Hi Eduardo,
On Thu, Nov 06, 2014 at 09:30:20PM -0400, Eduardo Valentin wrote:
> Hello Caesar,
>
> On Sat, Nov 01, 2014 at 10:44:29AM +0800, Caesar Wang wrote:
> > Thermal is TS-ADC Controller module supports
> > user-defined mode and automatic mode.
> >
> > User-defined mode refers,TSADC all the control signals entirely by
> > software writing to register for direct control.
> >
> > Automaic mode refers to the module automatically poll TSADC output,
> > and the results were checked.If you find that the temperature High
> > in a period of time,an interrupt is generated to the processor
> > down-measures taken;If the temperature over a period of time High,
> > the resulting TSHUT gave CRU module,let it reset the entire chip,
> > or via GPIO give PMIC.
> >
>
> First thing, very good progress in this driver!
>
> > Signed-off-by: zhaoyifeng <zyf@xxxxxxxxxxxxxx>
> > Signed-off-by: Caesar Wang <caesar.wang@xxxxxxxxxxxxxx>
> > Reviewed-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
>
> Just for the sake of code / documentation history, this patch, which
> adds the driver, should come after patch 2, which adds dt documentation.
>
> > ---
> > drivers/thermal/Kconfig | 9 +
> > drivers/thermal/Makefile | 1 +
> > drivers/thermal/rockchip_thermal.c | 711 +++++++++++++++++++++++++++++++++++++
> > 3 files changed, 721 insertions(+)
> > create mode 100644 drivers/thermal/rockchip_thermal.c
>
> <big cut>
>
> > +static int
> > +rockchip_thermal_register_sensor(struct platform_device *pdev,
> > + struct rockchip_thermal_data *thermal,
> > + struct rockchip_thermal_sensor *sensor,
> > + enum sensor_id id)
> > +{
> > + const struct rockchip_tsadc_chip *tsadc = thermal->chip;
> > + int error;
> > +
> > + tsadc->set_tshut_mode(id, thermal->regs, thermal->tshut_mode);
> > + tsadc->set_tshut_temp(id, thermal->regs, thermal->tshut_temp);
> > +
> > + sensor->thermal = thermal;
> > + sensor->id = id;
> > + sensor->tzd = thermal_zone_of_sensor_register(&pdev->dev, id, sensor,
> > + rockchip_thermal_get_temp,
> > + NULL,
> > + rockchip_thermal_set_trips);
>
> So, did I miss something here? Looks like you have extended the of
> thermal, and I haven't seen the patch.
> CC [M] drivers/thermal/rockchip_thermal.o
> drivers/thermal/rockchip_thermal.c: In function
> `rockchip_thermal_register_sensor':
> drivers/thermal/rockchip_thermal.c:482:7: error: too many arguments to
> function `thermal_zone_of_sensor_register'
> rockchip_thermal_set_trips);
Yes, it relies on patch by Mikko Perttunen adding support for
hardware-supported trip points. It allows us to reduce polling frequency
while still being able to react when we cross the tripping point.
See https://lkml.org/lkml/2014/6/27/76
Thanks.
--
Dmitry
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