linux-kernel - Re: [PATCH net-next v2 8/8] net: pse-pd: Add PD692x0 PSE controller driver

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Message-ID: <20231206094136.4e0b10eb@kmaincent-XPS-13-7390>
Date:   Wed, 6 Dec 2023 09:41:36 +0100
From:   Köry Maincent <kory.maincent@...tlin.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Russ Weight <russ.weight@...ux.dev>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
        Dent Project <dentproject@...uxfoundation.org>
Subject: Re: [PATCH net-next v2 8/8] net: pse-pd: Add PD692x0 PSE controller
 driver

On Tue, 5 Dec 2023 19:01:47 +0100
Christophe JAILLET <christophe.jaillet@...adoo.fr> wrote:

> Le 04/12/2023 à 23:16, Köry Maincent a écrit :
> > Thanks for your review!
> > 
> > On Sun, 3 Dec 2023 22:11:46 +0100
> > Christophe JAILLET <christophe.jaillet@...adoo.fr> wrote:
> >   
> >>> +
> >>> +	fwl = firmware_upload_register(THIS_MODULE, dev, dev_name(dev),
> >>> +				       &pd692x0_fw_ops, priv);
> >>> +	if (IS_ERR(fwl)) {
> >>> +		dev_err(dev, "Failed to register to the Firmware Upload
> >>> API\n");
> >>> +		ret = PTR_ERR(fwl);
> >>> +		return ret;  
> >>
> >> Nit: return dev_err_probe()?  
> > 
> > No EPROBE_DEFER error can be catch from firmware_upload_register()
> > function, so it's not needed.  
> 
> Hi,
> 
> up to you to take it or not, but dev_err_probe() also logs the error 
> code in a human readable way and it saves a few lines of code.
> 
> If I remember correctly, it also saves some bytes in the .o file.

Oh, didn't know that.

> Other than that, it is a matter of style.

After some thought it seems indeed better, I will move on to dev_err_probe() in
next version.

Thanks,
Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com