Re: [PATCH v1 0/3] regcache: Avoid accessing non-initialised cache

[Mark Brown]

On Tue, 10 Feb 2026 17:09:07 +0100, Andy Shevchenko wrote:
> FIXME cover letter
> 
> Some caches may not allow writes before full initialisation is done.
> In particular on REGMAP_MAPLE caches when we want to populate cache
> with the values (reg_defaults_raw == NULL && num_reg_defaults_raw != 0)
> from HW, the NULL pointer dereference may happen. Address this by moving
> the IO after cache initialisation is done.
> 
> [...]

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git for-next

Thanks!

[1/3] regcache: Remove duplicate check in regcache_hw_init()
      commit: 1fcf171178f021ef2005d47e281544624b93c5a5
[2/3] regcache: Split regcache_count_cacheable_registers() helper
      commit: c2bcf62ca75c541ec4297e6ff02a68ddc2e02029
[3/3] regcache: Move HW readback after cache initialisation
      (no commit info)

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
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Thanks,
Mark