On 06/12/2018 14:23, David HERNANDEZ SANCHEZ wrote: > Calling stm_thermal_read_factory_settings before clocking > internal peripheral causes bad register values and makes > temperature computation wrong. > > Calling stm_thermal_read_factory_settings inside > stm_thermal_prepare fixes this problem as internal > peripheral is well clocked at this stage. > > Signed-off-by: David Hernandez Sanchez <david.hernandezsanchez@xxxxxx> > Fixes: 1d693155 ("thermal: add stm32 thermal driver") Same comment as the first patch. Reviewed-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> > diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c > index 47623da..daa1257 100644 > --- a/drivers/thermal/st/stm_thermal.c > +++ b/drivers/thermal/st/stm_thermal.c > @@ -532,6 +532,10 @@ static int stm_thermal_prepare(struct stm_thermal_sensor *sensor) > if (ret) > return ret; > > + ret = stm_thermal_read_factory_settings(sensor); > + if (ret) > + goto thermal_unprepare; > + > ret = stm_thermal_calibration(sensor); > if (ret) > goto thermal_unprepare; > @@ -636,10 +640,6 @@ static int stm_thermal_probe(struct platform_device *pdev) > /* Populate sensor */ > sensor->base = base; > > - ret = stm_thermal_read_factory_settings(sensor); > - if (ret) > - return ret; > - > sensor->clk = devm_clk_get(&pdev->dev, "pclk"); > if (IS_ERR(sensor->clk)) { > dev_err(&pdev->dev, "%s: failed to fetch PCLK clock\n", > -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog