linux-kernel - Re: [PATCH v3] net: ethernet: mtk_eth_soc: fix mtu warning

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Message-ID: <20200728155904.GT1551@shell.armlinux.org.uk>
Date:   Tue, 28 Jul 2020 16:59:04 +0100
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Frank Wunderlich <frank-w@...lic-files.de>
Cc:     linux-mediatek@...ts.infradead.org,
        Landen Chao <landen.chao@...iatek.com>, netdev@...r.kernel.org,
        Sean Wang <sean.wang@...iatek.com>,
        linux-kernel@...r.kernel.org, Mark Lee <Mark-MC.Lee@...iatek.com>,
        René van Dorst <opensource@...rst.com>,
        John Crispin <john@...ozen.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        linux-arm-kernel@...ts.infradead.org, Felix Fietkau <nbd@....name>
Subject: Re: [PATCH v3] net: ethernet: mtk_eth_soc: fix mtu warning

On Tue, Jul 28, 2020 at 02:27:43PM +0200, Frank Wunderlich wrote:
> From: Landen Chao <landen.chao@...iatek.com>
> 
> in recent Kernel-Versions there are warnings about incorrect MTU-Size
> like these:

Can the above also be fixed for incorrect capitalisation and improper
hyphernation please?

Thanks.

> 
> eth0: mtu greater than device maximum
> mtk_soc_eth 1b100000.ethernet eth0: error -22 setting MTU to include DSA overhead
> 
> Fixes: bfcb813203e6 ("net: dsa: configure the MTU for switch ports")
> Fixes: 72579e14a1d3 ("net: dsa: don't fail to probe if we couldn't set the MTU")
> Fixes: 7a4c53bee332 ("net: report invalid mtu value via netlink extack")
> Signed-off-by: René van Dorst <opensource@...rst.com>
> Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
> ---
>  drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> index 85735d32ecb0..a1c45b39a230 100644
> --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
> @@ -2891,6 +2891,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
>  	eth->netdev[id]->irq = eth->irq[0];
>  	eth->netdev[id]->dev.of_node = np;
> 
> +	eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN;
> +
>  	return 0;
> 
>  free_netdev:
> --
> 2.25.1
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

-- 
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