From: Eduardo Valentin <eduardo.valentin@ti.com>
To: "Valentin, Eduardo" <eduardo.valentin@ti.com>
Cc: Zhang Rui <rui.zhang@intel.com>,
"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: Mon, 20 Aug 2012 15:18:42 +0300 [thread overview]
Message-ID: <20120820121842.GA9833@besouro> (raw)
In-Reply-To: <CAGF5oy9By=A6az=n7-AfPX_57HLzj3J0YXbFenKQXMvG2HcmYQ@mail.gmail.com>
Hello,
On Thu, Aug 09, 2012 at 06:10:04PM +0300, Valentin, Eduardo wrote:
>
> (resending the mail so that it reaches the mailing lists)
>
> Nice, I checked your tree and this patch is fine for me. Next time you
> send it out, you may want to add my reviewed-by:
Except that in your tree it is still introducing compilation issues under omap-thermal-common.c
>
> Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com>
So, apart from the above comment, this patch is still fine for me.
>
>
> >
> > 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
> > > >
> > >
> > >
> > >
> >
> >
>
>
>
> --
>
> Eduardo Valentin
next prev parent reply other threads:[~2012-08-20 12:28 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
2012-08-09 8:05 ` Valentin, Eduardo
2012-08-09 15:10 ` Valentin, Eduardo
2012-08-20 12:18 ` Eduardo Valentin [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120820121842.GA9833@besouro \
--to=eduardo.valentin@ti.com \
--cc=amit.kachhap@linaro.org \
--cc=durgadoss.r@intel.com \
--cc=lenb@kernel.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=mjg@redhat.com \
--cc=rjw@sisk.pl \
--cc=rui.zhang@intel.com \
--cc=wni@nvidia.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).