linux-kernel - Re: [PATCH v3 4/4] net: mtip: The L2 switch driver for imx287

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Message-ID: <d48796b3-636b-46d4-8e3b-74913d4f77ab@lunn.ch>
Date: Wed, 2 Apr 2025 19:06:37 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Lukasz Majewski <lukma@...x.de>
Cc: Andrew Lunn <andrew+netdev@...n.ch>, davem@...emloft.net,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Richard Cochran <richardcochran@...il.com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 4/4] net: mtip: The L2 switch driver for imx287

> +struct switch_enet_private *mtip_netdev_get_priv(const struct net_device *ndev)
> +{
> +	if (ndev->netdev_ops == &mtip_netdev_ops)
> +		return netdev_priv(ndev);
> +
> +	return NULL;
> +}

> +static bool mtip_port_dev_check(const struct net_device *ndev)
> +{
> +	if (!mtip_netdev_get_priv(ndev))
> +		return false;
> +
> +	return true;
> +}

This appears to be the only use of mtip_netdev_get_priv(). It does not
care what priv actually is. In my previous review i said i think you
can simply this. I still think that is true.

    Andrew