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([2a01:e34:ed2f:f020:4ea:d408:1aec:e109]) by smtp.googlemail.com with ESMTPSA id q15sm9974980wrw.75.2020.12.10.07.33.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Dec 2020 07:33:21 -0800 (PST) Subject: Re: [PATCH v2 1/4] thermal/core: Rename passive_delay and polling_delay with units To: rui.zhang@intel.com Cc: amitk@kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Lukasz Luba , Peter Kaestle , Hans de Goede , Keerthy , Eduardo Valentin References: <20201207190902.30464-1-daniel.lezcano@linaro.org> From: Daniel Lezcano Message-ID: Date: Thu, 10 Dec 2020 16:33:20 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201207190902.30464-1-daniel.lezcano@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cc'ing missing persons. Sorry for the inconvenience, just a head up with those trivial changes (1/4 and 4/4). On 07/12/2020 20:08, Daniel Lezcano wrote: > The input unit used by the thermal framework is the msec but it uses > the jiffies to set the timers. > > As it is stored in the thermal zone device structure, everytime the > timer is setup at each polling interval, the msecs to jiffies > conversion happens. The jiffies is the unit the thermal framework is > using, so keeping it under the jiffies instead of msecs will save some > pointless conversion. > > Set the scene to directly store the delays under their jiffies > form by adding to the variable name the 'ms' suffix. > > Signed-off-by: Daniel Lezcano > --- > drivers/platform/x86/acerhdf.c | 2 +- > drivers/thermal/da9062-thermal.c | 4 ++-- > drivers/thermal/gov_power_allocator.c | 2 +- > drivers/thermal/thermal_core.c | 10 +++++----- > drivers/thermal/thermal_of.c | 16 ++++++++-------- > drivers/thermal/thermal_sysfs.c | 6 +++--- > .../thermal/ti-soc-thermal/ti-thermal-common.c | 2 +- > include/linux/thermal.h | 8 ++++---- > 8 files changed, 25 insertions(+), 25 deletions(-) > > diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c > index b6aa6e5514f4..7b26f601b407 100644 > --- a/drivers/platform/x86/acerhdf.c > +++ b/drivers/platform/x86/acerhdf.c > @@ -336,7 +336,7 @@ static void acerhdf_check_param(struct thermal_zone_device *thermal) > pr_notice("interval changed to: %d\n", interval); > > if (thermal) > - thermal->polling_delay = interval*1000; > + thermal->polling_delay_ms = interval*1000; > > prev_interval = interval; > } > diff --git a/drivers/thermal/da9062-thermal.c b/drivers/thermal/da9062-thermal.c > index 4d74994f160a..ebb3d0b4a5be 100644 > --- a/drivers/thermal/da9062-thermal.c > +++ b/drivers/thermal/da9062-thermal.c > @@ -95,7 +95,7 @@ static void da9062_thermal_poll_on(struct work_struct *work) > thermal_zone_device_update(thermal->zone, > THERMAL_EVENT_UNSPECIFIED); > > - delay = msecs_to_jiffies(thermal->zone->passive_delay); > + delay = msecs_to_jiffies(thermal->zone->passive_delay_ms); > queue_delayed_work(system_freezable_wq, &thermal->work, delay); > return; > } > @@ -245,7 +245,7 @@ static int da9062_thermal_probe(struct platform_device *pdev) > > dev_dbg(&pdev->dev, > "TJUNC temperature polling period set at %d ms\n", > - thermal->zone->passive_delay); > + thermal->zone->passive_delay_ms); > > ret = platform_get_irq_byname(pdev, "THERMAL"); > if (ret < 0) { > diff --git a/drivers/thermal/gov_power_allocator.c b/drivers/thermal/gov_power_allocator.c > index 7a4170a0b51f..f7a663f698d4 100644 > --- a/drivers/thermal/gov_power_allocator.c > +++ b/drivers/thermal/gov_power_allocator.c > @@ -258,7 +258,7 @@ static u32 pid_controller(struct thermal_zone_device *tz, > * power being applied, slowing down the controller) > */ > d = mul_frac(tz->tzp->k_d, err - params->prev_err); > - d = div_frac(d, tz->passive_delay); > + d = div_frac(d, tz->passive_delay_ms); > params->prev_err = err; > > power_range = p + i + d; > diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c > index 1bd23ff2247b..5b500d72aab4 100644 > --- a/drivers/thermal/thermal_core.c > +++ b/drivers/thermal/thermal_core.c > @@ -317,9 +317,9 @@ static void monitor_thermal_zone(struct thermal_zone_device *tz) > mutex_lock(&tz->lock); > > if (!stop && tz->passive) > - thermal_zone_device_set_polling(tz, tz->passive_delay); > - else if (!stop && tz->polling_delay) > - thermal_zone_device_set_polling(tz, tz->polling_delay); > + thermal_zone_device_set_polling(tz, tz->passive_delay_ms); > + else if (!stop && tz->polling_delay_ms) > + thermal_zone_device_set_polling(tz, tz->polling_delay_ms); > else > thermal_zone_device_set_polling(tz, 0); > > @@ -1340,8 +1340,8 @@ thermal_zone_device_register(const char *type, int trips, int mask, > tz->device.class = &thermal_class; > tz->devdata = devdata; > tz->trips = trips; > - tz->passive_delay = passive_delay; > - tz->polling_delay = polling_delay; > + tz->passive_delay_ms = passive_delay; > + tz->polling_delay_ms = polling_delay; > > /* sys I/F */ > /* Add nodes that are always present via .groups */ > diff --git a/drivers/thermal/thermal_of.c b/drivers/thermal/thermal_of.c > index 69ef12f852b7..c01248e48c09 100644 > --- a/drivers/thermal/thermal_of.c > +++ b/drivers/thermal/thermal_of.c > @@ -51,8 +51,8 @@ struct __thermal_bind_params { > > /** > * struct __thermal_zone - internal representation of a thermal zone > - * @passive_delay: polling interval while passive cooling is activated > - * @polling_delay: zone polling interval > + * @passive_delay_ms: polling interval while passive cooling is activated > + * @polling_delay_ms: zone polling interval > * @slope: slope of the temperature adjustment curve > * @offset: offset of the temperature adjustment curve > * @ntrips: number of trip points > @@ -64,8 +64,8 @@ struct __thermal_bind_params { > */ > > struct __thermal_zone { > - int passive_delay; > - int polling_delay; > + int passive_delay_ms; > + int polling_delay_ms; > int slope; > int offset; > > @@ -865,14 +865,14 @@ __init *thermal_of_build_thermal_zone(struct device_node *np) > pr_err("%pOFn: missing polling-delay-passive property\n", np); > goto free_tz; > } > - tz->passive_delay = prop; > + tz->passive_delay_ms = prop; > > ret = of_property_read_u32(np, "polling-delay", &prop); > if (ret < 0) { > pr_err("%pOFn: missing polling-delay property\n", np); > goto free_tz; > } > - tz->polling_delay = prop; > + tz->polling_delay_ms = prop; > > /* > * REVIST: for now, the thermal framework supports only > @@ -1085,8 +1085,8 @@ int __init of_parse_thermal_zones(void) > zone = thermal_zone_device_register(child->name, tz->ntrips, > mask, tz, > ops, tzp, > - tz->passive_delay, > - tz->polling_delay); > + tz->passive_delay_ms, > + tz->polling_delay_ms); > if (IS_ERR(zone)) { > pr_err("Failed to build %pOFn zone %ld\n", child, > PTR_ERR(zone)); > diff --git a/drivers/thermal/thermal_sysfs.c b/drivers/thermal/thermal_sysfs.c > index 0866e949339b..f465462d8aa1 100644 > --- a/drivers/thermal/thermal_sysfs.c > +++ b/drivers/thermal/thermal_sysfs.c > @@ -233,12 +233,12 @@ passive_store(struct device *dev, struct device_attribute *attr, > return -EINVAL; > > if (state && !tz->forced_passive) { > - if (!tz->passive_delay) > - tz->passive_delay = 1000; > + if (!tz->passive_delay_ms) > + tz->passive_delay_ms = 1000; > thermal_zone_device_rebind_exception(tz, "Processor", > sizeof("Processor")); > } else if (!state && tz->forced_passive) { > - tz->passive_delay = 0; > + tz->passive_delay_ms = 0; > thermal_zone_device_unbind_exception(tz, "Processor", > sizeof("Processor")); > } > diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c > index 2ce4b19f312a..4baff19e1142 100644 > --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c > +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c > @@ -185,7 +185,7 @@ int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id, > > ti_bandgap_set_sensor_data(bgp, id, data); > ti_bandgap_write_update_interval(bgp, data->sensor_id, > - data->ti_thermal->polling_delay); > + data->ti_thermal->polling_delay_ms); > > return 0; > } > diff --git a/include/linux/thermal.h b/include/linux/thermal.h > index d07ea27e72a9..230d451bf335 100644 > --- a/include/linux/thermal.h > +++ b/include/linux/thermal.h > @@ -116,9 +116,9 @@ struct thermal_cooling_device { > * @devdata: private pointer for device private data > * @trips: number of trip points the thermal zone supports > * @trips_disabled; bitmap for disabled trips > - * @passive_delay: number of milliseconds to wait between polls when > + * @passive_delay_ms: number of milliseconds to wait between polls when > * performing passive cooling. > - * @polling_delay: number of milliseconds to wait between polls when > + * @polling_delay_ms: number of milliseconds to wait between polls when > * checking whether trip points have been crossed (0 for > * interrupt driven systems) > * @temperature: current temperature. This is only for core code, > @@ -159,8 +159,8 @@ struct thermal_zone_device { > void *devdata; > int trips; > unsigned long trips_disabled; /* bitmap for disabled trips */ > - int passive_delay; > - int polling_delay; > + int passive_delay_ms; > + int polling_delay_ms; > int temperature; > int last_temperature; > int emul_temperature; > -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog