From: Zhang Rui <rui.zhang@intel.com>
To: "Valentin, Eduardo" <eduardo.valentin@ti.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Matthew Garrett <mjg@redhat.com>, Len Brown <lenb@kernel.org>,
R Durgadoss <durgadoss.r@intel.com>,
Amit Kachhap <amit.kachhap@linaro.org>, Wei Ni <wni@nvidia.com>,
linux-acpi@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH V4 05/13] Thermal: Remove tc1/tc2 in generic thermal layer.
Date: Thu, 09 Aug 2012 08:57:54 +0800 [thread overview]
Message-ID: <1344473874.1682.644.camel@rui.sh.intel.com> (raw)
In-Reply-To: <CAGF5oy9DMdCFL41dGD8CBq_+VT_dTtsTrVjdTphmmxFdNr2j9g@mail.gmail.com>
On 三, 2012-08-08 at 17:06 +0300, Valentin, Eduardo wrote:
> Hello Rui,
>
> On Thu, Jul 26, 2012 at 11:41 AM, Zhang Rui <rui.zhang@intel.com> wrote:
> > Remove tc1/tc2 in generic thermal layer.
> > .get_trend() callback starts to take effect from this patch.
> >
> > Signed-off-by: Zhang Rui <rui.zhang@intel.com>
>
> I believe you have to refresh this patch. At least it is not applying
> on 3.6-rc1. With minor changes I could check it though.
>
> > ---
> > drivers/acpi/thermal.c | 5 +----
> > drivers/platform/x86/acerhdf.c | 2 +-
> > drivers/platform/x86/intel_mid_thermal.c | 2 +-
> > drivers/thermal/spear_thermal.c | 2 +-
> > drivers/thermal/thermal_sys.c | 24 ++++++------------------
> > include/linux/thermal.h | 5 +----
>
> Again, simple thing here is that it would be good if you include in
> your patch the change on omap-thermal-common.c:
> drivers/staging/omap-thermal/omap-thermal-common.c: In function
> 'omap_thermal_expose_sensor':
> drivers/staging/omap-thermal/omap-thermal-common.c:251: error: too
> many arguments to function 'thermal_zone_device_register'
> make[3]: *** [drivers/staging/omap-thermal/omap-thermal-common.o] Error 1
> make[2]: *** [drivers/staging/omap-thermal] Error 2
> make[1]: *** [drivers/staging] Error 2
> make[1]: *** Waiting for unfinished jobs....
>
> And looks like you missed the psy_register_thermal (power_supply_core.c):
>
> drivers/power/power_supply_core.c: In function 'psy_register_thermal':
> drivers/power/power_supply_core.c:204: error: too many arguments to
> function 'thermal_zone_device_register'
> make[2]: *** [drivers/power/power_supply_core.o] Error 1
> make[1]: *** [drivers/power] Error 2
> make[1]: *** Waiting for unfinished jobs....
> make: *** [drivers] Error 2
> make: *** Waiting for unfinished jobs....
>
>
> FYR:
> diff --git a/drivers/power/power_supply_core.c
> b/drivers/power/power_supply_core.c
> index 08cc8a3..2436f13 100644
> --- a/drivers/power/power_supply_core.c
> +++ b/drivers/power/power_supply_core.c
> @@ -201,7 +201,7 @@ static int psy_register_thermal(struct power_supply *psy)
> for (i = 0; i < psy->num_properties; i++) {
> if (psy->properties[i] == POWER_SUPPLY_PROP_TEMP) {
> psy->tzd = thermal_zone_device_register(psy->name, 0, 0,
> - psy, &psy_tzd_ops, 0, 0, 0, 0);
> + psy, &psy_tzd_ops, 0, 0);
> if (IS_ERR(psy->tzd))
> return PTR_ERR(psy->tzd);
> break;
I have fixed this one in my git tree.
> diff --git a/drivers/staging/omap-thermal/omap-thermal-common.c
> b/drivers/staging/omap-thermal/omap-thermal-common.c
> index c1f00c6..b4cd6cc 100644
> --- a/drivers/staging/omap-thermal/omap-thermal-common.c
> +++ b/drivers/staging/omap-thermal/omap-thermal-common.c
> @@ -248,7 +248,7 @@ int omap_thermal_expose_sensor(struct omap_bandgap
> *bg_ptr, int id,
> /* Create thermal zone */
> data->omap_thermal = thermal_zone_device_register(domain,
> OMAP_TRIP_NUMBER, 0, data, &omap_thermal_ops,
> - 0, FAST_TEMP_MONITORING_RATE, 0, 0);
> + 0, FAST_TEMP_MONITORING_RATE);
hmm, FAST_TEMP_MONITORING_RATE is the polling frequency and you put it
in the wrong place in your original code, right?
> if (IS_ERR_OR_NULL(data->omap_thermal)) {
> dev_err(bg_ptr->dev, "thermal zone device is NULL\n");
> return PTR_ERR(data->omap_thermal);
>
I missed this one. :)
I'll fixed it in my tree.
thanks,
rui
> Apart from the compilation issues and the needed patch refresh, I am
> good with the patch. And thanks for pushing this forward.
>
> > 6 files changed, 11 insertions(+), 29 deletions(-)
> >
> > diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
> > index 0c49e42..0c755d2 100644
> > --- a/drivers/acpi/thermal.c
> > +++ b/drivers/acpi/thermal.c
> > @@ -895,15 +895,12 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
> > tz->thermal_zone =
> > thermal_zone_device_register("acpitz", trips, 0, tz,
> > &acpi_thermal_zone_ops,
> > - tz->trips.passive.tc1,
> > - tz->trips.passive.tc2,
> > tz->trips.passive.tsp*100,
> > tz->polling_frequency*100);
> > else
> > tz->thermal_zone =
> > thermal_zone_device_register("acpitz", trips, 0, tz,
> > - &acpi_thermal_zone_ops,
> > - 0, 0, 0,
> > + &acpi_thermal_zone_ops, 0,
> > tz->polling_frequency*100);
> > if (IS_ERR(tz->thermal_zone))
> > return -ENODEV;
> > diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
> > index a207466..84c5688 100644
> > --- a/drivers/platform/x86/acerhdf.c
> > +++ b/drivers/platform/x86/acerhdf.c
> > @@ -662,7 +662,7 @@ static int acerhdf_register_thermal(void)
> > return -EINVAL;
> >
> > thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL,
> > - &acerhdf_dev_ops, 0, 0, 0,
> > + &acerhdf_dev_ops, 0,
> > (kernelmode) ? interval*1000 : 0);
> > if (IS_ERR(thz_dev))
> > return -EINVAL;
> > diff --git a/drivers/platform/x86/intel_mid_thermal.c b/drivers/platform/x86/intel_mid_thermal.c
> > index 2b2c212..6e309dd 100644
> > --- a/drivers/platform/x86/intel_mid_thermal.c
> > +++ b/drivers/platform/x86/intel_mid_thermal.c
> > @@ -499,7 +499,7 @@ static int mid_thermal_probe(struct platform_device *pdev)
> > goto err;
> > }
> > pinfo->tzd[i] = thermal_zone_device_register(name[i],
> > - 0, 0, td_info, &tzd_ops, 0, 0, 0, 0);
> > + 0, 0, td_info, &tzd_ops, 0, 0);
> > if (IS_ERR(pinfo->tzd[i])) {
> > kfree(td_info);
> > ret = PTR_ERR(pinfo->tzd[i]);
> > diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
> > index 69a55d4..b55840a 100644
> > --- a/drivers/thermal/spear_thermal.c
> > +++ b/drivers/thermal/spear_thermal.c
> > @@ -148,7 +148,7 @@ static int spear_thermal_probe(struct platform_device *pdev)
> > writel_relaxed(stdev->flags, stdev->thermal_base);
> >
> > spear_thermal = thermal_zone_device_register("spear_thermal", 0, 0,
> > - stdev, &ops, 0, 0, 0, 0);
> > + stdev, &ops, 0, 0);
> > if (IS_ERR(spear_thermal)) {
> > dev_err(&pdev->dev, "thermal zone device is NULL\n");
> > ret = PTR_ERR(spear_thermal);
> > diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
> > index 68c93d4..a70ed4c 100644
> > --- a/drivers/thermal/thermal_sys.c
> > +++ b/drivers/thermal/thermal_sys.c
> > @@ -335,9 +335,6 @@ passive_store(struct device *dev, struct device_attribute *attr,
> > tz->passive_delay = 0;
> > }
> >
> > - tz->tc1 = 1;
> > - tz->tc2 = 1;
> > -
> > tz->forced_passive = state;
> >
> > thermal_zone_device_update(tz);
> > @@ -718,13 +715,12 @@ static void thermal_zone_device_set_polling(struct thermal_zone_device *tz,
> > static void thermal_zone_device_passive(struct thermal_zone_device *tz,
> > int temp, int trip_temp, int trip)
> > {
> > - int trend = 0;
> > + enum thermal_trend trend;
> > struct thermal_cooling_device_instance *instance;
> > struct thermal_cooling_device *cdev;
> > long state, max_state;
> >
> > - if (!tz->ops->get_trend ||
> > - tz->ops->get_trend(tz, trip, (enum thermal_trend *)&trend)) {
> > + if (!tz->ops->get_trend || tz->ops->get_trend(tz, trip, &trend)) {
> > /*
> > * compare the current temperature and previous temperature
> > * to get the thermal trend, if no special requirement
> > @@ -747,11 +743,8 @@ static void thermal_zone_device_passive(struct thermal_zone_device *tz,
> > if (temp >= trip_temp) {
> > tz->passive = true;
> >
> > - trend = (tz->tc1 * (temp - tz->last_temperature)) +
> > - (tz->tc2 * (temp - trip_temp));
> > -
> > /* Heating up? */
> > - if (trend > 0) {
> > + if (trend == THERMAL_TREND_RAISING) {
> > list_for_each_entry(instance, &tz->cooling_devices,
> > node) {
> > if (instance->trip != trip)
> > @@ -762,7 +755,7 @@ static void thermal_zone_device_passive(struct thermal_zone_device *tz,
> > if (state++ < max_state)
> > cdev->ops->set_cur_state(cdev, state);
> > }
> > - } else if (trend < 0) { /* Cooling off? */
> > + } else if (trend == THERMAL_TREND_DROPPING) { /* Cooling off? */
> > list_for_each_entry(instance, &tz->cooling_devices,
> > node) {
> > if (instance->trip != trip)
> > @@ -1288,8 +1281,6 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
> > * @mask: a bit string indicating the writeablility of trip points
> > * @devdata: private device data
> > * @ops: standard thermal zone device callbacks
> > - * @tc1: thermal coefficient 1 for passive calculations
> > - * @tc2: thermal coefficient 2 for passive calculations
> > * @passive_delay: number of milliseconds to wait between polls when
> > * performing passive cooling
> > * @polling_delay: number of milliseconds to wait between polls when checking
> > @@ -1297,13 +1288,12 @@ static void remove_trip_attrs(struct thermal_zone_device *tz)
> > * driven systems)
> > *
> > * thermal_zone_device_unregister() must be called when the device is no
> > - * longer needed. The passive cooling formula uses tc1 and tc2 as described in
> > - * section 11.1.5.1 of the ACPI specification 3.0.
> > + * longer needed. The passive cooling depends on the .get_trend() return value.
> > */
> > struct thermal_zone_device *thermal_zone_device_register(char *type,
> > int trips, int mask, void *devdata,
> > const struct thermal_zone_device_ops *ops,
> > - int tc1, int tc2, int passive_delay, int polling_delay)
> > + int passive_delay, int polling_delay)
> > {
> > struct thermal_zone_device *tz;
> > struct thermal_cooling_device *pos;
> > @@ -1339,8 +1329,6 @@ struct thermal_zone_device *thermal_zone_device_register(char *type,
> > tz->device.class = &thermal_class;
> > tz->devdata = devdata;
> > tz->trips = trips;
> > - tz->tc1 = tc1;
> > - tz->tc2 = tc2;
> > tz->passive_delay = passive_delay;
> > tz->polling_delay = polling_delay;
> >
> > diff --git a/include/linux/thermal.h b/include/linux/thermal.h
> > index a01e3e6..d18dcf6 100644
> > --- a/include/linux/thermal.h
> > +++ b/include/linux/thermal.h
> > @@ -115,8 +115,6 @@ struct thermal_zone_device {
> > struct thermal_attr *trip_hyst_attrs;
> > void *devdata;
> > int trips;
> > - int tc1;
> > - int tc2;
> > int passive_delay;
> > int polling_delay;
> > int temperature;
> > @@ -163,8 +161,7 @@ enum {
> > #define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
> >
> > struct thermal_zone_device *thermal_zone_device_register(char *, int, int,
> > - void *, const struct thermal_zone_device_ops *, int tc1,
> > - int tc2, int passive_freq, int polling_freq);
> > + void *, const struct thermal_zone_device_ops *, int, int);
> > void thermal_zone_device_unregister(struct thermal_zone_device *);
> >
> > int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
> > --
> > 1.7.9.5
> >
>
>
>
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next prev parent reply other threads:[~2012-08-09 0:56 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-26 8:41 [PATCH V4 00/13] Thermal: generic thermal layer enhancement Zhang Rui
2012-07-26 8:41 ` [PATCH V4 01/13] Thermal: Introduce multiple cooling states support Zhang Rui
2012-08-08 12:02 ` Valentin, Eduardo
2012-08-09 0:58 ` Zhang Rui
2012-07-26 8:41 ` [PATCH V4 02/13] Thermal: Introduce cooling states range support Zhang Rui
2012-08-20 15:51 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 03/13] Thermal: set upper and lower limits Zhang Rui
2012-08-20 15:50 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 04/13] Thermal: Introduce .get_trend() callback Zhang Rui
2012-07-26 20:11 ` Rafael J. Wysocki
2012-08-01 2:42 ` Zhang Rui
2012-08-08 13:46 ` Valentin, Eduardo
2012-08-08 13:44 ` Valentin, Eduardo
2012-07-26 8:41 ` [PATCH V4 05/13] Thermal: Remove tc1/tc2 in generic thermal layer Zhang Rui
2012-07-26 20:11 ` Rafael J. Wysocki
2012-08-08 14:06 ` Valentin, Eduardo
2012-08-09 0:57 ` Zhang Rui [this message]
2012-08-09 8:05 ` Valentin, Eduardo
2012-08-09 15:10 ` Valentin, Eduardo
2012-08-20 12:18 ` Eduardo Valentin
2012-08-21 0:49 ` Zhang Rui
2012-08-21 14:20 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 06/13] Thermal: Introduce thermal_zone_trip_update() Zhang Rui
2012-07-26 20:12 ` Rafael J. Wysocki
2012-08-20 15:47 ` Eduardo Valentin
2012-08-20 15:48 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 07/13] Thermal: rename structure thermal_cooling_device_instance to thermal_instance Zhang Rui
2012-08-20 15:47 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 08/13] Thermal: Rename thermal_zone_device.cooling_devices Zhang Rui
2012-08-20 15:47 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 09/13] Thermal: Rename thermal_instance.node to thermal_instance.tz_node Zhang Rui
2012-08-20 15:47 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 10/13] Thermal: List thermal_instance in thermal_cooling_device Zhang Rui
2012-08-20 15:46 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 11/13] Thermal: Introduce simple arbitrator for setting device cooling state Zhang Rui
2012-08-20 15:46 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 12/13] Thermal: Unify the code for both active and passive cooling Zhang Rui
2012-08-20 15:45 ` Eduardo Valentin
2012-07-26 8:41 ` [PATCH V4 13/13] Thermal: Introduce locking for cdev.thermal_instances list Zhang Rui
2012-07-26 20:13 ` Rafael J. Wysocki
2012-08-20 15:45 ` Eduardo Valentin
2012-08-21 0:53 ` Zhang Rui
2012-08-21 5:01 ` Eduardo Valentin
2012-08-20 15:53 ` [PATCH V4 00/13] Thermal: generic thermal layer enhancement Eduardo Valentin
2012-08-21 5:10 ` Eduardo Valentin
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