linux-kernel - Re: [PATCH] PM: domains: fix domain

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Date:   Thu, 7 Dec 2023 13:45:46 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Pavel Machek <pavel@....cz>, Kevin Hilman <khilman@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org
Subject: Re: [PATCH] PM: domains: fix domain_governor kernel-doc warnings

On Tue, 5 Dec 2023 at 23:59, Randy Dunlap <rdunlap@...radead.org> wrote:
>
> Fix kernel-doc warnings found when using "W=1".
>
> domain_governor.c:54: warning: No description found for return value of 'default_suspend_ok'
> domain_governor.c:266: warning: No description found for return value of '_default_power_down_ok'
> domain_governor.c:412: warning: cannot understand function prototype: 'struct dev_power_governor pm_domain_always_on_gov = '
>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: "Rafael J. Wysocki" <rafael@...nel.org>
> Cc: Pavel Machek <pavel@....cz>
> Cc: Kevin Hilman <khilman@...nel.org>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: linux-pm@...r.kernel.org

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

Kind regards
Uffe

> ---
>  drivers/base/power/domain_governor.c |    8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff -- a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
> --- a/drivers/base/power/domain_governor.c
> +++ b/drivers/base/power/domain_governor.c
> @@ -49,6 +49,8 @@ static int dev_update_qos_constraint(str
>  /**
>   * default_suspend_ok - Default PM domain governor routine to suspend devices.
>   * @dev: Device to check.
> + *
> + * Returns: true if OK to suspend, false if not OK to suspend
>   */
>  static bool default_suspend_ok(struct device *dev)
>  {
> @@ -261,6 +263,8 @@ static bool __default_power_down_ok(stru
>   * @now: current ktime.
>   *
>   * This routine must be executed under the PM domain's lock.
> + *
> + * Returns: true if OK to power down, false if not OK to power down
>   */
>  static bool _default_power_down_ok(struct dev_pm_domain *pd, ktime_t now)
>  {
> @@ -406,8 +410,8 @@ struct dev_power_governor simple_qos_gov
>         .power_down_ok = default_power_down_ok,
>  };
>
> -/**
> - * pm_genpd_gov_always_on - A governor implementing an always-on policy
> +/*
> + * pm_domain_always_on_gov - A governor implementing an always-on policy
>   */
>  struct dev_power_governor pm_domain_always_on_gov = {
>         .suspend_ok = default_suspend_ok,