Re: [PATCH v3 4/6] PM / core: Add helpers for subsystem callback selection

From: Ulf Hansson
Date: Wed Nov 15 2017 - 02:43:19 EST


On 12 November 2017 at 01:42, Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Add helper routines to find and return a suitable subsystem callback
> during the "noirq" phases of system suspend/resume (or analogous)
> transitions as well as during the "late" phase of system suspend and
> the "early" phase of system resume (or analogous) transitions.
>
> The helpers will be called from additional sites going forward.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

With a minor nitpick, see below, feel free to add:

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

> ---
>
> v2 -> v3: No changes.
>
> ---
> drivers/base/power/main.c | 196 +++++++++++++++++++++++++++++++---------------
> 1 file changed, 136 insertions(+), 60 deletions(-)
>
> Index: linux-pm/drivers/base/power/main.c
> ===================================================================
> --- linux-pm.orig/drivers/base/power/main.c
> +++ linux-pm/drivers/base/power/main.c
> @@ -525,6 +525,14 @@ static void dpm_watchdog_clear(struct dp
> #define dpm_watchdog_clear(x)
> #endif
>
> +static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
> + pm_message_t state,
> + const char **info_p);
> +
> +static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
> + pm_message_t state,
> + const char **info_p);
> +

There is no need to declare these functions.

Perhaps a following patch in the series need them, but then that
change should add these or even better (in my opinion) just move the
implementations and avoid the declarations all together.

[...]

Kind regards
Uffe