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Wed, 15 Jul 2026 05:32:47 -0700 (PDT) X-Received: by 2002:a17:90b:3c81:b0:37f:9ce1:cdab with SMTP id 98e67ed59e1d1-38dc776da74mr16463948a91.33.1784118767258; Wed, 15 Jul 2026 05:32:47 -0700 (PDT) Received: from [10.219.57.229] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3140e5306afsm1515390eec.9.2026.07.15.05.32.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 15 Jul 2026 05:32:46 -0700 (PDT) Message-ID: <5aad793e-2dff-4727-985d-5615a204f309@oss.qualcomm.com> Date: Wed, 15 Jul 2026 18:02:35 +0530 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 v23 02/13] power: reset: reboot-mode: Support up to 3 magic values per mode To: Bartosz Golaszewski Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Florian Fainelli , Krzysztof Kozlowski , Dmitry Baryshkov , Mukesh Ojha , Andre Draszik , Greg Kroah-Hartman , Kathiravan Thirumoorthy , mfd@lists.linux.dev, Srinivas Kandagatla , Sebastian Reichel , Mark Rutland , Lorenzo Pieralisi , "Rafael J. Wysocki" , Daniel Lezcano , Christian Loehle , Ulf Hansson , Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Arnd Bergmann , Souvik Chakravarty , Andy Yan , Matthias Brugger , John Stultz , Moritz Fischer , Sudeep Holla References: <20260714-arm-psci-system_reset2-vendor-reboots-v23-0-e7453c548c21@oss.qualcomm.com> <20260714-arm-psci-system_reset2-vendor-reboots-v23-2-e7453c548c21@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-Proofpoint-Spam-Info: AW1haW4tMjYwNzE1MDEyNCBTYWx0ZWRfX3jKXNa8Y6Ojk 1rr9uht/0NI2ZtgJXDYld8wJ5Yp/cSbyXo0xQy/A62cyjBm899iRbY/gvP05vFUZpwJTYNtTqPm AJmXx0CKMlbxBeBE4NUHMHnMdLbXTdQ= X-Authority-Analysis: v=2.4 cv=cuGrVV4i c=1 sm=1 tr=0 ts=6a577df0 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=1ebYhdgdrGDEZLiK4_QA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-ORIG-GUID: BBvAmCHPs8DcMhBxaoBN5ItW6_6HPKSk X-Proofpoint-GUID: BBvAmCHPs8DcMhBxaoBN5ItW6_6HPKSk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE1MDEyNCBTYWx0ZWRfX5pLwztG21AjR LlknDmqo2ZIfQadUI7Xcdf/zOHZTRpS3gNz0mKMKm8AmEvLmGd3IGGvPhMWMZxSCWGD0IdP5wMB 3N0bAvJxx6H4mOG13X0iqtLw9s3WYkGCcotyE3NlK7roxOOiGFX/gf/KZEex/6FQ/NqXOsWWIWu a+JRlmydqZdtCmSDdjL2M/pxb2ihsxArEu6h4HcUYB6p33kHGWWyqsNUyoDUYOG0Y8FtB0rG4XW aDKn5Vq+00KBtQo+3xpjhKJ+jrFHoeCNy7o+ht/Jsm49Res1Hltklg9clVaS6AXqD1Clt2MJYQD E6XhQZ56O9fsTspLxZEgmR+NH48+W7fg6PD8aZNrj9U8IMp8ImH5gVT7Rb0lz4q2McSU3zv/2bl RUTfL/dxL3nipCo7yuIGY7DRAFJCrppiFsby9Kfh8ja/I53COkfaRnW69F7NJUc4r95BLCYV282 5wysTAD4ki0whssfIrg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-15_02,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 priorityscore=1501 spamscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607150124 On 15-07-2026 17:56, Bartosz Golaszewski wrote: > On Tue, 14 Jul 2026 19:16:30 +0200, Shivendra Pratap > said: >> ARM PSCI vendor-specific resets, require a 32-bit reset_type and a 64-bit >> cookie as arguments. This cannot be implemented via the reboot-mode >> framework, which supports a single 32-bit argument as magic value. >> >> Extend the reboot-mode framework to support up to three 32-bit arguments >> as magic, per reboot-mode. >> >> Signed-off-by: Shivendra Pratap >> --- >> drivers/power/reset/nvmem-reboot-mode.c | 10 ++++---- >> drivers/power/reset/qcom-pon.c | 8 ++++--- >> drivers/power/reset/reboot-mode.c | 41 +++++++++++++++++++++----------- >> drivers/power/reset/syscon-reboot-mode.c | 8 ++++--- >> include/linux/reboot-mode.h | 4 +++- > > Could we avoid having to modify multiple files here by just providing a new > function: > > nvmem_reboot_mode_write_full() > > with the prototype you proposed and making the existing > nvmem_reboot_mode_write() a thin wrapper around it? sure. will update it. thanks, Shivendra