are you able to add a sandbox test for this code?
Regards,
Simon
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