[PATCH 1/5] pmdomain: mediatek: Fix power domain count

[Ulf Hansson]

On Tue, 10 Feb 2026 at 06:40, Adam Ford <aford173 at gmail.com> wrote:
>
> The wrong value of the number of domains is wrong which leads to
> failures when trying to enumerate nested power domains.
>
>  PM: genpd_xlate_onecell: invalid domain index 0
>  PM: genpd_xlate_onecell: invalid domain index 1
>  PM: genpd_xlate_onecell: invalid domain index 3
>  PM: genpd_xlate_onecell: invalid domain index 4
>  PM: genpd_xlate_onecell: invalid domain index 5
>  PM: genpd_xlate_onecell: invalid domain index 13
>  PM: genpd_xlate_onecell: invalid domain index 14
>
> Attempts to use these power domains fail, so fix this by
> using the correct value of calculated power domains.
>
> Signed-off-by: Adam Ford <aford173 at gmail.com>

We should have a fixes tag for this too I think:

Fixes: 88914db077b6 ("pmdomain: mediatek: Add support for Hardware
Voter power domains")


> ---
>  drivers/pmdomain/mediatek/mtk-pm-domains.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c
> index 58648f4f689b..d2b8d0332951 100644
> --- a/drivers/pmdomain/mediatek/mtk-pm-domains.c
> +++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c
> @@ -1228,7 +1228,7 @@ static int scpsys_probe(struct platform_device *pdev)
>         scpsys->soc_data = soc;
>
>         scpsys->pd_data.domains = scpsys->domains;
> -       scpsys->pd_data.num_domains = soc->num_domains;
> +       scpsys->pd_data.num_domains = num_domains;

Not sure this is the complete fix, as scpsys_add_one_domain() seems to
be using the wrong value of "num_domains" too, no?

>
>         parent = dev->parent;
>         if (!parent) {
> --
> 2.51.0
>

Kind regards
Uffe