linux-kernel - Re: [PATCH 1/6] net: ravb: Check return value of reset_control

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Message-ID: <b23a5e0c-cc55-b7b2-a6dc-1eac0a674814@omp.ru>
Date:   Mon, 27 Nov 2023 19:39:24 +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 1/6] net: ravb: Check return value of
 reset_control_deassert()

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

> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> reset_control_deassert() could return an error. Some devices cannot work
> if reset signal de-assert operation fails.

   Well, I think all devices can't work if the reset line is connected at all. :-)

> To avoid this check the return
> code of reset_control_deassert() in ravb_probe() and take proper action.

   I'd also mention moving of the free_nedev() call...

> Fixes: 0d13a1a464a0 ("ravb: Add reset support")
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

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

[...]

MBR, Sergey