linux-kernel - Re: [PATCH v3 1/6] firmware: arm_scmi: imx: Add documentation for MISC_BOARD

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Message-ID: <20250831081541.GA17728@nxa18884-linux.ap.freescale.net>
Date: Sun, 31 Aug 2025 16:15:41 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Sudeep Holla <sudeep.holla@....com>
Cc: Peng Fan <peng.fan@....com>,
	Cristian Marussi <cristian.marussi@....com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, arm-scmi@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/6] firmware: arm_scmi: imx: Add documentation for
 MISC_BOARD_INFO

On Fri, Aug 29, 2025 at 11:43:41AM +0100, Sudeep Holla wrote:
>On Wed, Aug 27, 2025 at 12:59:13PM +0800, Peng Fan wrote:
>> System Manager Firmware supports getting board information, add
>> documentation for this API
>
>s/API/MISC_BOARD_INFO command/
>

Fix in V4.

>> 
>> +protocol_id: 0x84
>> +
>> ++--------------------+---------------------------------------------------------+
>> +|Return values                                                                 |
>> ++--------------------+---------------------------------------------------------+
>> +|Name                |Description                                              |
>> ++--------------------+---------------------------------------------------------+
>> +|int32 status        |SUCCESS: config name return                              |
>> +|                    |NOT_SUPPORTED: name not available                        |
>> ++--------------------+---------------------------------------------------------+
>> +|uint32 attributes   |Board specific attributes reserved for future expansion  |
>> +|                    |without breaking backwards compatibility                 |
>
>Is 0 the expected value in this version of the spec as it is just reserved ?
>Please state the same explicitly here.

Yes. The SM firmware set it 0 by default.

I will add "The firmware set the value to 0 for now".

Thanks,
Peng

>
>-- 
>Regards,
>Sudeep