Messages in this thread | | | Subject | Re: [PATCH 01/19] thermal: allow registering without .get_temp | From | Zhang Rui <> | Date | Wed, 26 Mar 2014 10:23:51 +0800 |
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On Tue, 2014-03-25 at 18:49 +0800, Alex Shi wrote: > From: Eduardo Valentin <eduardo.valentin@ti.com> > > This patch changes the thermal core driver to allow > registration of thermal zones without the .get_temp callback. > > The idea behind this change is to allow lazy registration > of sensor callbacks. > > The thermal zone will be disabled whenever the ops > does not contain a .get_temp callback. The sysfs interface > will be returning -EINVAL on any temperature read operation. > > Cc: Zhang Rui <rui.zhang@intel.com> > Cc: linux-pm@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com> > (cherry picked from commit 81bd4e1cebed5efb85bd94a15342ee4d6965a416) > > Signed-off-by: Alex Shi <alex.shi@linaro.org>
why are you sending this patch series? all of the patches have been in upstream already. Plus, next time when you send a big patch set, please send with a patch 00/XX to give a general introduction of the whole patch set.
thanks, rui > --- > drivers/thermal/thermal_core.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c > index d755440..818cd78 100644 > --- a/drivers/thermal/thermal_core.c > +++ b/drivers/thermal/thermal_core.c > @@ -388,7 +388,7 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp) > enum thermal_trip_type type; > #endif > > - if (!tz || IS_ERR(tz)) > + if (!tz || IS_ERR(tz) || !tz->ops->get_temp) > goto exit; > > mutex_lock(&tz->lock); > @@ -441,6 +441,9 @@ void thermal_zone_device_update(struct thermal_zone_device *tz) > { > int count; > > + if (!tz->ops->get_temp) > + return; > + > update_temperature(tz); > > for (count = 0; count < tz->trips; count++) > @@ -1621,7 +1624,7 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type, > if (trips > THERMAL_MAX_TRIPS || trips < 0 || mask >> trips) > return ERR_PTR(-EINVAL); > > - if (!ops || !ops->get_temp) > + if (!ops) > return ERR_PTR(-EINVAL); > > if (trips > 0 && !ops->get_trip_type) > @@ -1723,6 +1726,9 @@ struct thermal_zone_device *thermal_zone_device_register(const char *type, > > INIT_DELAYED_WORK(&(tz->poll_queue), thermal_zone_device_check); > > + if (!tz->ops->get_temp) > + thermal_zone_device_set_polling(tz, 0); > + > thermal_zone_device_update(tz); > > if (!result)
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