linux-kernel - Re: [PATCH] i2c: omap: Fix rumtime PM imbalance on error

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Message-ID: <30ed0224-fba3-75c6-c4aa-e2d0724c291b@ti.com>
Date:   Wed, 7 Apr 2021 13:15:32 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Tony Lindgren <tony@...mide.com>
CC:     Dinghao Liu <dinghao.liu@....edu.cn>, <kjlu@....edu>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        <linux-omap@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] i2c: omap: Fix rumtime PM imbalance on error

Hi,

On 4/7/21 11:57 AM, Tony Lindgren wrote:
> * Vignesh Raghavendra <vigneshr@...com> [210407 06:20]:
>> Do we need a Fixes: tag to enable stable backports?
> 
> Well pm_runtime_resume_and_get() was introduced quite recently, and
> we already handle the error and bail out. And likely after an error
> not much works anyways :) So it might be better to add just a stable
> tag v5.10 and later as further backports are not likely needed.
> 

Agree this is not a critical patch for backport. But I do know that
pm_runtime_resume_and_get() is backported to v5.4 stable kernel at least
[1]. So stable tag with v5.4 perhaps would probably help tools looking
for patches to backport.

[1] https://lkml.org/lkml/2020/12/28/588

> Naturally nothing stopping doing separate backports if really needed
> though.
> 
> Regards,
> 
> Tony
> 

Regards
Vignesh