linux-kernel - Re: [PATCH v6 07/11] misc: amd-sbi: Add support for mailbox error codes

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Message-ID: <c4410c12-c3ca-4298-8dc2-7484bd7f3b68@amd.com>
Date: Tue, 25 Mar 2025 18:05:45 +0530
From: "Gupta, Akshay" <Akshay.Gupta@....com>
To: Arnd Bergmann <arnd@...db.de>, linux-hwmon@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: Guenter Roeck <linux@...ck-us.net>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, shyam-sundar.s-k@....com,
 gautham.shenoy@....com, Mario Limonciello <mario.limonciello@....com>,
 naveenkrishna.chatradhi@....com, anand.umarji@....com
Subject: Re: [PATCH v6 07/11] misc: amd-sbi: Add support for mailbox error
 codes


On 3/24/2025 8:56 PM, Arnd Bergmann wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
>
>
> On Mon, Mar 24, 2025, at 15:58, Akshay Gupta wrote:
>> APML mailbox protocol returns additional error codes written by
>> SMU firmware in the out-bound register 0x37. These errors include,
>> invalid core, message not supported over platform and
>> others. This additional error codes can be used to provide more
>> details to user space.
>>
>> Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@....com>
>> Signed-off-by: Akshay Gupta <akshay.gupta@....com>
> This is an incompatible change to the uapi definition, which you
> should never do. Just merge it into the previous patch that
> adds the api in the first place.
>
>        Arnd
Thank you, will squash in previous patch.