linux-kernel - Re: [PATCH 5/5] OPP: No need to defer probe from _opp_attach

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Message-ID: <CAPDyKFosOx_nVuMRc+YS58Tc3rMbVnv8Yz6WXhGUVtbYnu+2DQ@mail.gmail.com>
Date:   Mon, 16 Oct 2023 12:11:53 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] OPP: No need to defer probe from _opp_attach_genpd()

On Fri, 13 Oct 2023 at 10:49, Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> When the new interface for attaching genpd's via the OPP core was added,
> it was possible for required_opp_count to be zero, but not anymore.
>
> Remove the unused check.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe


> ---
>  drivers/opp/core.c | 8 --------
>  1 file changed, 8 deletions(-)
>
> diff --git a/drivers/opp/core.c b/drivers/opp/core.c
> index befe46036ad5..c069aabefa00 100644
> --- a/drivers/opp/core.c
> +++ b/drivers/opp/core.c
> @@ -2430,14 +2430,6 @@ static int _opp_attach_genpd(struct opp_table *opp_table, struct device *dev,
>         if (opp_table->genpd_virt_devs)
>                 return 0;
>
> -       /*
> -        * If the genpd's OPP table isn't already initialized, parsing of the
> -        * required-opps fail for dev. We should retry this after genpd's OPP
> -        * table is added.
> -        */
> -       if (!opp_table->required_opp_count)
> -               return -EPROBE_DEFER;
> -
>         opp_table->genpd_virt_devs = kcalloc(opp_table->required_opp_count,
>                                              sizeof(*opp_table->genpd_virt_devs),
>                                              GFP_KERNEL);
> --
> 2.31.1.272.g89b43f80a514
>