Re: [PATCH v2 0/3] mtd: spi-nor: winbond: Fix protection handling

[Pratyush Yadav]

On Wed, Feb 18 2026, Eliav Farber wrote:

> This series fixes block protection handling for the following Winbond
> SPI-NOR devices:
>  - w25q256jwm
>  - w25q256jw
>  - w25q64jvm
>
> The devices do not correctly describe their Status Register layout and
> protection capabilities (locking flags, TB bit, BP bit configuration).
> As a result, the spi-nor core rejects protection requests and locking
> operations fail with -EINVAL, e.g.:
>
>   flash_lock -l /dev/mtd29
>   flash_lock: error!: could not lock device: /dev/mtd29
>   error 22 (Invalid argument)
>
> Update the device flags to match the actual hardware behavior so that
> locking and unlocking regions work correctly.
>
> All changes were validated using flash_lock on the affected devices.

Applied patches 1 and 3 to spi-nor/next. Thanks!

Skipped patch 2 since you say that you haven't got a device to test
with. I don't have a very strong opinion on this, but I do think we
should test patches on real hardware just to we get some sanity checking
for the patch.

[...]

-- 
Regards,
Pratyush Yadav