Re: [PATCH v2 2/2] thermal: qcom: tsens: widen temperature limits to match hardware range
From: Konrad Dybcio
Date: Fri May 08 2026 - 08:10:52 EST
On 5/8/26 12:07 PM, Priyansh Jain wrote:
> The TSENS v2 software driver currently clamps trip_min_temp and
> trip_max_temp to -40°C and 120°C respectively. However, the
> TSENS v2 hardware temperature threshold registers support a wider
> programmable range from -204°C to +204°C.
>
> On newer chipsets using TSENS v2, devices may legitimately operate
> beyond the existing software limits (for example, up to 130°C). When a
> trip temperature is programmed outside the software clamped range, it is
> constrained to 120°C on the upper end or -40°C on the lower end.
> If the actual temperature continues to exceed this clamped limit, the
> threshold is immediately violated again, which can result in a
> continuous interrupt storm.
>
> Expand the TSENS v2 software trip temperature limits to match the full
> hardware supported range (-204°C to +204°C). This avoids repeated
> threshold reprogramming and ensures correct trip handling on TSENS v2
> based platforms.
>
> Signed-off-by: Priyansh Jain <priyansh.jain@xxxxxxxxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Konrad