[PATCH v4 0/3] nvmem: migrate to const void * in reg_write

[Link Mauve]

On Mon, Aug 10, 2026 at 10:27:33AM +0300, Andy Shevchenko wrote:
> On Sun, Jul 26, 2026 at 03:17:18PM +0200, Link Mauve wrote:
> > This callback used to take a mutable void * for no reason, which causes
> > the compiler to be unaware that the val buffer should never be modified
> > by the callback.
> > 
> > This was found while drafting the nvmem-provider Rust abstraction.
> > 
> > Thanks to the guidance of Andy Shevchenko, this now introduces a new
> > callback and deprecates the existing one, with the goal of renaming the
> > new one into the old one once no user remains in the kernel.
> 
> LGTM now, FWIW,
> Reviewed-by: Andy Shevchenko <andriy.shevchenko at intel.com>
> 
> But I think you also need to provide a road map of finishing this job (the best
> is to provide a continuation in some of yours public Git trees to point out).

I’ve just pushed these changes here, as usual just build-tested:
https://github.com/linkmauve/linux/commits/nvmem-v6

I was planning on working on those after the 7.3 merge window if this
series indeed goes into 7.3, but I was never worried this would be hard
to do, it’s a pretty mechanical change.

> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
> 

-- 
Link Mauve