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Date: Tue, 19 Jul 2022 20:26:22 +0200
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Daniel Lezcano <daniel.lezcano@...exp.org>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
"Zhang, Rui" <rui.zhang@...el.com>,
Linux PM <linux-pm@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Kevin Hilman <khilman@...libre.com>,
Alexandre Bailon <abailon@...libre.com>,
Lukasz Luba <lukasz.luba@....com>,
Amit Kucheria <amitk@...nel.org>
Subject: Re: [PATCH v5 11/12] thermal/of: Use thermal trips stored in the
thermal zone
On Sun, Jul 10, 2022 at 2:35 PM Daniel Lezcano
<daniel.lezcano@...exp.org> wrote:
>
> Now that we have the thermal trip stored in the thermal zone in a
> generic way, we can rely on them and remove one indirection we found
> in the thermal_of code and do one more step forward the removal of the
> duplicated structures.
>
> Cc: Alexandre Bailon <abailon@...libre.com>
> Cc: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...exp.org>
> ---
> drivers/thermal/thermal_of.c | 53 +++++++++++-------------------------
> 1 file changed, 16 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c
> index e187461dd396..601552c55d0b 100644
> --- a/drivers/thermal/thermal_of.c
> +++ b/drivers/thermal/thermal_of.c
> @@ -118,12 +118,7 @@ static int of_thermal_set_trips(struct thermal_zone_device *tz,
> */
> int of_thermal_get_ntrips(struct thermal_zone_device *tz)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (!data || IS_ERR(data))
> - return -ENODEV;
> -
> - return data->ntrips;
> + return tz->ntrips;
Hasn't this been renamed to num_trips?
> }
> EXPORT_SYMBOL_GPL(of_thermal_get_ntrips);
>
> @@ -139,9 +134,7 @@ EXPORT_SYMBOL_GPL(of_thermal_get_ntrips);
> */
> bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (!data || trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return false;
>
> return true;
> @@ -161,12 +154,7 @@ EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid);
> const struct thermal_trip *
> of_thermal_get_trip_points(struct thermal_zone_device *tz)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (!data)
> - return NULL;
> -
> - return data->trips;
> + return tz->trips;
> }
> EXPORT_SYMBOL_GPL(of_thermal_get_trip_points);
>
> @@ -281,12 +269,10 @@ static int of_thermal_unbind(struct thermal_zone_device *thermal,
> static int of_thermal_get_trip_type(struct thermal_zone_device *tz, int trip,
> enum thermal_trip_type *type)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return -EDOM;
>
> - *type = data->trips[trip].type;
> + *type = tz->trips[trip].type;
>
> return 0;
> }
> @@ -294,12 +280,10 @@ static int of_thermal_get_trip_type(struct thermal_zone_device *tz, int trip,
> static int of_thermal_get_trip_temp(struct thermal_zone_device *tz, int trip,
> int *temp)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return -EDOM;
>
> - *temp = data->trips[trip].temperature;
> + *temp = tz->trips[trip].temperature;
>
> return 0;
> }
> @@ -309,7 +293,7 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip,
> {
> struct __thermal_zone *data = tz->devdata;
>
> - if (trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return -EDOM;
>
> if (data->ops && data->ops->set_trip_temp) {
> @@ -321,7 +305,7 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip,
> }
>
> /* thermal framework should take care of data->mask & (1 << trip) */
> - data->trips[trip].temperature = temp;
> + tz->trips[trip].temperature = temp;
>
> return 0;
> }
> @@ -329,12 +313,10 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip,
> static int of_thermal_get_trip_hyst(struct thermal_zone_device *tz, int trip,
> int *hyst)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return -EDOM;
>
> - *hyst = data->trips[trip].hysteresis;
> + *hyst = tz->trips[trip].hysteresis;
>
> return 0;
> }
> @@ -342,13 +324,11 @@ static int of_thermal_get_trip_hyst(struct thermal_zone_device *tz, int trip,
> static int of_thermal_set_trip_hyst(struct thermal_zone_device *tz, int trip,
> int hyst)
> {
> - struct __thermal_zone *data = tz->devdata;
> -
> - if (trip >= data->ntrips || trip < 0)
> + if (trip >= tz->ntrips || trip < 0)
> return -EDOM;
>
> /* thermal framework should take care of data->mask & (1 << trip) */
> - data->trips[trip].hysteresis = hyst;
> + tz->trips[trip].hysteresis = hyst;
>
> return 0;
> }
> @@ -356,12 +336,11 @@ static int of_thermal_set_trip_hyst(struct thermal_zone_device *tz, int trip,
> static int of_thermal_get_crit_temp(struct thermal_zone_device *tz,
> int *temp)
> {
> - struct __thermal_zone *data = tz->devdata;
> int i;
>
> - for (i = 0; i < data->ntrips; i++)
> - if (data->trips[i].type == THERMAL_TRIP_CRITICAL) {
> - *temp = data->trips[i].temperature;
> + for (i = 0; i < tz->ntrips; i++)
> + if (tz->trips[i].type == THERMAL_TRIP_CRITICAL) {
> + *temp = tz->trips[i].temperature;
> return 0;
> }
>
> --
> 2.25.1
>
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