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([2a05:6e02:1041:c10:7d20:e20f:a77f:4ef7]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48de0ac3970sm3930449f8f.37.2026.10.13.02.33.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Oct 2026 02:33:44 -0700 (PDT) Message-ID: Date: Tue, 13 Oct 2026 11:33:43 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] thermal: ti-soc-thermal: Fix the return value in ti_bandgap_get_sensor_data() kernel-doc To: Karl Mehltretter , Eduardo Valentin , Keerthy , "Rafael J. Wysocki" , Daniel Lezcano Cc: Zhang Rui , Lukasz Luba , linux-pm@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260912062252.42762-1-kmehltretter@gmail.com> Content-Language: en-US From: Daniel Lezcano In-Reply-To: <20260912062252.42762-1-kmehltretter@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDEzMDAzNyBTYWx0ZWRfXzZzsqXvFoL/G t/h0Jm7vDDSD5X0gXITVQcaTl5Itn07vm5bbmYNky3ojyurT25VnrOust9K8b2sthCqSk2l2yhC mNVU/48VeT61dhXmz/hQbdWBaU27lVYWBJNK4fAj9Lc9/Jlrmqad7CWmzz4skZLVR/K4pw0OxNW b1rtifBcYOvy1w66/+mkR3sw/hSEK7kao+KkazgkL8DSD6WbNzP73APgXO+zvcCeTFpuzHgHME8 ffQuQj6iQAZMoR64aJFqyiJlkEFzLucFH0FghOvKeSF7c77uhv0onU6APoW70nzSZtvgqMUf4ek RvRZK0IMEbjRCXQAQ4FwxyZbbbp1LWSts6l8lAjTheW+tYUF7KUzX4ZWxjM+FOnxtyGpo0ZxE2a q3FDDVcbGXoJyjvL1QMCtHn/ChpE76SpUNxRLnrujrKluHfQjH1AM3xIhAhGvuWpoVvp7/7G/a+ 78h55BiY5+ESNTNyCAQ== X-Authority-Analysis: v=2.4 cv=VPVIDNPX c=1 sm=1 tr=0 ts=6acdfafb cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=pGLkceISAAAA:8 a=Gq36PuiKL5ZAMQJggHwA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: IyWntzzQ3DnxCZLeRV0NgnNGfCrh5vRB X-Proofpoint-Spam-Info: AW1haW4tMjYxMDEzMDAzNyBTYWx0ZWRfX0/8QAQOKOyh7 Wm+DcoFz4Q7xvPUFga0d0j42FdDklxEgCgxMqE1zmiI7ax2kZK6UHD/UO0pnjcWFusINehFfU// +zk+4ITLzTxWqTPsE+UVrHd1vefCFp8= X-Proofpoint-GUID: IyWntzzQ3DnxCZLeRV0NgnNGfCrh5vRB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610130037 On 9/12/26 08:22, Karl Mehltretter wrote: > ti_bandgap_get_sensor_data() returns an ERR_PTR() if the bandgap > instance or sensor ID is invalid. Otherwise it returns the stored sensor > data, which can be NULL if no data has been set or the stored value has > been cleared. > > This mismatch was already present in omap_bandgap_get_sensor_data() when > the driver was introduced in staging. > > Document the validation errors while retaining NULL as a possible stored > value. > > Fixes: 8feaf0ce1a04 ("staging: OMAP4+: thermal: introduce bandgap temperature sensor") > Assisted-by: LLM > Signed-off-by: Karl Mehltretter > --- Applied, thanks