netdev - Re: [PATCH] net: wwan: qcom_bam_dmux: Fix missing pm_runtime

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Message-ID: <lqj3jfaelgeecf5yynpjxza6h4eblhzumx6rif3lgivfqhb4nk@xeft7zplc2xb>
Date: Fri, 20 Sep 2024 13:48:15 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Jinjie Ruan <ruanjinjie@...wei.com>
Cc: stephan@...hold.net, loic.poulain@...aro.org, ryazanov.s.a@...il.com, 
	johannes@...solutions.net, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, 
	pabeni@...hat.com, netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] net: wwan: qcom_bam_dmux: Fix missing
 pm_runtime_disable()

On Fri, Sep 20, 2024 at 06:07:11PM GMT, Jinjie Ruan wrote:
> It's important to undo pm_runtime_use_autosuspend() with
> pm_runtime_dont_use_autosuspend() at driver exit time.
> 
> But the pm_runtime_disable() and pm_runtime_dont_use_autosuspend()
> is missing in the error path for bam_dmux_probe(). So add it.

Please use devm_pm_runtime_enable(), which handles autosuspend.

Also please provide details of the platform on which you have tested
your patch.

> 
> Fixes: 21a0ffd9b38c ("net: wwan: Add Qualcomm BAM-DMUX WWAN network driver")
> Signed-off-by: Jinjie Ruan <ruanjinjie@...wei.com>
> ---
>  drivers/net/wwan/qcom_bam_dmux.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)
> 

-- 
With best wishes
Dmitry