linux-kernel - Re: [PATCH v2 5/5] misc: add ge-addon-connector driver

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Date: Fri, 10 May 2024 12:03:57 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
	Derek Kiernan <derek.kiernan@....com>,
	Dragan Cvetic <dragan.cvetic@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Saravana Kannan <saravanak@...gle.com>,
	Paul Kocialkowski <contact@...lk.fr>,
	Hervé Codina <herve.codina@...tlin.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: Re: [PATCH v2 5/5] misc: add ge-addon-connector driver

On Fri, May 10, 2024 at 12:54:17PM +0200, Luca Ceresoli wrote:
> > > +static int sunh_conn_handle_event(struct sunh_conn *conn, bool plugged)
> > > +{
> > > +	int err;
> > > +
> > > +	if (plugged == conn->plugged)
> > > +		return 0;
> > > +
> > > +	dev_info(conn->dev, "%s\n", plugged ? "connected" : "disconnected");  
> > 
> > Please remove debugging code from stuff you want to see merged.
> > 
> > Same for all dev_info() calls here, when drivers work properly, they are
> > quiet.
> 
> While agree for other dev_info() calls, this one seems quite similar in
> principle to the link up/down messages that get logged by the MII code
> at [0]:
> 
>   [347229.872315] asix 1-1.3.2:1.0 enx000cf616fecb: link up, 100Mbps,
>   full-duplex, lpa 0xC5E1 [347229.920449] asix 1-1.3.2:1.0 enx000cf616fecb: link down
> 
> In my case it is logging that a removable part of the hardware has been
> added or removed, which appears useful. Do you think it make sense in
> this scenario?

Nope, sorry, again, when drivers are working properly, they should be
quiet otherwise they just fill up the log with unneeded messages.

thanks,

greg k-h