From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Rob Herring <robh@kernel.org>
Cc: "Sebastian Reichel" <sre@kernel.org>,
"Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Srinivas Kandagatla" <srinivas.kandagatla@linaro.org>,
kernel@pengutronix.de, linux-kernel@vger.kernel.org,
"Liam Girdwood" <lgirdwood@gmail.com>,
"Mark Brown" <broonie@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
"Daniel Lezcano" <daniel.lezcano@linaro.org>,
"Zhang Rui" <rui.zhang@intel.com>,
"Lukasz Luba" <lukasz.luba@arm.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
"Søren Andersen" <san@skov.dk>
Subject: Re: [RFC PATCH v1 1/7] dt-bindings: power: reset: add generic PSCR binding trackers
Date: Fri, 19 Jan 2024 18:54:05 +0100 [thread overview]
Message-ID: <20240119175405.GA163482@pengutronix.de> (raw)
In-Reply-To: <20240119172838.GA460212-robh@kernel.org>
On Fri, Jan 19, 2024 at 11:28:38AM -0600, Rob Herring wrote:
> On Fri, Jan 19, 2024 at 02:25:15PM +0100, Oleksij Rempel wrote:
> > Add binding for Power State Change Reason (PSCR) subsystem
>
> Why?
>
> How is this different from the reboot reason binding?
I was not able to find "reboot reason", you probably refer to "reboot
mode".
Reboot Mode:
Purpose: Dictates how the system should reboot (e.g., normal, recovery,
bootloader).
Usage: Provides instructions for the next boot mode.
Scenario: Utilized in planned reboots or software-triggered reset scenarios.
PSCR (Power State Change Reasons):
Purpose: Logs the reason behind a power state change (e.g., voltage drop,
over-temperature).
Usage: Used for rapid logging and post-event analysis, potentially informing
automatic decision-making in subsequent boots.
Scenario: Critical in abrupt power-down situations where immediate, detailed
decision-making is not possible.
Regards,
Oleksij
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next prev parent reply other threads:[~2024-01-19 17:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-19 13:25 [RFC PATCH v1 0/7] Introduction of PSCR Framework and Related Components Oleksij Rempel
2024-01-19 13:25 ` [RFC PATCH v1 1/7] dt-bindings: power: reset: add generic PSCR binding trackers Oleksij Rempel
2024-01-19 14:50 ` Rob Herring
2024-01-19 17:28 ` Rob Herring
2024-01-19 17:54 ` Oleksij Rempel [this message]
2024-01-19 13:25 ` [RFC PATCH v1 2/7] power: reset: Introduce PSCR Tracking Framework for Non-Volatile Storage Oleksij Rempel
2024-01-19 13:25 ` [RFC PATCH v1 3/7] dt-bindings: power: reset: add bindings for NVMEM hardware storing PSCR Data Oleksij Rempel
2024-01-19 14:50 ` Rob Herring
2024-01-19 13:25 ` [RFC PATCH v1 4/7] nvmem: provide consumer access to cell size metrics Oleksij Rempel
2024-01-19 13:25 ` [RFC PATCH v1 5/7] power: reset: add PSCR NVMEM Driver for Storing Power State Change Reasons Oleksij Rempel
2024-01-19 13:25 ` [RFC PATCH v1 6/7] regulator: set Power State Change Reason before hw_protection_shutdown() Oleksij Rempel
2024-01-19 14:07 ` Mark Brown
2024-01-19 13:25 ` [RFC PATCH v1 7/7] thermal: core: " Oleksij Rempel
2024-01-19 18:34 ` Rafael J. Wysocki
2024-01-19 19:34 ` Oleksij Rempel
2024-01-19 20:11 ` Rafael J. Wysocki
2024-01-19 23:19 ` [RFC PATCH v1 0/7] Introduction of PSCR Framework and Related Components Sebastian Reichel
2024-01-21 6:56 ` Oleksij Rempel
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