Re: [PATCH 6.12 000/460] 6.12.78-rc1 review

Greg Kroah-Hartman
2026-03-31T11:07:12Z

On Mon, Mar 30, 2026 at 02:02:33AM -0700, Guenter Roeck wrote:
> Hi,
>
> On 3/23/26 06:39, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.12.78 release.
> > There are 460 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Wed, 25 Mar 2026 13:44:33 +0000.
> > Anything received after that time might be too late.
> >
>
> Since v6.12.64, various architecture/image combinations fail to build
> with the following error.
>
> Error log:
> sound/soc/codecs/ak4458.c:631:13: error: 'ak4458_reset' defined but not used [-Werror=unused-function]
> 631 | static void ak4458_reset(struct ak4458_priv *ak4458, bool active)
>
> This is seen if the driver is built with CONFIG_PM=n.
>
> Problem is that ak4458_reset() is only called from inside code
> protected with CONFIG_PM, but declared outside it. This was
> introduced with commit 47c4976513f1 ("ASoC: ak4458: remove the
> reset operation in probe and remove").
>
> The problem is not seen in later kernels which also have commit
> 9f9c8e9064ea ("ASoC: ak4458: Convert to RUNTIME_PM_OPS() & co").
> That commit has not been backported to v6.12.y.

Now backported, thanks.

greg k-h