Matthias, gentle ping on the patch below >>>
Thanks!
On Thu, Jul 30, 2020 at 12:01 PM Nicolas Boichat <drink...@chromium.org> wrote:
>
> In the error case, where a power domain cannot be powered on
> successfully at boot time (in mtk_register_power_domains),
> pm_genpd_init would still be called with is_off=false, and the
> system would later try to disable the power domain again, triggering
> warnings as disabled clocks are disabled again (and other potential
> issues).
>
> Fixes: c84e358718a66f7 ("soc: Mediatek: Add SCPSYS power domain driver")
> Signed-off-by: Nicolas Boichat <drink...@chromium.org>
>
> ---
>
> drivers/soc/mediatek/mtk-scpsys.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/mediatek/mtk-scpsys.c
> b/drivers/soc/mediatek/mtk-scpsys.c
> index f669d3754627dad..0055a52a49733d5 100644
> --- a/drivers/soc/mediatek/mtk-scpsys.c
> +++ b/drivers/soc/mediatek/mtk-scpsys.c
> @@ -524,6 +524,7 @@ static void mtk_register_power_domains(struct
> platform_device *pdev,
> for (i = 0; i < num; i++) {
> struct scp_domain *scpd = &scp->domains[i];
> struct generic_pm_domain *genpd = &scpd->genpd;
> + bool on;
>
> /*
> * Initially turn on all domains to make the domains usable
> @@ -531,9 +532,9 @@ static void mtk_register_power_domains(struct
> platform_device *pdev,
> * software. The unused domains will be switched off during
> * late_init time.
> */
> - genpd->power_on(genpd);
> + on = genpd->power_on(genpd) >= 0;
>
> - pm_genpd_init(genpd, NULL, false);
> + pm_genpd_init(genpd, NULL, !on);
> }
>
> /*
> --
> 2.28.0.rc0.142.g3c755180ce-goog
>
