| Message ID | 20220809220436.711020-8-daniel.lezcano@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Rework the trip points creation | expand |
On 10/08/2022 01:04, Daniel Lezcano wrote: > The thermal framework gives the possibility to register the trip > points with the thermal zone. When that is done, no get_trip_* ops are > needed and they can be removed. > > Convert ops content logic into generic trip points and register them with the > thermal zone. > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> > --- > drivers/thermal/samsung/exynos_tmu.c | 41 ++++++++++------------------ > 1 file changed, 15 insertions(+), 26 deletions(-) > > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c > index 51874d0a284c..5204e343d5b0 100644 > --- a/drivers/thermal/samsung/exynos_tmu.c > +++ b/drivers/thermal/samsung/exynos_tmu.c > @@ -260,16 +260,8 @@ static int exynos_tmu_initialize(struct platform_device *pdev) > { > struct exynos_tmu_data *data = platform_get_drvdata(pdev); > struct thermal_zone_device *tzd = data->tzd; > - const struct thermal_trip * const trips = > - of_thermal_get_trip_points(tzd); > unsigned int status; > - int ret = 0, temp, hyst; > - > - if (!trips) { > - dev_err(&pdev->dev, > - "Cannot get trip points from device tree!\n"); > - return -ENODEV; > - } > + int ret = 0, temp; > > if (data->soc != SOC_ARCH_EXYNOS5433) /* FIXME */ > ret = tzd->ops->get_crit_temp(tzd, &temp); > @@ -303,19 +295,16 @@ static int exynos_tmu_initialize(struct platform_device *pdev) > > /* Write temperature code for rising and falling threshold */ > for (i = 0; i < ntrips; i++) { > - /* Write temperature code for rising threshold */ > - ret = tzd->ops->get_trip_temp(tzd, i, &temp); > - if (ret) > - goto err; > - temp /= MCELSIUS; > - data->tmu_set_trip_temp(data, i, temp); > > - /* Write temperature code for falling threshold */ > - ret = tzd->ops->get_trip_hyst(tzd, i, &hyst); > + struct thermal_trip trip; > + > + ret = thermal_zone_get_trip(tzd, i, &trip); > if (ret) > goto err; > - hyst /= MCELSIUS; > - data->tmu_set_trip_hyst(data, i, temp, hyst); > + > + data->tmu_set_trip_temp(data, i, trip.temperature / MCELSIUS); > + data->tmu_set_trip_hyst(data, i, trip.temperature / MCELSIUS, > + trip.hysteresis / MCELSIUS); > } > > data->tmu_clear_irqs(data); > @@ -360,21 +349,21 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) > } > > static void exynos4210_tmu_set_trip_temp(struct exynos_tmu_data *data, > - int trip, u8 temp) > + int trip_id, u8 temp) > { > - const struct thermal_trip * const trips = > - of_thermal_get_trip_points(data->tzd); > + struct thermal_trip trip; > u8 ref, th_code; > > - ref = trips[0].temperature / MCELSIUS; > - > - if (trip == 0) { > + thermal_zone_get_trip(data->tzd, 0, &trip); This can return error and trip will be uninitialized. Best regards, Krzysztof
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 51874d0a284c..5204e343d5b0 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -260,16 +260,8 @@ static int exynos_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); struct thermal_zone_device *tzd = data->tzd; - const struct thermal_trip * const trips = - of_thermal_get_trip_points(tzd); unsigned int status; - int ret = 0, temp, hyst; - - if (!trips) { - dev_err(&pdev->dev, - "Cannot get trip points from device tree!\n"); - return -ENODEV; - } + int ret = 0, temp; if (data->soc != SOC_ARCH_EXYNOS5433) /* FIXME */ ret = tzd->ops->get_crit_temp(tzd, &temp); @@ -303,19 +295,16 @@ static int exynos_tmu_initialize(struct platform_device *pdev) /* Write temperature code for rising and falling threshold */ for (i = 0; i < ntrips; i++) { - /* Write temperature code for rising threshold */ - ret = tzd->ops->get_trip_temp(tzd, i, &temp); - if (ret) - goto err; - temp /= MCELSIUS; - data->tmu_set_trip_temp(data, i, temp); - /* Write temperature code for falling threshold */ - ret = tzd->ops->get_trip_hyst(tzd, i, &hyst); + struct thermal_trip trip; + + ret = thermal_zone_get_trip(tzd, i, &trip); if (ret) goto err; - hyst /= MCELSIUS; - data->tmu_set_trip_hyst(data, i, temp, hyst); + + data->tmu_set_trip_temp(data, i, trip.temperature / MCELSIUS); + data->tmu_set_trip_hyst(data, i, trip.temperature / MCELSIUS, + trip.hysteresis / MCELSIUS); } data->tmu_clear_irqs(data); @@ -360,21 +349,21 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) } static void exynos4210_tmu_set_trip_temp(struct exynos_tmu_data *data, - int trip, u8 temp) + int trip_id, u8 temp) { - const struct thermal_trip * const trips = - of_thermal_get_trip_points(data->tzd); + struct thermal_trip trip; u8 ref, th_code; - ref = trips[0].temperature / MCELSIUS; - - if (trip == 0) { + thermal_zone_get_trip(data->tzd, 0, &trip); + ref = trip.temperature / MCELSIUS; + + if (trip_id == 0) { th_code = temp_to_code(data, ref); writeb(th_code, data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP); } temp -= ref; - writeb(temp, data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0 + trip * 4); + writeb(temp, data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0 + trip_id * 4); } /* failing thresholds are not supported on Exynos4210 */
The thermal framework gives the possibility to register the trip points with the thermal zone. When that is done, no get_trip_* ops are needed and they can be removed. Convert ops content logic into generic trip points and register them with the thermal zone. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> --- drivers/thermal/samsung/exynos_tmu.c | 41 ++++++++++------------------ 1 file changed, 15 insertions(+), 26 deletions(-)