[PATCH 3/3] thermal/drivers/mediatek/lvts_thermal: Disable undesired interrupts

[AngeloGioacchino Del Regno]

Il 28/04/23 21:53, Nícolas F. R. A. Prado ha scritto:
> Out of the many interrupts supported by the hardware, the only ones of
> interest to the driver currently are:
> * The temperature went over the hot threshold, for any of the sensors
> * The temperature went over the hot to normal threshold, for any of the
>    sensors
> * The temperature went over the stage3 threshold
> 
> These are the only thresholds configured by the driver through the
> HTHRE, H2NTHRE, and PROTTC registers, respectively.
> 
> The current interrupt mask in LVTS_MONINT_CONF, enables many more
> interrupts, including offset detection and data ready on sensors for
> both filtered and immediate mode. These are not only not handled by the
> driver, but they are also triggered too often, causing unneeded
> overhead. Disable these unnecessary interrupts.
> 
> The meaning of each bit can be seen in the comment describing
> LVTS_MONINTST in the IRQ handler.
> 
> Fixes: f5f633b18234 ("thermal/drivers/mediatek: Add the Low Voltage Thermal Sensor driver")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>


Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>