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Date: Tue, 19 Jul 2022 20:16:32 +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>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Dmitry Osipenko <digetx@...il.com>,
"open list:TEGRA ARCHITECTURE SUPPORT" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v5 07/12] thermal/core: Rename 'trips' to 'num_trips'
On Sun, Jul 10, 2022 at 2:35 PM Daniel Lezcano
<daniel.lezcano@...exp.org> wrote:
>
> In order to use thermal trips defined in the thermal structure, rename
> the 'trips' field to 'num_trips' to have the 'trips' field containing the
> thermal trip points.
OK, never mind.
> Cc: Alexandre Bailon <abailon@...libre.com>
> Cc: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...exp.org>
> ---
> drivers/thermal/gov_fair_share.c | 6 +++---
> drivers/thermal/gov_power_allocator.c | 4 ++--
> drivers/thermal/tegra/tegra30-tsensor.c | 2 +-
> drivers/thermal/thermal_core.c | 20 ++++++++++----------
> drivers/thermal/thermal_helpers.c | 4 ++--
> drivers/thermal/thermal_netlink.c | 2 +-
> drivers/thermal/thermal_sysfs.c | 22 +++++++++++-----------
> include/linux/thermal.h | 4 ++--
> 8 files changed, 32 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/thermal/gov_fair_share.c b/drivers/thermal/gov_fair_share.c
> index 1e5abf4822be..6a2abcfc648f 100644
> --- a/drivers/thermal/gov_fair_share.c
> +++ b/drivers/thermal/gov_fair_share.c
> @@ -25,10 +25,10 @@ static int get_trip_level(struct thermal_zone_device *tz)
> int trip_temp;
> enum thermal_trip_type trip_type;
>
> - if (tz->trips == 0 || !tz->ops->get_trip_temp)
> + if (tz->num_trips == 0 || !tz->ops->get_trip_temp)
> return 0;
>
> - for (count = 0; count < tz->trips; count++) {
> + for (count = 0; count < tz->num_trips; count++) {
> tz->ops->get_trip_temp(tz, count, &trip_temp);
> if (tz->temperature < trip_temp)
> break;
> @@ -53,7 +53,7 @@ static long get_target_state(struct thermal_zone_device *tz,
>
> cdev->ops->get_max_state(cdev, &max_state);
>
> - return (long)(percentage * level * max_state) / (100 * tz->trips);
> + return (long)(percentage * level * max_state) / (100 * tz->num_trips);
> }
>
> /**
> diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c
> index 13e375751d22..1d5052470967 100644
> --- a/drivers/thermal/gov_power_allocator.c
> +++ b/drivers/thermal/gov_power_allocator.c
> @@ -527,7 +527,7 @@ static void get_governor_trips(struct thermal_zone_device *tz,
> last_active = INVALID_TRIP;
> last_passive = INVALID_TRIP;
>
> - for (i = 0; i < tz->trips; i++) {
> + for (i = 0; i < tz->num_trips; i++) {
> enum thermal_trip_type type;
> int ret;
>
> @@ -668,7 +668,7 @@ static int power_allocator_bind(struct thermal_zone_device *tz)
>
> get_governor_trips(tz, params);
>
> - if (tz->trips > 0) {
> + if (tz->num_trips > 0) {
> ret = tz->ops->get_trip_temp(tz,
> params->trip_max_desired_temperature,
> &control_temp);
> diff --git a/drivers/thermal/tegra/tegra30-tsensor.c b/drivers/thermal/tegra/tegra30-tsensor.c
> index 9b6b693cbcf8..05886684f429 100644
> --- a/drivers/thermal/tegra/tegra30-tsensor.c
> +++ b/drivers/thermal/tegra/tegra30-tsensor.c
> @@ -316,7 +316,7 @@ static void tegra_tsensor_get_hw_channel_trips(struct thermal_zone_device *tzd,
> *hot_trip = 85000;
> *crit_trip = 90000;
>
> - for (i = 0; i < tzd->trips; i++) {
> + for (i = 0; i < tzd->num_trips; i++) {
> enum thermal_trip_type type;
> int trip_temp;
>
> diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
> index a8b1628937c6..cb9b1bd03bd3 100644
> --- a/drivers/thermal/thermal_core.c
> +++ b/drivers/thermal/thermal_core.c
> @@ -505,7 +505,7 @@ void thermal_zone_device_update(struct thermal_zone_device *tz,
>
> tz->notify_event = event;
>
> - for (count = 0; count < tz->trips; count++)
> + for (count = 0; count < tz->num_trips; count++)
> handle_thermal_trip(tz, count);
> }
> EXPORT_SYMBOL_GPL(thermal_zone_device_update);
> @@ -630,7 +630,7 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
> unsigned long max_state;
> int result, ret;
>
> - if (trip >= tz->trips || trip < 0)
> + if (trip >= tz->num_trips || trip < 0)
> return -EINVAL;
>
> list_for_each_entry(pos1, &thermal_tz_list, node) {
> @@ -811,7 +811,7 @@ static void __bind(struct thermal_zone_device *tz, int mask,
> {
> int i, ret;
>
> - for (i = 0; i < tz->trips; i++) {
> + for (i = 0; i < tz->num_trips; i++) {
> if (mask & (1 << i)) {
> unsigned long upper, lower;
>
> @@ -1057,7 +1057,7 @@ static void __unbind(struct thermal_zone_device *tz, int mask,
> {
> int i;
>
> - for (i = 0; i < tz->trips; i++)
> + for (i = 0; i < tz->num_trips; i++)
> if (mask & (1 << i))
> thermal_zone_unbind_cooling_device(tz, i, cdev);
> }
> @@ -1169,7 +1169,7 @@ static void thermal_set_delay_jiffies(unsigned long *delay_jiffies, int delay_ms
> /**
> * thermal_zone_device_register() - register a new thermal zone device
> * @type: the thermal zone device type
> - * @trips: the number of trip points the thermal zone support
> + * @num_trips: the number of trip points the thermal zone support
> * @mask: a bit string indicating the writeablility of trip points
> * @devdata: private device data
> * @ops: standard thermal zone device callbacks
> @@ -1191,7 +1191,7 @@ static void thermal_set_delay_jiffies(unsigned long *delay_jiffies, int delay_ms
> * IS_ERR*() helpers.
> */
> struct thermal_zone_device *
> -thermal_zone_device_register(const char *type, int trips, int mask,
> +thermal_zone_device_register(const char *type, int num_trips, int mask,
> void *devdata, struct thermal_zone_device_ops *ops,
> struct thermal_zone_params *tzp, int passive_delay,
> int polling_delay)
> @@ -1215,7 +1215,7 @@ thermal_zone_device_register(const char *type, int trips, int mask,
> return ERR_PTR(-EINVAL);
> }
>
> - if (trips > THERMAL_MAX_TRIPS || trips < 0 || mask >> trips) {
> + if (num_trips > THERMAL_MAX_TRIPS || num_trips < 0 || mask >> num_trips) {
> pr_err("Incorrect number of thermal trips\n");
> return ERR_PTR(-EINVAL);
> }
> @@ -1225,7 +1225,7 @@ thermal_zone_device_register(const char *type, int trips, int mask,
> return ERR_PTR(-EINVAL);
> }
>
> - if (trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp))
> + if (num_trips > 0 && (!ops->get_trip_type || !ops->get_trip_temp))
> return ERR_PTR(-EINVAL);
>
> tz = kzalloc(sizeof(*tz), GFP_KERNEL);
> @@ -1255,7 +1255,7 @@ thermal_zone_device_register(const char *type, int trips, int mask,
> tz->tzp = tzp;
> tz->device.class = &thermal_class;
> tz->devdata = devdata;
> - tz->trips = trips;
> + tz->num_trips = num_trips;
>
> thermal_set_delay_jiffies(&tz->passive_delay_jiffies, passive_delay);
> thermal_set_delay_jiffies(&tz->polling_delay_jiffies, polling_delay);
> @@ -1273,7 +1273,7 @@ thermal_zone_device_register(const char *type, int trips, int mask,
> if (result)
> goto release_device;
>
> - for (count = 0; count < trips; count++) {
> + for (count = 0; count < num_trips; count++) {
> if (tz->ops->get_trip_type(tz, count, &trip_type) ||
> tz->ops->get_trip_temp(tz, count, &trip_temp) ||
> !trip_temp)
> diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c
> index 60bfda1a1db7..690890f054a3 100644
> --- a/drivers/thermal/thermal_helpers.c
> +++ b/drivers/thermal/thermal_helpers.c
> @@ -89,7 +89,7 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp)
> ret = tz->ops->get_temp(tz, temp);
>
> if (IS_ENABLED(CONFIG_THERMAL_EMULATION) && tz->emul_temperature) {
> - for (count = 0; count < tz->trips; count++) {
> + for (count = 0; count < tz->num_trips; count++) {
> ret = tz->ops->get_trip_type(tz, count, &type);
> if (!ret && type == THERMAL_TRIP_CRITICAL) {
> ret = tz->ops->get_trip_temp(tz, count,
> @@ -137,7 +137,7 @@ void thermal_zone_set_trips(struct thermal_zone_device *tz)
> if (!tz->ops->set_trips || !tz->ops->get_trip_hyst)
> goto exit;
>
> - for (i = 0; i < tz->trips; i++) {
> + for (i = 0; i < tz->num_trips; i++) {
> int trip_low;
>
> tz->ops->get_trip_temp(tz, i, &trip_temp);
> diff --git a/drivers/thermal/thermal_netlink.c b/drivers/thermal/thermal_netlink.c
> index 32fea5174cc0..050d243a5fa1 100644
> --- a/drivers/thermal/thermal_netlink.c
> +++ b/drivers/thermal/thermal_netlink.c
> @@ -469,7 +469,7 @@ static int thermal_genl_cmd_tz_get_trip(struct param *p)
>
> mutex_lock(&tz->lock);
>
> - for (i = 0; i < tz->trips; i++) {
> + for (i = 0; i < tz->num_trips; i++) {
>
> enum thermal_trip_type type;
> int temp, hyst = 0;
> diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c
> index 1c4aac8464a7..5018459e8dd9 100644
> --- a/drivers/thermal/thermal_sysfs.c
> +++ b/drivers/thermal/thermal_sysfs.c
> @@ -416,15 +416,15 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> int indx;
>
> /* This function works only for zones with at least one trip */
> - if (tz->trips <= 0)
> + if (tz->num_trips <= 0)
> return -EINVAL;
>
> - tz->trip_type_attrs = kcalloc(tz->trips, sizeof(*tz->trip_type_attrs),
> + tz->trip_type_attrs = kcalloc(tz->num_trips, sizeof(*tz->trip_type_attrs),
> GFP_KERNEL);
> if (!tz->trip_type_attrs)
> return -ENOMEM;
>
> - tz->trip_temp_attrs = kcalloc(tz->trips, sizeof(*tz->trip_temp_attrs),
> + tz->trip_temp_attrs = kcalloc(tz->num_trips, sizeof(*tz->trip_temp_attrs),
> GFP_KERNEL);
> if (!tz->trip_temp_attrs) {
> kfree(tz->trip_type_attrs);
> @@ -432,7 +432,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> }
>
> if (tz->ops->get_trip_hyst) {
> - tz->trip_hyst_attrs = kcalloc(tz->trips,
> + tz->trip_hyst_attrs = kcalloc(tz->num_trips,
> sizeof(*tz->trip_hyst_attrs),
> GFP_KERNEL);
> if (!tz->trip_hyst_attrs) {
> @@ -442,7 +442,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> }
> }
>
> - attrs = kcalloc(tz->trips * 3 + 1, sizeof(*attrs), GFP_KERNEL);
> + attrs = kcalloc(tz->num_trips * 3 + 1, sizeof(*attrs), GFP_KERNEL);
> if (!attrs) {
> kfree(tz->trip_type_attrs);
> kfree(tz->trip_temp_attrs);
> @@ -451,7 +451,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> return -ENOMEM;
> }
>
> - for (indx = 0; indx < tz->trips; indx++) {
> + for (indx = 0; indx < tz->num_trips; indx++) {
> /* create trip type attribute */
> snprintf(tz->trip_type_attrs[indx].name, THERMAL_NAME_LENGTH,
> "trip_point_%d_type", indx);
> @@ -478,7 +478,7 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> tz->trip_temp_attrs[indx].attr.store =
> trip_point_temp_store;
> }
> - attrs[indx + tz->trips] = &tz->trip_temp_attrs[indx].attr.attr;
> + attrs[indx + tz->num_trips] = &tz->trip_temp_attrs[indx].attr.attr;
>
> /* create Optional trip hyst attribute */
> if (!tz->ops->get_trip_hyst)
> @@ -496,10 +496,10 @@ static int create_trip_attrs(struct thermal_zone_device *tz, int mask)
> tz->trip_hyst_attrs[indx].attr.store =
> trip_point_hyst_store;
> }
> - attrs[indx + tz->trips * 2] =
> + attrs[indx + tz->num_trips * 2] =
> &tz->trip_hyst_attrs[indx].attr.attr;
> }
> - attrs[tz->trips * 3] = NULL;
> + attrs[tz->num_trips * 3] = NULL;
>
> tz->trips_attribute_group.attrs = attrs;
>
> @@ -540,7 +540,7 @@ int thermal_zone_create_device_groups(struct thermal_zone_device *tz,
> for (i = 0; i < size - 2; i++)
> groups[i] = thermal_zone_attribute_groups[i];
>
> - if (tz->trips) {
> + if (tz->num_trips) {
> result = create_trip_attrs(tz, mask);
> if (result) {
> kfree(groups);
> @@ -561,7 +561,7 @@ void thermal_zone_destroy_device_groups(struct thermal_zone_device *tz)
> if (!tz)
> return;
>
> - if (tz->trips)
> + if (tz->num_trips)
> destroy_trip_attrs(tz);
>
> kfree(tz->device.groups);
> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> index 6289b0bb1c97..03e968d61471 100644
> --- a/include/linux/thermal.h
> +++ b/include/linux/thermal.h
> @@ -125,7 +125,7 @@ struct thermal_cooling_device {
> * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis
> * @mode: current mode of this thermal zone
> * @devdata: private pointer for device private data
> - * @trips: number of trip points the thermal zone supports
> + * @num_trips: number of trip points the thermal zone supports
> * @trips_disabled; bitmap for disabled trips
> * @passive_delay_jiffies: number of jiffies to wait between polls when
> * performing passive cooling.
> @@ -165,7 +165,7 @@ struct thermal_zone_device {
> struct thermal_attr *trip_hyst_attrs;
> enum thermal_device_mode mode;
> void *devdata;
> - int trips;
> + int num_trips;
> unsigned long trips_disabled; /* bitmap for disabled trips */
> unsigned long passive_delay_jiffies;
> unsigned long polling_delay_jiffies;
> --
> 2.25.1
>
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