linux-kernel - Re: [PATCH 2/6] net: ravb: Use pm_runtime_resume_and

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Message-ID: <de5891bc-63ab-aa57-01de-510e5d53eb1b@omp.ru>
Date:   Mon, 27 Nov 2023 19:47:11 +0300
From:   Sergey Shtylyov <s.shtylyov@....ru>
To:     Claudiu <claudiu.beznea@...on.dev>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <richardcochran@...il.com>, <p.zabel@...gutronix.de>,
        <yoshihiro.shimoda.uh@...esas.com>, <geert+renesas@...der.be>,
        <wsa+renesas@...g-engineering.com>, <robh@...nel.org>,
        <biju.das.jz@...renesas.com>,
        <prabhakar.mahadev-lad.rj@...renesas.com>,
        <mitsuhiro.kimura.kc@...esas.com>, <masaru.nagai.vx@...esas.com>
CC:     <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH 2/6] net: ravb: Use pm_runtime_resume_and_get()

On 11/27/23 12:04 PM, Claudiu wrote:

> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> pm_runtime_get_sync() may return an error. In case it returns with an error
> dev->power.usage_count needs to be decremented. pm_runtime_resume_and_get()
> takes care of this. Thus use it.
> 
> Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>

[...]
> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
> index 50c4c79be035..cd3474168452 100644
> --- a/drivers/net/ethernet/renesas/ravb_main.c
> +++ b/drivers/net/ethernet/renesas/ravb_main.c
[...]
> @@ -2876,6 +2878,7 @@ static int ravb_probe(struct platform_device *pdev)
>  	clk_disable_unprepare(priv->refclk);
>  out_release:
>  	pm_runtime_put(&pdev->dev);
> +out_runtime_disable:

   I'd suggest a shorter name, like out_rpm_disable...

>  	pm_runtime_disable(&pdev->dev);
>  	reset_control_assert(rstc);
>  out_free_netdev:
> 

[...]

MBR, Sergey