linux-kernel - Re: [PATCH v2 01/15] net: rnpgbe: Add build support for rnpgbe

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Message-ID: <20250722112909.GF2459@horms.kernel.org>
Date: Tue, 22 Jul 2025 12:29:09 +0100
From: Simon Horman <horms@...nel.org>
To: Dong Yibo <dong100@...se.com>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, corbet@....net,
	gur.stavi@...wei.com, maddy@...ux.ibm.com, mpe@...erman.id.au,
	danishanwar@...com, lee@...ger.us, gongfan1@...wei.com,
	lorenzo@...nel.org, geert+renesas@...der.be,
	Parthiban.Veerasooran@...rochip.com, lukas.bulwahn@...hat.com,
	alexanderduyck@...com, richardcochran@...il.com,
	netdev@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/15] net: rnpgbe: Add build support for rnpgbe

On Mon, Jul 21, 2025 at 07:32:24PM +0800, Dong Yibo wrote:
> Add build options and doc for mucse.
> Initialize pci device access for MUCSE devices.
> 
> Signed-off-by: Dong Yibo <dong100@...se.com>

...

> diff --git a/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c
> new file mode 100644
> index 000000000000..13b49875006b
> --- /dev/null
> +++ b/drivers/net/ethernet/mucse/rnpgbe/rnpgbe_main.c
> @@ -0,0 +1,226 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/* Copyright(c) 2020 - 2025 Mucse Corporation. */
> +
> +#include <linux/types.h>
> +#include <linux/module.h>
> +#include <linux/pci.h>
> +#include <linux/netdevice.h>
> +#include <linux/string.h>
> +#include <linux/etherdevice.h>
> +
> +#include "rnpgbe.h"
> +
> +char rnpgbe_driver_name[] = "rnpgbe";

At least with (only) this patch applied, rnpgbe_driver_name
appears to only be used in this file. So it should be static.

Flagged by Sparse.

Please make sure that when each patch in the series is applied in turn,
no new Sparse warnings are introduced. Likewise for build errors.
And ideally warnings for W=1 builds.

...