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 ?
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Fixes: 9e4249b40340 ("thermal: exynos: Fix first temperature read after registering sensor")
> CC: stable@xxxxxxxxxxxxxxx # v4.6+
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
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