On 31-05-22, 13:12, Chanwoo Choi wrote:
> I try to find the cause of this warning.
> I think that dev_pm_opp_clear_config needs to check
> whether 'opp_table' is NULL or not as following:
>
>
> diff --git a/drivers/opp/core.c b/drivers/opp/core.c
> index fba6e2b20b8f..cbf8f10b9ff0 100644
> --- a/drivers/opp/core.c
> +++ b/drivers/opp/core.c
> @@ -2598,6 +2598,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_config);
> */
> void dev_pm_opp_clear_config(struct opp_table *opp_table)
> {
> + if (unlikely(!opp_table))
> + return;
> +
> if (opp_table->genpd_virt_devs)
> dev_pm_opp_detach_genpd(opp_table);
Does this fixes it for you ?
It isn't allowed to call this routine with opp_table as NULL, I should
rather have a WARN() for the same instead.
Can you check why exynos is passing NULL here as I don't see an
obvious reason currently.
--
viresh
