linux-kernel - Re: [PATCH v2] hwmon: (pmbus_core) Check adapter PEC support

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Message-ID: <06ca395e-470c-6cf7-4745-1c895e7b7d21@roeck-us.net>
Date:   Wed, 1 Dec 2021 11:57:40 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     Jean Delvare <jdelvare@...e.com>,
        Madhava Reddy Siddareddygari <msiddare@...co.com>,
        linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] hwmon: (pmbus_core) Check adapter PEC support

Hi Paul,

On 12/1/21 7:58 AM, Paul Menzel wrote:
> Dear Guenter,
> 
> 
> Am 06.06.21 um 14:50 schrieb Guenter Roeck:
>> On Sat, Jun 05, 2021 at 07:27:02AM +0200, Paul Menzel wrote:
>>> From: Madhava Reddy Siddareddygari <msiddare@...co.com>
>>>
>>> Currently, for Packet Error Checking (PEC) only the controller
>>> is checked for support. This causes problems on the cisco-8000
>>> platform where a SMBUS transaction errors are observed. This is
>>> because PEC has to be enabled only if both controller and
>>> adapter support it.
>>>
>>> Added code to check PEC capability for adapter and enable it
>>> only if both controller and adapter supports PEC.
>>>
>>> Signed-off-by: Madhava Reddy Siddareddygari <msiddare@...co.com>
>>> [Upstream from SONiC https://github.com/Azure/sonic-linux-kernel/pull/215]
>>> Signed-off-by: Paul Menzel <pmenzel@...gen.mpg.de>
>>
>> Applied.
> 
> Thank you very much. Would it be alright, if I asked the stable series maintainers to backport this patch to the Linux 5.10 LTS series?
> 
That is not how it works. The stable maintainers will apply
a backport if you prepare one and send it to the stable
mailing list, but they won't do the work for you.

Having said that, if you want to provide such a backport,
sure, go ahead.

Guenter