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Fri, 11 Jul 2025 13:39:38 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: T7b8765a73c29189d Date: Fri, 11 Jul 2025 19:39:17 +0200 From: "Arnd Bergmann" To: "Shivendra Pratap" , "Rob Herring" Cc: "Bartosz Golaszewski" , "Bjorn Andersson" , "Sebastian Reichel" , "Sudeep Holla" , "Souvik Chakravarty" , "Krzysztof Kozlowski" , "Conor Dooley" , "Andy Yan" , "Mark Rutland" , "Lorenzo Pieralisi" , "Olof Johansson" , "Konrad Dybcio" , cros-qcom-dts-watchers@chromium.org, "Vinod Koul" , "Catalin Marinas" , "Will Deacon" , "Florian Fainelli" , "Elliot Berman" , "Stephen Boyd" , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, =?UTF-8?Q?Andr=C3=A9_Draszik?= , "Alim Akhtar" , linux-samsung-soc@vger.kernel.org, "Wei Xu" , linux-rockchip@lists.infradead.org, "Baolin Wang" , "Sen Chu" , "Sean Wang" , "Macpaul Lin" , "AngeloGioacchino Del Regno" , "Ray Jui" , "Scott Branden" , bcm-kernel-feedback-list@broadcom.com, "Nicolas Ferre" , "Alexandre Belloni" , "Elliot Berman" , "Srinivas Kandagatla" Message-Id: In-Reply-To: <28f277af-9882-2c70-5156-123c95adc2ee@oss.qualcomm.com> References: <20250710-arm-psci-system_reset2-vendor-reboots-v10-0-b2d3b882be85@oss.qualcomm.com> <20250710-arm-psci-system_reset2-vendor-reboots-v10-2-b2d3b882be85@oss.qualcomm.com> <20250710224740.GA15385-robh@kernel.org> <454c8361-151e-42b3-adfc-d82d2af62299@app.fastmail.com> <28f277af-9882-2c70-5156-123c95adc2ee@oss.qualcomm.com> Subject: Re: [PATCH v10 02/10] dt-bindings: power: reset: Document reboot-mode cookie Content-Type: text/plain Content-Transfer-Encoding: 7bit On Fri, Jul 11, 2025, at 19:00, Shivendra Pratap wrote: > On 7/11/2025 8:14 PM, Arnd Bergmann wrote: >> On Fri, Jul 11, 2025, at 14:32, Shivendra Pratap wrote: >> >> The distinction between cookie and magic value may be relevant in the >> context of the psci specification, but for the Linux driver, this is >> really just a 64-bit magic number. > ok. then if i understand, this binding change for reboot-mode be dropped > and driver can internally handle the two 32 bit numbers? Yes, if you can easily keep it internal to the psci driver, that would work, or you could just change the callback type to take a 64-bit number and leave the interpretation up to the driver. Arnd