On 16/04/2018 14:17, Bartlomiej Zolnierkiewicz wrote: > On Monday, April 16, 2018 02:06:41 PM Daniel Lezcano wrote: >> On 16/04/2018 12:11, Bartlomiej Zolnierkiewicz wrote: >>> From: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> >>> >>> When thermal sensor is not yet enabled, reading temperature might return >>> random value. This might even result in stopping system booting when such >>> temperature is higher than the critical value. Fix this by checking if TMU >>> has been actually enabled before reading the temperature. >>> >>> This change fixes booting of Exynos4210-based board with TMU enabled (for >>> example Samsung Trats board), which was broken since v4.4 kernel release. >> >> Why not move the thermal_zone_of_sensor_register *after* initializing >> the sensor ? > > For initializing the sensor we need data obtained from > therm_zone_of_sensor_register() so it cannot be easily > done (especially since we also want the fix to be > ported to -stable kernels). For more detailed description > please see: > > https://lkml.org/lkml/2018/4/10/376 I see, a chicken egg problem :/ Thanks for the pointer. -- <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 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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