Re: [PATCH v4 2/2] hw_random: timeriomem-rng: add configurable read width and data mask

[Thomas Gleixner]

Jad!

On Wed, Jun 17 2026 at 12:46, Jad Keskes wrote:
> The TODO for supporting read sizes other than 32 bits and masking has
> been sitting in this driver since 2009.  Implement it.
>
> Add reg-io-width (1, 2, or 4 bytes) and mask support.  The read loop
> dispatches on width using readb/readw/readl so a configured 1-byte
> access doesn't trigger a bus error on hardware that rejects 32-bit
> reads to that address.  The mask is ANDed with the value before storing.
>
> These are platform properties, not runtime policy -- width depends on
> SoC integration, mask reflects which output bits carry entropy.
>
> The alignment check in probe is updated to verify the resource is
> aligned to the configured width instead of hardcoding 4-byte alignment.

So this is the 4th version of the same thing within 24 hours and without
any explanation what the difference between v1/2/3/4 is.

Please stop this frenzy and send out new versions only if there is a
good and documented reason. Otherwise give people the time to review
your patch. All of this is documented in Documentation/process.