linux-kernel - Re: [PATCH v4 phy 02/16] phy: lynx-28g: refactor lane probing to lynx_28g_probe

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Message-ID: <20251113165646.bopsvjiipcslvokj@skbuf>
Date: Thu, 13 Nov 2025 18:56:46 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: Vinod Koul <vkoul@...nel.org>
Cc: linux-phy@...ts.infradead.org, Ioana Ciornei <ioana.ciornei@....com>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Josua Mayer <josua@...id-run.com>, linux-kernel@...r.kernel.org,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH v4 phy 02/16] phy: lynx-28g: refactor lane probing to
 lynx_28g_probe_lane()

On Thu, Nov 13, 2025 at 10:19:55PM +0530, Vinod Koul wrote:
> On 10-11-25, 11:22, Vladimir Oltean wrote:
> > diff --git a/drivers/phy/freescale/phy-fsl-lynx-28g.c b/drivers/phy/freescale/phy-fsl-lynx-28g.c
> > index c20d2636c5e9..901240bbcade 100644
> > --- a/drivers/phy/freescale/phy-fsl-lynx-28g.c
> > +++ b/drivers/phy/freescale/phy-fsl-lynx-28g.c
> > @@ -579,12 +579,33 @@ static struct phy *lynx_28g_xlate(struct device *dev,
> >  	return priv->lane[idx].phy;
> >  }
> >  
> > +static int lynx_28g_probe_lane(struct lynx_28g_priv *priv, int id,
> > +			       struct device_node *dn)
> > +{
> > +	struct lynx_28g_lane *lane = &priv->lane[id];
> > +	struct phy *phy;
> > +
> > +	memset(lane, 0, sizeof(*lane));
> 
> priv is kzalloc, so why memset here?

Great question, but this is a pattern that was pre-existing in the code,
and I don't like modifying code as I move it. I had to put a stop
somewhere (series is already 16 patch long). I can absolutely remove the
memset in part 2 once this one is merged.