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Wed, 01 Apr 2026 23:15:41 -0700 (PDT) X-Received: by 2002:a05:6a00:ccf:b0:81f:3c34:fa83 with SMTP id d2e1a72fcca58-82ce8b39b7emr6362522b3a.57.1775110541169; Wed, 01 Apr 2026 23:15:41 -0700 (PDT) Received: from [10.219.57.134] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82cf9c3ce13sm1854075b3a.38.2026.04.01.23.15.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Apr 2026 23:15:40 -0700 (PDT) Message-ID: <043066aa-64ad-4b7c-8592-ca3074beb7fb@oss.qualcomm.com> Date: Thu, 2 Apr 2026 11:45:32 +0530 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v20 01/10] power: reset: reboot-mode: Remove devres based allocations To: Krzysztof Kozlowski , Lorenzo Pieralisi , Arnd Bergmann , Bjorn Andersson , Sebastian Reichel , Rob Herring , Souvik Chakravarty , Krzysztof Kozlowski , Andy Yan , Matthias Brugger , Mark Rutland , Conor Dooley , Konrad Dybcio , John Stultz , Moritz Fischer , Bartosz Golaszewski , Sudeep Holla Cc: Florian Fainelli , Dmitry Baryshkov , Mukesh Ojha , Andre Draszik , Kathiravan Thirumoorthy , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Srinivas Kandagatla References: <20260304-arm-psci-system_reset2-vendor-reboots-v20-0-cf7d346b8372@oss.qualcomm.com> <20260304-arm-psci-system_reset2-vendor-reboots-v20-1-cf7d346b8372@oss.qualcomm.com> Content-Language: en-US From: Shivendra Pratap In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=RYydyltv c=1 sm=1 tr=0 ts=69ce098e cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=8-yduQQsOBGYcPy-76YA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDA1MyBTYWx0ZWRfX5GjlWHbKkMNO AIS2BLoJqrgiSRQsb4bstJwEa+axJ6SYj8LaWEuytlp56og8LXvsj9azqNnegLXalNGQ+/+lRR2 RKlqR5eNm8RZgztEg2KReGpfArwZLbeo8iEL7Rup1sVcDRn2m1ZJM7zD65YQWXD7gTwRhjOjquj BUe0QyLcLMqSKsCz1P7ADcZmdfNXN0rBdDv5jlZJnBG6KnCUMEyqqWDIqO7oh1PrdM73NBrRd/9 jZ03QcVgi4ZN1XA2tgVRpXdDha0FP7b7YXHGnjbLF65vQUDTdfIcvNZyGNUdcanW44RMHOC6F1F IAXvJPVdYQUozFqPK9qap5fLgDDlwLVFEqeClBe5PZqgmNABm9B4I+UQgPBNogE+PeEf7G49QHU KXvmN1LFl8wIL9hK1r1UJRKgRG3XubsSTRJEVA0MYg6apZ8wevmoLYMv7geaFUXEhqRerM2xdQ7 Y7WRu42loSXrWZWCgDA== X-Proofpoint-ORIG-GUID: TvEJ8f-DawRLeHMUMDRuuGTNrhdUcBp3 X-Proofpoint-GUID: TvEJ8f-DawRLeHMUMDRuuGTNrhdUcBp3 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=2026-04-02_01,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 clxscore=1015 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020053 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260401_231601_405671_69CCE02A X-CRM114-Status: GOOD ( 15.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01-04-2026 20:49, Krzysztof Kozlowski wrote: > On 04/03/2026 19:03, Shivendra Pratap wrote: >> Devres APIs are intended for use in drivers, where the managed lifetime >> of resources is tied directly to the driver attach/detach cycle. In >> shared subsystem code, there is no guarantee that the subsystem >> functions will only be called after a driver has been attached, nor that >> they will not be referenced after the managed resources have been >> released during driver detach. >> >> To ensure correct lifetime handling, avoid using devres-based >> allocations in the reboot-mode and explicitly handle allocation and >> cleanup of resources. >> >> Fixes: 4fcd504edbf7 ("power: reset: add reboot mode driver") > > I don't think this is correct tag. > > That commit added code which was a driver, not subsystem level things. > Using devres, as you pointed out, in platform_driver is correct. sure. thanks. will remove the Fixes tag. thanks, Shivendra