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Fri, 08 May 2026 03:07:19 -0700 (PDT) Received: from hu-priyjain-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-83967dbf7d2sm15876379b3a.49.2026.05.08.03.07.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 03:07:18 -0700 (PDT) From: Priyansh Jain To: Amit Kucheria , Thara Gopinath , "Rafael J . Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba Cc: linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, manaf.pallikunhi@oss.qualcomm.com, Priyansh Jain Subject: [PATCH v2 2/2] thermal: qcom: tsens: widen temperature limits to match hardware range Date: Fri, 8 May 2026 15:37:00 +0530 Message-ID: <20260508100700.772985-3-priyansh.jain@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260508100700.772985-1-priyansh.jain@oss.qualcomm.com> References: <20260508100700.772985-1-priyansh.jain@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA4MDEwNCBTYWx0ZWRfXzJpKvRZ4H7VK oR1OOc/9sbcQSHQddQFZ3H1pgKUSUmrPgjYyrBFCYxMLDT/aPoohe0foz6egg+DTiYQnzWb1Kdm IcPPqJTjp4trmCCn5YYSS2fSUNe3HpOZpJUzWDS7C8kTROZ+b5PCiKuLE2vjHTlAmORDj5ZfUpL S56y1Ir/GfTv232PBy4J8Nj9TZnvpE/T2Lcu1sYWALWvINxZ1Wz7c/yPHLp3u75zo3CRQ0+Zv+2 S/hkLevY/epIxDhlgfDWVmLnregHS6qtK0ddmwm0TYXMRUb+gGvWGCDg2LG27iWOZjVXasBeZek Ms//8Ap/h2og/KqS1ls2YPom1cIe6U2MZhznUvihI9hUBsHKjD94UDjD0bjtORj3wMts/uQvr9k A776LaM31Gp1g054OimDz/xjwnB6UZrDChuwirvtrttEkK/0L7Q3JxPJlpJXpUU5H6Kx4Be0eyK wgVTxMfD0QiuzvQMMeg== X-Proofpoint-GUID: bIXm7GDLT-vuqNx1798jdqyva30etd9O X-Proofpoint-ORIG-GUID: bIXm7GDLT-vuqNx1798jdqyva30etd9O X-Authority-Analysis: v=2.4 cv=NKblPU6g c=1 sm=1 tr=0 ts=69fdb5d8 cx=c_pps a=Oh5Dbbf/trHjhBongsHeRQ==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=7FrdJh-Z1z6zKSyd9LYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=_Vgx9l1VpLgwpw_dHYaR:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-07_02,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 spamscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 phishscore=0 priorityscore=1501 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605080104 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 --- drivers/thermal/qcom/tsens-v2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c index d39d3a2923a3..7e967d47aafe 100644 --- a/drivers/thermal/qcom/tsens-v2.c +++ b/drivers/thermal/qcom/tsens-v2.c @@ -54,8 +54,8 @@ static struct tsens_features tsens_v2_feat = { .adc = 0, .srot_split = 1, .max_sensors = 16, - .trip_min_temp = -40000, - .trip_max_temp = 120000, + .trip_min_temp = -204000, + .trip_max_temp = 204000, .valid_bit = BIT(21), .last_temp_resolution = 11, }; -- 2.43.0