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From: Shivendra Pratap <shivendra.pratap@oss.qualcomm.com>
To: Bartosz Golaszewski <brgl@kernel.org>
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 <florian.fainelli@broadcom.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
	Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>,
	Andre Draszik <andre.draszik@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Kathiravan Thirumoorthy
	<kathiravan.thirumoorthy@oss.qualcomm.com>,
	mfd@lists.linux.dev, Srinivas Kandagatla <srini@kernel.org>,
	Sebastian Reichel <sre@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Daniel Lezcano <daniel.lezcano@kernel.org>,
	Christian Loehle <christian.loehle@arm.com>,
	Ulf Hansson <ulfh@kernel.org>, Lee Jones <lee@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Souvik Chakravarty <Souvik.Chakravarty@arm.com>,
	Andy Yan <andy.yan@rock-chips.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	John Stultz <john.stultz@linaro.org>,
	Moritz Fischer <moritz.fischer@ettus.com>,
	Sudeep Holla <sudeep.holla@kernel.org>
Subject: Re: [PATCH v23 02/13] power: reset: reboot-mode: Support up to 3 magic values per mode
Date: Wed, 15 Jul 2026 18:02:35 +0530	[thread overview]
Message-ID: <5aad793e-2dff-4727-985d-5615a204f309@oss.qualcomm.com> (raw)
In-Reply-To: <CAMRc=McKp4WsOY-EQ21n2wbqCp5V0Lr1Cbub5geEhz-LZvVkZw@mail.gmail.com>



On 15-07-2026 17:56, Bartosz Golaszewski wrote:
> On Tue, 14 Jul 2026 19:16:30 +0200, Shivendra Pratap
> <shivendra.pratap@oss.qualcomm.com> 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 <shivendra.pratap@oss.qualcomm.com>
>> ---
>>   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


  reply	other threads:[~2026-07-15 12:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-14 17:16 [PATCH v23 00/13] Implement PSCI reboot mode driver for PSCI resets Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 01/13] power: reset: reboot-mode: Remove devres based allocations Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 02/13] power: reset: reboot-mode: Support up to 3 magic values per mode Shivendra Pratap
2026-07-15 12:26   ` Bartosz Golaszewski
2026-07-15 12:32     ` Shivendra Pratap [this message]
2026-07-14 17:16 ` [PATCH v23 03/13] power: reset: reboot-mode: Add support for predefined reboot modes Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 04/13] firmware: psci: Introduce command-based resets Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 05/13] mfd: psci-mfd: Add PSCI MFD driver for cpuidle-psci-domain cell Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 06/13] dt-bindings: arm: Document reboot mode magic Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 07/13] power: reset: Add psci-reboot-mode driver Shivendra Pratap
2026-07-15 13:10   ` Bartosz Golaszewski
2026-07-14 17:16 ` [PATCH v23 08/13] mfd: core: Add firmware-node support to MFD cells Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 09/13] mfd: psci-mfd: Add psci-reboot-mode child cell Shivendra Pratap
2026-07-15 13:14   ` Bartosz Golaszewski
2026-07-15 13:28     ` Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 10/13] arm64: dts: qcom: Add psci reboot-modes for kodiak boards Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 11/13] arm64: dts: qcom: Add psci reboot-modes for lemans boards Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 12/13] arm64: dts: qcom: Add psci reboot-modes for monaco boards Shivendra Pratap
2026-07-14 17:16 ` [PATCH v23 13/13] arm64: dts: qcom: Add psci reboot-modes for talos boards Shivendra Pratap
2026-07-15 12:27 ` [PATCH v23 00/13] Implement PSCI reboot mode driver for PSCI resets Bartosz Golaszewski

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